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Silver 1U rack server with four front 3.5-inch drive bays

DELL

DELL PowerEdge R640 4LFF Xeon 5118 2.3GHz 12C 256GB DDR4

SKU CH-MMSN-H6K53

A 1U rack server holding four 3.5-inch drive bays with one Xeon 5118 12-core processor at 2.3 GHz and 256 GB DDR4 memory

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Type of memoryDDR4
  • Processor speed2.3 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • 12-core Xeon 5118 at 2.3GHz handles demanding workloads
  • 256GB DDR4 ECC registered memory scales to 7.68TB
  • PERC H740P RAID controller protects data on four 3.5-inch SATA bays
  • iDRAC9 Enterprise licence enables remote server management
  • Dual 750W power supplies and 10GbE 562T adapter keep services running

Ready-to-Deploy Rack Server

The Dell PowerEdge R640 arrives as a 1U rackmount system with a single Intel Xeon 5118 processor running at 2.3GHz across 12 cores. It ships with 256GB of DDR4 ECC registered memory installed across sixteen 16GB modules. The chassis supports up to four 3.5-inch drive bays and includes a PERC H740P RAID controller. Remote management is handled by iDRAC9 with an Enterprise license.

Verify Rack Space and Power

Confirm that your rack can accommodate a unit measuring 36 by 24 by 10 inches and weighing 40 pounds. Two 750W power supplies are installed, so ensure your PDU has matching connectors and sufficient capacity. The onboard network adapter provides two 10GbE ports via a 562T adapter; check that your switch ports and cabling support this speed. Drive bays accept SATA drives only; no drives are included.

Built for Continuous Operation

The 1U form factor uses a 4LFF chassis design with tool-less drive carriers for quick swap-outs. Dual redundant power supplies and the PERC H740P controller support hardware RAID for data protection. iDRAC9 Enterprise enables full out-of-band management, including virtual console and power cycling, without needing physical access. Integrated graphics handle basic display output for local troubleshooting.

How it compares

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

Price $1,602.99
Cheaper than about 57% 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 speed 2.3 GHz
Typical for this category: the median of 9,950 items is 2.3 GHz.

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Specifications

Product
Brand nameDELL
Product linePowerEdge
Model nameRack Mount
Product typeRack
Processor
ProcessorIntel Xeon
Processor speed2.3 GHz
Installed CPUs1
Max supported CPUs2
Memory
Installed RAM256 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage4,00
Disk controllerDell PERC H740P Controller
Drive interfaceSATA
Graphics
Graphics chipIntegrated Graphics
Size & build
Product dimensions36 × 24 × 10 in
More details
Management controlleriDRAC9 - Enterprise License

Questions about this item

What is included in the box and what do I need to buy separately?

The server ships with one Xeon 5118 2.3 GHz 12-core processor, 256 GB DDR4 ECC registered memory in sixteen 16 GB modules, a PERC H740P RAID controller, a dual-port 10 GbE 562T adapter, two 750 W power supplies, and iDRAC9 Enterprise remote management. No 3.5" drives or rail kit are included; both must be purchased separately.

Which drive capacity or version should I choose for the four 3.5" bays?

The chassis accepts up to four 3.5" SATA drives. Select capacities that match your storage target and RAID level — for example, four 10 TB drives in RAID 10 yield 20 TB usable, while RAID 5 on the same drives gives 30 TB usable. The PERC H740P supports both configurations.

What does the 256 GB DDR4 figure mean once the server is running workloads?

The installed 256 GB DDR4 ECC registered memory runs at 2.3 GHz processor speed across twelve cores, providing a large buffer for virtualisation, databases, or in-memory analytics. The platform can scale to 7.68 TB total using additional DDR4 modules.

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