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

DELL

DELL PowerEdge R640 1U rack server 2x Xeon Gold 5118 2.3GHz 12-core 768GB DDR4 8x 2.4TB SAS

SKU CH-312A-A671B

A 1U rack server with dual 12-core Xeon Gold 5118 CPUs at 2.3 GHz, 768 GB DDR4 ECC memory, eight 2.4 TB SAS drives on a PERC H730P controller, quad-port 1 GbE and 10 GbE SFP+ networking.

  • ProcessorIntel Xeon
  • Installed RAM768 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count12-Core Processor
  • Dual 12-core Xeon Gold 5118 CPUs deliver 24 threads at 2.3 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large in-memory workloads
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Eight 2.4 TB 10 K SAS drives supply high-capacity 12 Gb/s storage
  • Quad-port X520/I350 card adds 2× 1 GbE and 2× 10 Gb SFP+ connectivity

Dual-Socket 1U Rack Platform

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data center computing. It ships with two Intel Xeon Gold 5118 processors, each running at 2.3 GHz with 12 cores. The system includes 768 GB of DDR4 registered ECC memory across 24 slots. Eight 2.4 TB SAS hard drives and a PERC H730P controller provide high-capacity storage.

Tool-Less Rail Installation

The server comes with ready rails and a front bezel for standard rack mounting. Installation is tool-less once the rails are secured to the cabinet. The 1U height allows dense stacking but leaves limited cable routing space behind the chassis. Hot-swap power supplies and drive bays simplify maintenance without downtime. Ensure the rack depth supports the full chassis length before fitting.

Verify Power And Network Needs

Dual 750 watt platinum power supplies require matching PDU connectors and circuit capacity. The Intel X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ ports; confirm your switch has compatible transceivers. Memory uses DDR4 2400 MHz registered ECC modules only. The PERC H730P supports SAS and SATA drives in RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes.

How it compares

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

Price $5,155.99
Pricier than about 77% of the 17,641 comparable items (median $1,910.99).
Installed RAM 768 GB
Higher than about 90% 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 count12-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.3 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM768 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

How can I verify the PERC H730P controller is managing all 8 drives correctly after setup?

Open the PERC H730P BIOS utility or iDRAC9 Enterprise storage view and confirm the virtual disk shows all 8 physical drives in the desired RAID level with optimal status.

What is included with the R640 and what must be purchased separately?

The server ships with 2 Xeon Gold 5118 CPUs, 768GB DDR4, PERC H730P, 8x 2.4TB SAS drives, X520/I350 quad-port NIC, iDRAC9 Enterprise, 2x 750W PSUs, bezel and rails. OS licences, SFP+ modules and extra memory are not included.

Which memory capacity should I choose if I need room to grow beyond 768GB?

The R640 has 24 DDR4 slots and supports up to 3TB; the current 768GB uses 24x 32GB modules, so any increase requires replacing modules with higher-capacity DDR4 DIMMs.

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