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Silver 1U rack server with front bezel and eight 2.5-inch drive bays

DELL

DELL PowerEdge R640 1U Rack Server 2x Xeon Silver 4116 2.1GHz 12 Core 128GB DDR4 2x 400GB SSD

SKU CH-NK2G-RCE05

A 1U rack server with dual 12-core Xeon Silver 4116 CPUs, 128GB DDR4 ECC memory, PERC H730P RAID controller, dual 400GB SSDs, quad-port 1GbE and 10GbE SFP+ networking.

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Video RAM8 MB
  • Installed SSD2 × 400 GB SATA SSD
  • ChipsetIntel C620
  • Processor core count12-Core Processor
  • Dual Xeon Silver 4116 CPUs deliver 24 cores at 2.1 GHz base
  • 128 GB DDR4 2400 MHz ECC memory supports 3 TB maximum capacity
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Dual 400 GB SATA SSDs provide fast solid-state storage
  • Quad-port X520/I350 card adds 2× 1 GbE and 2× 10 Gb SFP+

Dense 1U Dual-Socket Platform

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data centre computing. It ships with two Intel Xeon Silver 4116 processors, each running at 2.1 GHz with 12 cores. The system includes 128 GB of DDR4 registered ECC memory across eight 16 GB modules. Dual 400 GB SATA SSDs provide the initial storage footprint.

Sustained Load Behaviour

Redundant hot-swap 750 W platinum power supplies keep the platform running during continuous operation. The PERC H730P controller with 2 GB cache and battery backup maintains write performance and data integrity under heavy I/O. Dual Xeon processors deliver 24 total cores with a 3.0 GHz turbo frequency for prolonged multi-threaded workloads. iDRAC 9 Enterprise enables remote monitoring and management without physical access.

Interface Practical Limits

The SATA 6 Gb/s interface on the installed SSDs caps sequential throughput below the controller’s 12 Gb/s SAS capability. Four 1 GbE and two 10 Gb SFP+ ports on the X520/I350 daughter card define the network ceiling. Twenty-four DDR4 slots support up to 3 TB of memory when all slots are populated. Eight 2.5-inch drive bays set the physical storage expansion boundary.

How it compares

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

Price $975.99
Cheaper than about 75% of the 17,641 comparable items (median $1,910.99).
Installed RAM 128 GB
Typical for this category: the median of 15,103 items is 128 GB.
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R640
Model nameR640
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count12-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.1 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM128 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSD2 × 400 GB SATA SSD
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSATA
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 3 PCIe Gen 3 slots all x16
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height1U
Software
Operating systemNo

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