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

DELL

DELL PowerEdge R640 4LFF 1x Xeon Gold 5218R 256GB DDR4 No Drive rack server

SKU CH-8SHB-EK9NK

A 1U rack server with four 3.5-inch drive bays, one Xeon Gold 5218R processor and 256 GB DDR4 memory, sold without drives

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Type of memoryDDR4
  • Processor speed2.1 GHz
  • Installed CPUs1
  • Max supported CPUs2
  • Enterprise-grade 20-core Xeon Gold 5218R at 2.1 GHz
  • 256 GB DDR4 ECC memory for heavy workloads
  • PERC H740P RAID controller with 4-bay 3.5" SATA chassis
  • Dual 750 W power supplies for redundancy
  • iDRAC9 Enterprise remote management included

Rack server with single 20-core Xeon

The Dell PowerEdge R640 chassis arrives as a 4LFF 3.5-inch rack server populated with one Xeon Gold 5218R running at 2.1 GHz and 20 cores. 256 GB of DDR4 ECC registered memory is installed across sixteen 16 GB modules. A PERC H740P RAID controller and a dual-port 10 GbE 562T adapter are fitted. No drives are included.

Verify CPU socket and memory capacity

The system board accepts a second Xeon Scalable processor if you need more cores. Maximum supported memory reaches 7.68 TB, so confirm your planned workload fits within the installed 256 GB or budget for additional DDR4 modules. Four 3.5-inch drive bays are wired to the PERC H740P via SATA; ensure any drives you add match that interface. Dual 750 W power supplies are present.

Ready for remote management and custom storage

An iDRAC9 Enterprise licence ships active, giving full out-of-band control, virtual console and firmware update automation before the operating system loads. Because no drives are installed, you choose capacity, speed and RAID level without paying for factory disks you would replace. Rail kits are available on request for rack mounting.

How it compares

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

Price $2,365.99
Pricier than about 58% 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 2.1 GHz
Lower than about 70% of the 9,950 comparable items (median 2.3 GHz).

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Specifications

Product
Brand nameDELL
Product linePowerEdge
Model nameRack Mount
Product typeRack
Processor
ProcessorIntel Xeon
Processor speed2.1 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 comes in the box with the PowerEdge R640 and which drives must be purchased separately?

The server ships with one Xeon Gold 5218R processor, 256GB DDR4 ECC Registered memory in sixteen 16GB modules, a PERC H740P RAID controller, dual 750W power supplies, a 10GB 2-port 562T Ethernet adapter, iDRAC9 Enterprise remote management, and four empty 3.5-inch SATA drive bays; drives are not included and must be bought separately.

How do I choose between the installed 256GB DDR4 and the maximum 7.68TB capacity?

The system arrives with sixteen 16GB DDR4 modules filling all current slots; to reach 7.68TB you would need to replace them with higher-capacity DDR4 ECC Registered DIMMs, so select 256GB for immediate use or plan a full memory upgrade for larger workloads.

What does the 2.1 GHz 20-core Xeon Gold 5218R deliver in a real R640 with 256GB RAM and the PERC H740P controller?

The single 20-core processor at 2.1 GHz with 27.5MB cache provides strong multi-threaded performance for virtualization and database tasks, while the 256GB DDR4 and hardware RAID controller ensure low-latency memory access and accelerated storage I/O for production workloads.

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