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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 512GB DDR4 H730P

SKU CH-2G9A-26HYA

Dual-socket 1U rack server with two 12-core Xeon Gold 5118 processors at 2.3 GHz, 512 GB DDR4 ECC memory, PERC H730P RAID controller, eight 2.5-inch drive trays, quad-port 1/10 GbE networking.

  • ProcessorIntel Xeon
  • Installed RAM512 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count12-Core Processor
  • Dual 12-core Xeon Gold 5118 CPUs at 2.3 GHz turbo to 3.2 GHz deliver dense compute
  • 512 GB DDR4 2400 MHz registered ECC memory across 16 modules supports large workloads
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery backup
  • Eight 2.5-inch SAS/SATA trays provide flexible storage density in 1U
  • iDRAC9 Enterprise plus quad-port 1GbE and 10Gb SFP+ networking simplify remote management

Dual-socket 1U rack platform

The Dell PowerEdge R640 is a 1U rack server equipped with two Intel Xeon Gold 5118 processors. Each CPU delivers 12 cores at 2.3 GHz with a 3.2 GHz turbo frequency. The system ships with 512 GB of DDR4 2400 MHz registered ECC memory across 16 DIMM slots. A PERC H730P 2 GB controller manages the eight 2.5-inch SAS/SATA drive bays. Dual 750 W platinum power supplies and iDRAC9 Enterprise remote management are included.

Suited for scale-out compute clusters

This server fits dense virtualization hosts, database nodes and high-performance computing workloads that benefit from 24 total cores and large memory capacity. The quad-port network daughter card provides two 1 GbE and two 10 Gb SFP+ connections for flexible fabric integration. Buyers who need GPU acceleration, more than eight front drive bays or single-thread speeds beyond the stated turbo frequency should evaluate alternative platforms.

512 GB DDR4 2400 MHz ECC memory

The installed 512 GB (16 × 32 GB) DDR4 2400 MHz registered ECC configuration determines immediate capacity for virtual machines, in-memory databases or large dataset processing. The platform supports up to 3 TB across 24 slots when fully populated. Confirm that your workload fits within this memory footprint or plan for additional modules before deployment.

How it compares

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

Price $2,220.99
Pricier than about 55% of the 17,641 comparable items (median $1,910.99).
Installed RAM 512 GB
Higher than about 80% 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 RAM512 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSATA/SAS
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

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Questions about this item

How do I install the 16 DDR4 modules into the 24 slots without leaving gaps?

Populate all 16 DIMM sockets following the balanced configuration printed on the air shroud label, filling each processor's six channels in identical order so memory interleaving works correctly.

When will the PERC H730P RAID controller battery need replacement?

The 2 GB cache battery typically lasts three to five years; iDRAC9 Enterprise will log a predictive failure alert when capacity drops below the threshold.

What thermal limit appears first when both Xeon Gold 5118 CPUs run at 3.2 GHz turbo continuously?

The 1U chassis airflow ceiling is reached before the CPU package hits its maximum junction temperature, causing the fans to ramp to maximum speed and the processors to throttle.

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