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

DELL

DELL PowerEdge R640 1U 2x Xeon Gold 6142 16C 2.6GHz 256GB DDR4 8x 2.4TB SAS H730P

SKU CH-J3GV-WWVSD

A 1U rack server with dual 16-core Xeon Gold 6142 CPUs at 2.6 GHz, 256 GB DDR4, PERC H730P RAID and eight 2.4 TB SAS drives

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count16-Core Processor
  • Dual Xeon Gold 6142 CPUs deliver 32 cores at 2.6 GHz
  • 256 GB DDR4 2666 MHz ECC memory supports large workloads
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60
  • Eight 2.4 TB 10K SAS drives provide high-capacity storage
  • iDRAC 9 Enterprise gives full remote server management

Dense dual-socket 1U server for scale-out compute

The Dell PowerEdge R640 packs two Intel Xeon Gold 6142 processors with 16 cores each at 2.6 GHz and 256 GB of DDR4 ECC memory into a single rack unit. It targets organisations running virtualisation clusters, high-density databases or HPC workloads that need maximum core count per rack space. Buyers needing GPU acceleration or single-thread frequency above 3.7 GHz turbo should look elsewhere.

Verify rack depth power

Confirm your cabinet accommodates a 1U chassis with ready rails and that dual 750 W platinum supplies match your PDU connectors. The C620 chipset offers 24 DIMM slots; eight are occupied by 32 GB modules leaving room to reach the 3 TB maximum. Network connectivity uses an X520/I350 daughter card providing two 1 GbE and two 10 Gb SFP+ ports — ensure your top-of-rack switches have matching transceivers.

PERC H730P RAID battery iDRAC Enterprise

The H730P 2 GB controller supports RAID 0 1 5 6 10 50 60 plus pass-through with a battery-backed cache for write protection. Eight 2.4 TB 10K SAS drives ship installed delivering raw capacity for local datasets. iDRAC 9 Enterprise enables full remote power console and firmware management without an OS. No SSDs or additional drive carriers are included.

How it compares

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

Price $3,489.99
Pricier than about 70% 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).
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 count16-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.6 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM256 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSAS
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

Other versions of this model

5 more in the same range

Questions about this item

What comes in the box and what must I buy separately?

The server ships with two Xeon Gold 6142 processors, 256 GB DDR4 memory, eight 2.4 TB SAS hard drives, the PERC H730P controller, the X520/I350 quad-port network card, iDRAC9 Enterprise, two 750 W power supplies, rails and a front bezel. No extra parts are included.

Which memory configuration should I choose for this system?

The unit already contains 256 GB across eight 32 GB DDR4 2666 MHz registered ECC modules. All 24 slots are populated to this level, leaving 16 slots free for expansion up to the 3 TB maximum.

What does the 2.6 GHz base clock mean when the server is under load?

Each Xeon Gold 6142 runs at 2.6 GHz base frequency and can boost to 3.7 GHz with Turbo, giving 16 cores per processor a higher throughput during demanding workloads.

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