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Finding the best data center servers in 2026 involves balancing raw performance, scalability, and cost. The top pick, the Dell PowerEdge R740xd, offers a versatile mix of power and expandability, making it ideal for most enterprise environments. The HP ProLiant DL360 Gen 10 stands out for its security features, while the Dell PowerEdge R640 series delivers impressive density and efficiency. Buyers face tradeoffs between high-end specs for specific workloads and broader versatility for varied applications. Keep reading for a detailed breakdown of these options to find the best fit for your data needs.

13
compared
2
brands
512GB
max ram
Which data center server should you buy?
★ Top Pick
Dell PowerEdge R830 Server wit
Best Overall Performance and Expandability
Exceptional multi-processor performance for intensive workloads
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Mid-sized data centers or enterprise teams needing a scalable, dependable server with substantial storage.
Dell PowerEdge R740xd Server 2
Dual Xeon Gold processors for robust multitasking
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Mid-sized enterprises seeking efficient, scalable servers for demanding workloads at a lower cost.
Dell PowerEdge R640 Server wit
High-performance dual 36-core processors
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Small to medium data centers or organizations with moderate workload requirements on a budget.
Dell PowerEdge R640 Server
Reliable dual Xeon Gold processors
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Data centers requiring high core count and fast storage for enterprise applications.
Dell PowerEdge R640 Server 2.7
Powerful 36-core processor
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RAM — compared
Dell PowerEdge R830 Server wit512GB
Dell PowerEdge R640 Server wit256GB
Dell PowerEdge R640 Server 2.7256GB
Dell PowerEdge R640 Server 2x 256GB
Dell PowerEdge R720 Server wit192GB
Dell PowerEdge R640 SAS/NVMe S96GB
Dell PowerEdge R640 Server 3.5192GB
Pros & cons at a glance
Dell PowerEdge R830 Server wit
✓ Exceptional multi-processor performance for intensive workloads
✗ Higher power consumption due to high specs
Dell PowerEdge R740xd Server 2
✓ Dual Xeon Gold processors for robust multitasking
✗ No optical drive included
Dell PowerEdge R640 Server wit
✓ High-performance dual 36-core processors
✗ Limited warranty coverage on renewed units
Dell PowerEdge R640 Server
✓ Reliable dual Xeon Gold processors
✗ Limited RAM compared to higher-end models
Dell PowerEdge R640 Server 2.7
✓ Powerful 36-core processor
✗ Limited warranty coverage on renewed units
Dell PowerEdge R640 Server 2x
✓ High-performance dual processors suitable for demanding workloads
✗ No detailed information on storage capacity or expandability
Dell PowerEdge R720 Server wit
✓ Dual high-performance processors with 16 cores each
✗ Heavy and bulky, requiring dedicated rack space
Dell PowerEdge R640 10x SFF Ra
✓ High-performance dual Xeon processors
✗ No included bezel, requiring additional hardware for deployment
Dell PowerEdge R640 SAS/NVMe S
✓ High-performance 24-core processor for multi-threaded tasks
✗ No storage drives included, additional purchase needed
Dell PowerEdge R640 10-Bay 6-N
✓ High core count with 40 cores for parallel processing
✗ No drives included, requiring extra purchase
Dell PowerEdge R640 Server 3.5
✓ High-performance 16-core processor for intensive tasks
✗ Heavy at over 50 pounds, requiring assistance for installation
HP ProLiant DL360 Gen 10 Busin
✓ Dual Xeon Silver CPUs provide strong multitasking capabilities
✗ Installation and setup require technical expertise
Dell PowerEdge R730XD Server
✓ Powerful dual Xeon processors with 24 cores total
✗ Refurbished condition may impact long-term reliability

Complete the kit

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Key Takeaways

  • The Dell PowerEdge R640 series dominates for density and efficiency, making it suitable for space-constrained environments.
  • High-core CPU configurations like the Dell R830 excel in compute-heavy workloads but come at a higher cost and power consumption.
  • Reconditioned models offer significant savings but may lack the latest features or warranty coverage.
  • Workload-specific servers, such as those optimized for storage or virtualization, often feature specialized configurations.
  • Pricing varies widely, and investing in premium models is advisable for critical applications, but entry-level options still serve many needs well.
2
Dell PowerEdge R740xd Server 2
Best for Balanced Performance and Reliability
1
Dell PowerEdge R830 Server wit
Best Overall Performance and Expandability
3
Dell PowerEdge R640 Server wit
Best for Enterprise Workloads with Cost Efficiency

Our Top Best Data Center Servers Picks

Dell PowerEdge R830 Server with 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730P (Renewed)Dell PowerEdge R830 Server with 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730P (Renewed)Best Overall Performance and ExpandabilityProcessor: 4x E5-4650v4 2.20GHzCores: 56RAM: 512GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R740xd Server 2x Gold 6148 2.40GHz 40-Core 256GB RAM 24 Caddies (Renewed)Dell PowerEdge R740xd Server 2x Gold 6148 2.40GHz 40-Core 256GB RAM 24 Caddies (Renewed)Best for Balanced Performance and ReliabilityProcessors: 2x 2.40GHz Intel Xeon Gold 6148Cores: 40Memory: 256GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server with 2x Intel Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)Dell PowerEdge R640 Server with 2x Intel Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)Best for Enterprise Workloads with Cost EfficiencyProcessor: 2x Intel Gold 6150 2.70GHzCores: 36RAM: 256GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server, 2x Intel Xeon Gold 6126, 128GB RAM, 4x 1.2TB SAS HDD (Renewed)Dell PowerEdge R640 Server, 2x Intel Xeon Gold 6126, 128GB RAM, 4x 1.2TB SAS HDD (Renewed)Best for Budget-Conscious Demands and Power EfficiencyProcessors: 2x Intel Xeon Gold 6126 2.6GHzCores: 12Memory: 128GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB Rails (Renewed)Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB Rails (Renewed)Best for High-Performance Enterprise Storage and ProcessingProcessor: 2.70GHz 36-CoreRAM: 256GBSSD Storage: 2x 480GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)Best for Enterprise Performance and ExpandabilityProcessor: 2x Gold 6148 2.4GHzCores: 40RAM: 256GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)Best for Budget-Conscious Enterprise ComputingProcessor: 2x E5-2690 2.90GHzCores: 16-Core per processorRAM: 192GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbEDell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbEBest for High-Performance Virtualization and StorageProcessor: 2x Xeon Gold 6130 2.1GHz 16-CoreMemory: 256GB DDR4Hard Drive Bays: 2x 600GB 10K SAS HDDVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM +10x Caddies (Renewed)Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM +10x Caddies (Renewed)Best for Cost-Effective High-Core ComputeProcessor: 2.30GHz 24-coreRAM: 96GBCaddies: 10VIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)Best for NVMe Storage and Data ThroughputProcessor: 2x 2.00GHz Xeon Gold 6138 20-CoreCores: 40Memory: 64GB ECC DDR4VIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)Best Overall for Versatile Enterprise PerformanceProcessor: 3.50GHz 16-coreRAM: 192GBStorage: 9.6TBVIEW LATEST PRICESee Our Full Breakdown
HP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail KitHP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail KitBest for Enterprise Workloads with Easy DeploymentProcessor: 2 x Intel Xeon Silver 4210 10-Core 2.20GHzMemory: 64GB DDR4 RAMStorage: 7.68TB SSD (4 x 1.92TB)VIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R730XD Server – 2x Intel Xeon E5-2680 V3, 128GB RAM, 5x 1TB SAS HDD, H730 RAIDDell PowerEdge R730XD Server - 2x Intel Xeon E5-2680 V3, 128GB RAM, 5x 1TB SAS HDD, H730 RAIDBest for Heavy Storage and Demanding ApplicationsProcessor: 2x Intel Xeon E5-2680 V3 2.50GHzCores: 24 coresMemory: 128GB DDR4VIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
data center serverProcessorCoresRAM
Dell PowerEdge R830 Server wit4x E5-4650v4 2.20GHz56512GB
Dell PowerEdge R740xd Server 240
Dell PowerEdge R640 Server wit2x Intel Gold 6150 2.70GHz36256GB
Dell PowerEdge R640 Server12
Dell PowerEdge R640 Server 2.72.70GHz 36-Core256GB
Dell PowerEdge R640 Server 2x 2x Gold 6148 2.4GHz40256GB
Dell PowerEdge R720 Server wit2x E5-2690 2.90GHz16-Core per processor192GB
Dell PowerEdge R640 10x SFF Ra2x Xeon Gold 6130 2.1GHz 16-Core
Dell PowerEdge R640 SAS/NVMe S2.30GHz 24-core96GB
Dell PowerEdge R640 10-Bay 6-N2x 2.00GHz Xeon Gold 6138 20-Core40
Dell PowerEdge R640 Server 3.53.50GHz 16-core192GB
HP ProLiant DL360 Gen 10 Busin2 x Intel Xeon Silver 4210 10-Core 2.20GHz
Dell PowerEdge R730XD Server2x Intel Xeon E5-2680 V3 2.50GHz24 cores

More Details on Our Top Picks

  1. Dell PowerEdge R830 Server with 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730P (Renewed)

    Dell PowerEdge R830 Server with 4x E5-4650v4 2.20GHz, 56-Core, 512GB RAM, 16x 2TB Drives, 12G H730P (Renewed)

    Best Overall Performance and Expandability

    View Latest Price

    This model stands out for its exceptional processing power, thanks to four Intel Xeon E5-4650v4 processors, making it a top choice for demanding enterprise applications. Compared with the Dell R640 options, the R830’s higher core count and larger memory capacity provide superior multitasking and heavy-duty workload handling. Its extensive storage capacity with 16 drive bays ensures ample room for data expansion, but this also results in higher power consumption and a larger physical footprint. The renewed status offers cost savings while maintaining performance, though the absence of detailed user reviews means potential buyers should weigh reliability carefully. Overall, the R830 excels in environments where raw power and scalability are priorities.

    Pros:
    • Exceptional multi-processor performance for intensive workloads
    • Massive 512GB RAM capacity supports large-scale applications
    • 16 drive bays for extensive storage options
    • Renewed unit offers significant cost savings
    Cons:
    • Higher power consumption due to high specs
    • Lack of detailed user reviews may impact confidence

    Best for: Enterprises requiring high-performance servers with extensive expandability and multi-processor setups.

    Not ideal for: Small or medium businesses needing a compact, energy-efficient server for light workloads.

    • Processor:4x E5-4650v4 2.20GHz
    • Cores:56
    • RAM:512GB
    • Storage:16x 2TB drives
    • RAID Controller:12G H730P
    • Condition:Renewed
    Our verdict
    “This server is ideal for large-scale enterprise environments where maximum processing power and storage are essential.”
  2. Dell PowerEdge R740xd Server 2x Gold 6148 2.40GHz 40-Core 256GB RAM 24 Caddies (Renewed)

    Dell PowerEdge R740xd Server 2x Gold 6148 2.40GHz 40-Core 256GB RAM 24 Caddies (Renewed)

    Best for Balanced Performance and Reliability

    View Latest Price

    This server makes the most sense for data centers prioritizing a balance of processing power and storage capacity. Its dual Intel Xeon Gold 6148 processors deliver 40 cores, which outperforms single-processor options like the R640 with 2x Gold 6150, especially in multi-threaded workloads. The 256GB RAM and 24 drive caddies support demanding data operations, while redundant power supplies enhance uptime. Compared to the R830, it sacrifices some raw processing power for a more streamlined, rack-ready form factor. The absence of an optical drive and the renewed status suggest it’s best for organizations comfortable with limited warranty coverage. This pick suits those seeking reliable performance with a focus on storage density.

    Pros:
    • Dual Xeon Gold processors for robust multitasking
    • Large 256GB RAM for heavy applications
    • 24 drive bays for extensive storage
    • Redundant power supplies for high availability
    Cons:
    • No optical drive included
    • Heavy and large, requiring rack integration
    • Renewed product may have limited warranty

    Best for: Mid-sized data centers or enterprise teams needing a scalable, dependable server with substantial storage.

    Not ideal for: Small offices or startups with limited rack space and lower workload demands.

    • Processors:2x 2.40GHz Intel Xeon Gold 6148
    • Cores:40
    • Memory:256GB
    • Drive Bays:24
    • Power Supplies:2x 1100W Platinum
    • Condition:Renewed
    Our verdict
    “This server offers a reliable, high-capacity solution for data centers focused on storage and uptime.”
  3. Dell PowerEdge R640 Server with 2x Intel Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)

    Dell PowerEdge R640 Server with 2x Intel Gold 6150, 36-Core, 256GB RAM, 800GB SSD, 10.8TB Storage (Renewed)

    Best for Enterprise Workloads with Cost Efficiency

    View Latest Price

    This model is well-suited to organizations needing strong processing and flexible storage options without the premium price of new units. Its dual Intel Gold 6150 processors with 36 cores deliver substantial computing power for enterprise tasks. The 256GB RAM and combined SSD and HDD storage—including an 800GB SSD plus 10.8TB of additional space—support data-intensive applications. Compared with the R830, it offers a more compact form factor and lower power draw, ideal for space-constrained data centers. As a renewed product, it balances performance with cost savings, but limited warranty coverage may be a concern for mission-critical deployments. This server is particularly good for mid-tier enterprise environments that need reliable, scalable performance.

    Pros:
    • High-performance dual 36-core processors
    • Large 256GB RAM supports multitasking
    • Flexible storage options including SSD and HDD
    • Renewed unit offers affordability
    Cons:
    • Limited warranty coverage on renewed units
    • No detailed description of additional features
    • Potentially less future upgradeability

    Best for: Mid-sized enterprises seeking efficient, scalable servers for demanding workloads at a lower cost.

    Not ideal for: Organizations requiring the highest maximum processing cores or extensive storage expansion beyond the given specs.

    • Processor:2x Intel Gold 6150 2.70GHz
    • Cores:36
    • RAM:256GB
    • SSD Storage:800GB
    • Additional Storage:10.8TB
    • Condition:Renewed
    Our verdict
    “This server strikes a good balance between performance and value for enterprise environments with moderate expansion needs.”
  4. Dell PowerEdge R640 Server, 2x Intel Xeon Gold 6126, 128GB RAM, 4x 1.2TB SAS HDD (Renewed)

    Dell PowerEdge R640 Server, 2x Intel Xeon Gold 6126, 128GB RAM, 4x 1.2TB SAS HDD (Renewed)

    Best for Budget-Conscious Demands and Power Efficiency

    View Latest Price

    This server offers a solid foundation for demanding workloads at a more accessible price point. Its dual Intel Xeon Gold 6126 processors with 12 cores each provide reliable processing performance for typical data center tasks. The 128GB RAM supports multitasking, but it falls short of the higher memory capacities found in other models like the R830 or R740xd. The inclusion of four new 1.2TB SAS drives allows for decent storage capacity, though it may not suit those with extensive data needs. Compared with higher-core models, this unit emphasizes energy efficiency and cost-effectiveness, but limited RAM and storage flexibility could be drawbacks for larger-scale or future-proof deployments. Still, it’s a capable choice for smaller or budget-conscious environments.

    Pros:
    • Reliable dual Xeon Gold processors
    • Decent 128GB RAM for multitasking
    • Includes four new high-capacity SAS drives
    • Energy-efficient design
    Cons:
    • Limited RAM compared to higher-end models
    • No included operating system
    • Renewed product may have limited warranty

    Best for: Small to medium data centers or organizations with moderate workload requirements on a budget.

    Not ideal for: Heavy enterprise applications or data-intensive workloads requiring more RAM and storage expandability.

    • Processors:2x Intel Xeon Gold 6126 2.6GHz
    • Cores:12
    • Memory:128GB
    • Hard Drives:4x 1.2TB SAS
    • Form Factor:14th Gen 2.5″ SFF
    • Warranty:2-year on hard drives
    Our verdict
    “This server provides a cost-effective, energy-efficient option for smaller-scale or budget-conscious data centers.”
  5. Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB Rails (Renewed)

    Dell PowerEdge R640 Server 2.70GHz 36-Core 256GB RAM 2x 480GB SSD 6x 1.2TB Rails (Renewed)

    Best for High-Performance Enterprise Storage and Processing

    View Latest Price

    This configuration is tailored for enterprise environments where a combination of processing power and storage flexibility is needed. Its 36-core, 2.70GHz processor provides strong performance for multi-threaded applications. The 256GB RAM supports intensive multitasking, while the dual 480GB SSDs paired with additional HDDs enable fast data access and large storage pools. Compared with the R640 with 2x Gold 6150, this setup emphasizes raw processing speed and storage throughput. As a renewed unit, it offers a budget-friendly option, though limited warranty coverage should be considered. This server makes sense for organizations with demanding workloads that also value storage performance.

    Pros:
    • Powerful 36-core processor
    • Large 256GB RAM supports demanding workloads
    • Includes dual 480GB SSDs for fast storage
    • Renewed and affordable option
    Cons:
    • Limited warranty coverage on renewed units
    • No detailed info on upgrade paths
    • Requires technical expertise for optimal configuration

    Best for: Data centers requiring high core count and fast storage for enterprise applications.

    Not ideal for: Organizations seeking highly expandable or future-proofed servers beyond the given configuration.

    • Processor:2.70GHz 36-Core
    • RAM:256GB
    • SSD Storage:2x 480GB
    • Additional Storage:6x 1.2TB
    • Form Factor:Rackmount
    • Condition:Renewed
    Our verdict
    “This server suits enterprise workloads demanding high processing cores and fast storage, with cost efficiency in mind.”
  6. Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)

    Dell PowerEdge R640 Server 2x Gold 6148 2.4GHz 40-Core 256GB RAM + 8 Caddies (Renewed)

    Best for Enterprise Performance and Expandability

    View Latest Price

    This renewed Dell PowerEdge R640 stands out for its dual Intel Gold 6148 processors, offering a robust 40 cores that excel in demanding workloads like virtualization and data analytics. Compared to the R720 with its older Xeon E5-2690s, the R640 provides better scalability and modern features, but it lacks detailed storage specifications, which could be a concern for storage-intensive tasks. Its included 8 caddies and renewal status make it a reliable choice for large-scale deployments, though its high power consumption might be a drawback for energy-conscious data centers. The high core count and processor speed provide a clear advantage for compute-heavy environments, but the absence of explicit storage capacity details means buyers should verify compatibility for their needs.

    Pros:
    • High-performance dual processors suitable for demanding workloads
    • Includes 8 caddies and essential parts for immediate deployment
    • Renewed with assurance of reliability and quality standards
    Cons:
    • No detailed information on storage capacity or expandability
    • Higher power consumption due to high-end specs

    Best for: Large enterprise data centers needing high-performance, scalable compute nodes

    Not ideal for: Small offices or environments with strict power efficiency requirements

    • Processor:2x Gold 6148 2.4GHz
    • Cores:40
    • RAM:256GB
    • Caddies:8
    • Renewed:Yes
    • Power cords included:Yes
    Our verdict
    “This server is ideal for large-scale enterprise environments where raw compute power and expandability are priorities.”
  7. Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)

    Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)

    Best for Budget-Conscious Enterprise Computing

    View Latest Price

    Compared to the R640, the R720 offers a proven platform with dual E5-2690 CPUs delivering 16 cores each, making it a solid choice for demanding applications at a more affordable price, especially in environments where rack space and weight matter. Its 192GB RAM capacity supports intensive workloads, but its bulk size and weight—nearly 48 pounds—might limit deployment flexibility. The renewal status provides value, but potential buyers should verify warranty coverage, as renewal products can have limited warranties. Lacking detailed storage specs, it’s better suited for organizations with existing storage solutions or those willing to add drives separately. This model is better suited to data centers prioritizing cost-effective, high-core-count servers over the latest features.

    Pros:
    • Dual high-performance processors with 16 cores each
    • Large 192GB RAM supports demanding applications
    • Renewed product offering significant cost savings
    Cons:
    • Heavy and bulky, requiring dedicated rack space
    • Limited warranty details due to renewal status

    Best for: Organizations needing high-core counts on a budget for enterprise-level tasks

    Not ideal for: Small or remote offices with limited space or weight restrictions

    • Processor:2x E5-2690 2.90GHz
    • Cores:16-Core per processor
    • RAM:192GB
    • Weight:48.0 Pounds
    • Dimensions:36.0L x 24.0W x 8.0H Inches
    • Product Type:Server
    Our verdict
    “This server makes the most sense for budget-conscious data centers that need reliable, high-core performance without the latest bells and whistles.”
  8. Dell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE

    Dell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE

    Best for High-Performance Virtualization and Storage

    View Latest Price

    This R640 configuration excels in environments demanding a balance of compute, storage, and networking, with dual Xeon Gold 6130 processors and 256GB DDR4 RAM. Its flexible storage setup with two 600GB HDDs suits virtualization or storage workloads, and the 10GbE networking enhances data transfer speeds. When compared to the R640 with NVMe drives, this model’s HDDs may limit I/O performance for certain high-speed applications but provide a cost-effective storage solution. The complex setup and lack of a bezel might require technical expertise, yet its high core count and large memory capacity make it suitable for demanding enterprise tasks. Its higher power consumption is typical for such performance levels, making it less ideal for energy-sensitive environments.

    Pros:
    • High-performance dual Xeon processors
    • Large 256GB DDR4 RAM supports multitasking
    • Flexible storage with 2 HDD bays and high-speed networking
    Cons:
    • No included bezel, requiring additional hardware for deployment
    • Setup complexity can be a barrier for less technical users

    Best for: Data centers requiring versatile storage and high networking capacity for virtualization or HPC

    Not ideal for: Small-scale deployments or environments prioritizing energy efficiency over raw performance

    • Processor:2x Xeon Gold 6130 2.1GHz 16-Core
    • Memory:256GB DDR4
    • Hard Drive Bays:2x 600GB 10K SAS HDD
    • Network Interface:2x 10GbE
    • Power Supply:2x 750W
    • Form Factor:1U Rackmount
    Our verdict
    “This server is best for virtualization, storage, or HPC environments that need balanced compute, memory, and network performance.”
  9. Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM +10x Caddies (Renewed)

    Dell PowerEdge R640 SAS/NVMe Server 2.30GHz 24-Core 96GB RAM +10x Caddies (Renewed)

    Best for Cost-Effective High-Core Compute

    View Latest Price

    With a 2.30GHz 24-core processor and 96GB RAM, this R640 offers solid performance for enterprise and data center workloads, especially where multi-threaded processing is key. Its 10 caddies provide ample storage flexibility, suitable for environments needing custom configurations. Compared to the R640 with 256GB RAM, this model prioritizes core count over memory size, making it a good fit for moderately demanding tasks. Being renewed, it balances cost and reliability, but the lack of detailed storage specs requires buyers to verify compatibility. Its high core count enhances parallel processing, though the absence of included drives means additional investment for storage. This pick is ideal for organizations focusing on multi-core processing within a budget.

    Pros:
    • High-performance 24-core processor for multi-threaded tasks
    • Large 96GB RAM supports a variety of applications
    • Multiple caddies for flexible storage configurations
    Cons:
    • No storage drives included, additional purchase needed
    • Limited information on storage specs and software features

    Best for: Mid-sized data centers requiring high-core performance without maximum memory

    Not ideal for: Storage-heavy workloads needing large RAM capacity or pre-installed drives

    • Processor:2.30GHz 24-core
    • RAM:96GB
    • Caddies:10
    • Renewed:Yes
    • Power cords included:Yes
    Our verdict
    “This server is suited for workloads that benefit from high core counts and flexible storage options at a lower price point.”
  10. Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)

    Dell PowerEdge R640 10-Bay 6-NVMe Server 2.00GHz 40-Core 64GB RAM + Rails JBOD (Renewed)

    Best for NVMe Storage and Data Throughput

    View Latest Price

    Designed for high-speed data access, this R640 features dual Intel Xeon Gold 6138 processors with a total of 40 cores, paired with 64GB ECC RAM. Its 10 NVMe and SAS drive bays support ultra-fast storage solutions, ideal for applications requiring rapid data transfer like real-time analytics or high-frequency trading. Compared to the R640 with higher RAM, this model emphasizes storage performance over memory capacity, which suits specific enterprise workloads. The inclusion of rails and redundant power supplies adds to its reliability, yet it requires additional investment in drives to match its full potential. Its lower RAM makes it less suitable for memory-intensive tasks, but its NVMe focus offers significant speed advantages.

    Pros:
    • High core count with 40 cores for parallel processing
    • Multiple NVMe and SAS bays for high-speed storage
    • Redundant power supplies enhance uptime reliability
    Cons:
    • No drives included, requiring extra purchase
    • Limited RAM may hinder applications with high memory demands

    Best for: Data centers prioritizing storage speed and throughput for analytics or high-performance computing

    Not ideal for: Memory-intensive applications or environments with limited budget for additional drives

    • Processor:2x 2.00GHz Xeon Gold 6138 20-Core
    • Cores:40
    • Memory:64GB ECC DDR4
    • Drive Bays:10 (4x SAS, 6x NVMe)
    • Power Supplies:2x 1100W Platinum
    • Remote Management:iDRAC9 Express + DRAC9 14th Gen
    Our verdict
    “This server is a strong candidate for speed-focused workloads that require rapid storage access and high core counts.”
  11. Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)

    Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)

    Best Overall for Versatile Enterprise Performance

    View Latest Price

    This renewed Dell PowerEdge R640 excels in balancing performance and expandability, making it ideal for demanding data center tasks. Its 3.50GHz 16-core processor and 192GB of RAM outperform many comparable servers, including the HP ProLiant DL360 Gen 10, which offers less RAM at similar price points. However, the R640’s weight of over 50 pounds can complicate deployment, and its renewed condition may raise concerns about longevity and support. This model is perfect for organizations needing a flexible, high-performance rackmount server that can handle complex workloads with ease, though it may require assistance during setup and isn’t the best choice for those prioritizing brand new equipment or extensive warranty coverage.

    Pros:
    • High-performance 16-core processor for intensive tasks
    • Large 192GB RAM capacity supports demanding applications
    • Includes power cords and customizable configurations
    Cons:
    • Heavy at over 50 pounds, requiring assistance for installation
    • Renewed condition may impact long-term reliability
    • Limited information on warranty or ongoing support

    Best for: Mid-sized enterprises requiring robust performance and customization options in a rackmount form factor.

    Not ideal for: Small data centers or offices where ease of installation and warranty support are critical, due to its weight and renewed status.

    • Processor:3.50GHz 16-core
    • RAM:192GB
    • Storage:9.6TB
    • Form Factor:Rackmount
    • Condition:Renewed
    • Includes:Power cords, customizable options
    Our verdict
    “This server suits organizations seeking a powerful, adaptable rackmount with ample memory, provided they can manage its weight and renewed condition.”
  12. HP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail Kit

    HP ProLiant DL360 Gen 10 Business Server Bundle with Dual Intel Xeon Silver 4210 CPUs, 64GB RAM, 7.68TB SSDs, RAID, Rail Kit

    Best for Enterprise Workloads with Easy Deployment

    View Latest Price

    The HP ProLiant DL360 Gen 10 is well-suited for organizations seeking a balanced mix of performance and straightforward installation. Its dual Intel Xeon Silver 4210 CPUs deliver solid multitasking power, especially for enterprise applications, outperforming single-CPU options like the Dell R640 with lower core counts. Its 7.68TB SSD storage with RAID support offers fast data access, though the setup process demands a certain level of technical skill, and the drives are not pre-installed. This server is ideal for teams with experience in enterprise hardware who need reliable performance and easy rack integration, but it’s less suitable for beginners or those wanting a turnkey solution.

    Pros:
    • Dual Xeon Silver CPUs provide strong multitasking capabilities
    • Large SSD storage with RAID support enhances data performance
    • Includes rail kit for easy rack deployment
    Cons:
    • Installation and setup require technical expertise
    • Drives and memory are not pre-installed, adding initial complexity
    • No public pricing info may hinder quick decision-making

    Best for: IT teams managing enterprise workloads who value flexible storage and straightforward rack installation.

    Not ideal for: Small startups or less experienced staff, due to setup complexity and lack of pre-installed drives.

    • Processor:2 x Intel Xeon Silver 4210 10-Core 2.20GHz
    • Memory:64GB DDR4 RAM
    • Storage:7.68TB SSD (4 x 1.92TB)
    • RAID:Supported with HP Smart Array P408i-a
    • Form Factor:Rackmount
    • Includes:Rail kit
    Our verdict
    “This server is best for experienced enterprise IT teams needing robust performance and flexible storage options in a rackmount form factor.”
  13. Dell PowerEdge R730XD Server – 2x Intel Xeon E5-2680 V3, 128GB RAM, 5x 1TB SAS HDD, H730 RAID

    Dell PowerEdge R730XD Server - 2x Intel Xeon E5-2680 V3, 128GB RAM, 5x 1TB SAS HDD, H730 RAID

    Best for Heavy Storage and Demanding Applications

    View Latest Price

    The Dell PowerEdge R730XD offers substantial storage and processing capabilities, making it a strong choice for data-intensive tasks. Its dual Xeon E5-2680 V3 processors with 24 cores provide ample processing power, outperforming the HP ProLiant in raw CPU capacity for multi-threaded workloads. The 128GB RAM and five SAS drives support large-scale data handling, though its refurbished status might concern buyers wary of longevity, and there’s limited warranty information. The inclusion of a PERC H730 RAID controller facilitates reliable data management, and remote management tools like iDRAC 8 simplify administration. This model is suited for environments where storage density and raw power are priorities, but less so for those needing brand-new hardware or minimal maintenance concerns.

    Pros:
    • Powerful dual Xeon processors with 24 cores total
    • Large 128GB RAM supports demanding workloads
    • Multiple SAS drives offer substantial storage capacity
    Cons:
    • Refurbished condition may impact long-term reliability
    • No explicit warranty details provided
    • Potentially noisy under load, affecting environment noise levels

    Best for: Data centers requiring high storage density and robust processing for large-scale applications.

    Not ideal for: Small or new businesses with limited budgets or strict warranty expectations, due to its refurbished condition.

    • Processor:2x Intel Xeon E5-2680 V3 2.50GHz
    • Cores:24 cores
    • Memory:128GB DDR4
    • Hard Drives:5x 1TB SAS
    • RAID Controller:PERC H730 1GB Cache
    • Management:iDRAC 8 Express
    Our verdict
    “This server is ideal for data centers prioritizing high storage capacity and processing power, assuming the refurbished status aligns with their risk tolerance.”
best data center servers
What makes a great data center server
1
Performance and Scalability
Assess your workload requirements carefully.
2
Reliability and Support
Data center servers must operate continuously, making durability and vendor support vital.
3
Energy Efficiency
Power consumption impacts operational costs significantly, especially at scale.
4
Management and Compatibility
Ease of management tools and compatibility with existing infrastructure save time and reduce errors.
How to choose your data center server
1
How we picked
The selection process focused on evaluating performance metrics such as CPU core counts, RAM capacity, and storage optio
2
Performance and Scalability
Assess your workload requirements carefully.
3
Reliability and Support
Data center servers must operate continuously, making durability and vendor support vital.
4
Energy Efficiency
Power consumption impacts operational costs significantly, especially at scale.
5
Management and Compatibility
Ease of management tools and compatibility with existing infrastructure save time and reduce errors.
Vetted data center servers ·
The best data center servers, compared
★ Winner Dell PowerEdge R830 Server wit
Best Overall Performance and Expandability
13compared
512GBtop ram

How We Picked

The selection process focused on evaluating performance metrics such as CPU core counts, RAM capacity, and storage options, which directly impact server capability. Usability factors like ease of management, expandability, and maintenance were also key, as they influence long-term operational costs. Build quality and reliability are critical in data center environments, so we prioritized brands with proven track records. Price-to-performance ratios helped distinguish between models suited for different budgets, ensuring a balanced, comprehensive lineup. The ranking reflects a combination of raw power, versatility, value, and suitability for enterprise deployment, with the top picks excelling across these areas.
Everyday → specialist
Everyday & valuePremium & specialist
Which data center server fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Data Center Servers

Choosing the right data center server requires considering several critical factors beyond raw specifications. Each environment has unique demands, so understanding these considerations helps avoid costly mistakes and ensures future scalability and reliability.

Performance and Scalability

Assess your workload requirements carefully. High-core CPUs and large RAM capacities support virtualization, big data, and heavy computing tasks. However, over-specifying can lead to unnecessary expenses, so match your server’s power to your current and anticipated workloads. Opt for models with room for expansion, like additional RAM slots or drive bays, to ensure scalability without immediate replacement.

Reliability and Support

Data center servers must operate continuously, making durability and vendor support vital. Consider brands with extensive warranty options and responsive support teams. Reconditioned servers can be cost-effective but verify their maintenance history and warranty coverage. Remember, investing in a reliable hardware platform minimizes downtime and reduces maintenance headaches.

Energy Efficiency

Power consumption impacts operational costs significantly, especially at scale. Look for servers with energy-efficient processors and power supplies. Features like dynamic voltage scaling and efficient cooling can further reduce costs. While energy-efficient models might carry a higher upfront price, they often pay off through lower ongoing expenses.

Management and Compatibility

Ease of management tools and compatibility with existing infrastructure save time and reduce errors. Choose servers supporting remote management protocols like iDRAC or iLO, and ensure they integrate seamlessly with your existing network and storage systems. This foresight simplifies deployment and ongoing maintenance, especially in large data centers.

Cost and Total Cost of Ownership

Balancing initial purchase price with long-term operational costs is key. Cheaper models may seem attractive but could incur higher maintenance or energy expenses. Conversely, premium servers often offer better durability and support, justifying the higher investment. Consider the total cost of ownership over the server’s expected lifespan when making your choice.

Frequently Asked Questions

How do I choose between a high-core CPU and more RAM for a data center server?

The decision hinges on your primary workload. Compute-intensive tasks like virtualization or scientific computing benefit from higher core counts, while database or in-memory applications require more RAM for optimal performance. Often, a balance is best; evaluate your application’s demands and consider future growth to select a configuration that provides the right mix of CPU and memory.

Are reconditioned servers reliable for data center use?

Reconditioned servers can be a cost-effective solution if sourced from reputable vendors with thorough refurbishment processes. They often come with warranties comparable to new hardware, but verify the service history and support options. While they may lack some of the latest features, many are perfectly capable of handling critical workloads, especially when budget constraints are a concern.

What should I prioritize: energy efficiency or raw performance?

This depends on your operational priorities. If your data center operates at large scale, energy efficiency can significantly reduce ongoing costs and environmental impact. However, for workloads demanding maximum performance, raw power might justify slightly higher energy use. Ideally, choose servers that strike a balance, providing robust performance with reasonable energy consumption.

How important is expandability in a data center server?

Expandability is vital for future-proofing your investment. Servers with extra drive bays, RAM slots, or PCIe slots allow you to upgrade as your needs grow, delaying the need for new hardware. This flexibility can save money and minimize downtime, especially in environments where workload demands evolve rapidly.

Should I invest in a premium server for my small business?

For small businesses with critical workloads, a premium server often offers better reliability, support, and energy efficiency, leading to fewer disruptions and lower long-term costs. However, if your needs are modest, a mid-range model may provide sufficient performance at a lower initial investment. Carefully evaluate your current and projected requirements to avoid overspending or under-equipping.

Conclusion

The best overall choice for most enterprise environments remains the Dell PowerEdge R740xd thanks to its blend of performance, expandability, and reliability. For those prioritizing budget without sacrificing too much capability, reconditioned models like the Dell R640 series deliver excellent value. Premium buyers with mission-critical needs should consider high-end options like the Dell R830 or the HP ProLiant DL360 Gen 10 for their advanced features and support. Beginners or small-scale operators might find entry-level models suitable, provided they align with their specific workload demands. Ultimately, matching the server’s specs to your operational needs ensures a resilient and cost-effective data center setup.

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