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Silver 1U rack server with four 3.5-inch drive bays, matte black front bezel, dual 750W power supplies, slide rails visible

DELL

DELL PowerEdge R640 4LFF 2x Xeon Silver 4114 384GB DDR4 No Drive Rack Server

SKU CH-NNBQ-2E3KG

A 1U rack server with dual Xeon Silver 4114 CPUs, 384 GB DDR4 ECC memory, a PERC H740P RAID controller, 10 GbE networking and four 3.5-inch drive bays ready for SATA storage

  • ProcessorIntel Xeon
  • Installed RAM384 GB
  • Type of memoryDDR4
  • Processor speed2.2 GHz
  • Installed CPUs2
  • Max supported CPUs2
  • Dual Xeon Silver 4114 processors deliver 20 cores at 2.2 GHz
  • 384 GB DDR4 ECC registered memory supports demanding workloads
  • PERC H740P RAID controller manages up to four 3.5" SATA drives
  • iDRAC9 Enterprise licence enables full remote server management
  • Dual 750 W power supplies provide redundancy for continuous operation

Dense compute in a 1U rack node

The Dell PowerEdge R640 packs two Xeon Silver 4114 processors and 384 GB of DDR4 ECC memory into a single rack unit, giving virtualisation hosts or database clusters a high core count without consuming extra height. Ten cores per CPU at 2.2 GHz provide steady throughput for multi-tenant workloads, while the PERC H740P controller manages up to four 3.5-inch SATA bays for local storage arrays.

Replaces older dual-socket 1U boxes

Sites running earlier Xeon E5 or first-generation Scalable platforms gain a direct upgrade path: double the installed memory ceiling to 7.68 TB and a newer iDRAC9 Enterprise licence for remote lifecycle control. The jump is worth it when consolidation ratios are limited by DIMM slots rather than CPU threads, or when firmware-update automation becomes a daily operational cost.

Sustained load behaviour

Dual 750 W supplies and the 10 GbE 562T adapter keep throughput stable during extended backup windows or replication streams, and the 4 LFF bay layout allows spindle-heavy datasets to stay local without throttling. Integrated graphics and the iDRAC9 dedicated port mean console access remains responsive even when all CPU cores are saturated by compute jobs.

How it compares

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

Price $2,194.99
Pricier than about 55% of the 17,641 comparable items (median $1,910.99).
Installed RAM 384 GB
Higher than about 75% of the 15,103 comparable items (median 128 GB).
Processor speed 2.2 GHz
Lower than about 60% 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 speed2.2 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM384 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage40,00
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

How deep is the rack space required for the 36 x 24 x 10 inch chassis?

The chassis measures 36 inches deep, so the rack must provide at least that much usable depth plus cable clearance at the rear.

Which screws secure the PERC H740P RAID controller during installation?

The PERC H740P controller mounts in the dedicated internal slot and is held by a single retention screw on the bracket.

When should the 750 W power supplies be replaced?

Replace a power supply if the iDRAC9 Enterprise console reports a fault LED or if the unit fails self-test during boot.

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