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Silver 1U rack server with ten 2.5-inch drive bays front panel

DELL

DELL PowerEdge R640 40-Core Rack Server 2x Xeon Gold 6148 256GB DDR4 10x 2.5

SKU CH-WMKP-8X5FS

40-core rack server with dual Xeon Gold 6148 CPUs, 256 GB DDR4 memory and ten 2.5-inch drive bays for flexible storage

  • ProcessorGold 6148
  • Installed RAM256 GB
  • Processor core count12
  • Operating systemNo
  • Type of memoryDDR4
  • Processor speed2.4 GHz
  • 40-core Xeon Gold 6148 CPUs deliver high virtualization throughput
  • 256GB DDR4 memory supports dense multi-VM workloads
  • 10 front 2.5-inch drive bays enable custom storage arrays
  • Rackmount 1U form factor fits standard data-centre cabinets
  • Dual-processor design scales to 3TB maximum memory capacity

Server purpose

The Dell PowerEdge R640 is a 1U rackmount server built for virtualization, database hosting, file storage and application workloads. Dual Intel Xeon Gold 6148 processors deliver 40 cores at 2.40GHz, while 256GB of DDR4 memory supports dense virtual-machine deployments and data-intensive services.

Storage flexibility

Ten 2.5-inch drive bays accept the SSD or HDD combination you choose, letting capacity and performance match the workload. An integrated quad-port I350-T4 network adapter provides four Gigabit Ethernet links for segmentation or redundancy without consuming a PCIe slot.

Fit and alternatives

This configuration suits IT teams building on-premise clouds, backup targets or multi-tenant application farms that need high core counts in a single rack unit. Buyers who require GPU acceleration, more than two sockets, or pre-loaded operating systems should evaluate other platforms.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $1,491.99
Cheaper than about 59% of the 17,641 comparable items (median $1,910.99).
Installed RAM 256 GB
Higher than about 60% of the 15,103 comparable items (median 128 GB).
Processor core count 12
Lower than about 60% of the 7,955 comparable items (median 16).

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Specifications

Product
Brand nameDELL
Product typeRackmount
Processor
ProcessorGold 6148
Processor core count12
Processor speed2.4 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM256 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Storage
Drive bays10B - 10x 2.5 in
Graphics
Graphics chipIntegrated
Software
Operating systemNo
More details
Indicator lightsPower, Ethernet, USB

Questions about this item

What maintenance will the ten 2.5-inch drive bays need over time?

The ten 2.5-inch bays accept standard hot-swap drives; plan to replace any drive that reports SMART errors or reaches its rated write endurance, and keep spare caddies on hand for quick swaps.

Which limit appears first when both Xeon Gold 6148 CPUs run at 2.40GHz continuously?

The 256GB DDR4 memory ceiling will be reached before the dual 12-core processors saturate, so memory capacity is the first bottleneck for sustained virtualization workloads.

How much heat and fan noise does the 60kg rackmount produce under all-day load?

With two 2.40GHz Xeon Gold 6148 CPUs and full memory population, expect significant heat output requiring front-to-rear airflow; fan speed ramps up under load, producing noticeable datacentre-grade noise levels.

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