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Silver 1U rack server, four 3.5-inch drive bays front, matte black finish

DELL

DELL PowerEdge R640 4LFF 2x Xeon Silver 4116 2.1GHz 256GB DDR4 No Drive rack server

SKU CH-DMNV-C2QS2

A 1U rack server with two 12-core Xeon Silver 4116 processors at 2.1GHz, 256GB DDR4 ECC memory, a PERC H740P RAID controller, four 3.5-inch drive bays and dual 750W power supplies

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Type of memoryDDR4
  • Processor speed2.1 GHz
  • Installed CPUs2
  • Max supported CPUs2
  • Dual Xeon Silver 4116 CPUs deliver 24 cores at 2.1GHz
  • 256GB DDR4 ECC registered memory supports heavy workloads
  • PERC H740P RAID controller manages up to four 3.5" SATA drives
  • iDRAC9 Enterprise licence enables full remote server management
  • 10GbE 562T dual-port adapter provides high-speed network connectivity

Dell PowerEdge R640 4LFF dual Xeon Silver 4116

The Dell PowerEdge R640 is a 1U rack server built for dense compute workloads. Two Intel Xeon Silver 4116 processors at 2.1 GHz deliver 24 cores total. The chassis supports up to four 3.5-inch drive bays. It ships with 256 GB of DDR4 ECC registered memory and no storage drives installed.

PERC H740P RAID controller and 10 GbE adapter

The installed PERC H740P hardware RAID controller manages SATA drives in the four-bay backplane. A dual-port 10 GbE 562T network adapter provides high-throughput connectivity. Remote management runs on iDRAC9 with an Enterprise licence for full lifecycle control. Dual 750 W power supplies are included for redundancy.

Rail kit optional and firmware pre-updated

The unit arrives with BIOS and firmware updated to the latest stable release after full diagnostics and burn-in testing. A rail kit is available on request but not included by default. Buyers who need drives, additional memory up to 7.68 TB, or a different CPU configuration must specify those changes before shipment.

How it compares

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

Price $1,690.99
Cheaper than about 55% 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 CPUs2
Max supported CPUs2
Memory
Installed RAM256 GB
Type of memoryDDR4
Maximum RAM capacity7.68 TB
Storage
Installed storage2,00
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

Will the PERC H740P RAID controller need a battery or capacitor replacement later?

The PERC H740P controller uses a backup module that typically lasts several years; replacement is only required if the module fails or reaches end-of-life.

What limits the 2x Xeon Silver 4116 CPUs at 2.1GHz during sustained all-core workloads?

The 12-core processors share a 16.5MB cache and are capped by the dual 750W power supplies and chassis airflow under continuous load.

How much heat and noise do the dual 750W supplies and 2.1GHz CPUs produce when running 24/7?

Two 750W units and the 2.1GHz Xeon pair generate significant heat; fan speeds rise to maintain thermal limits, increasing audible noise in a rack.

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