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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 64GB DDR4 8x 300GB SAS H730P

SKU CH-HZQ9-WJVW5

1U rack server with dual 12-core Xeon Gold 5118 CPUs, 64GB DDR4, eight 300GB SAS drives on an H730P controller, quad-port 1GbE and 10Gb SFP+ networking, iDRAC9 Enterprise, and dual 750W PSUs

  • ProcessorIntel Xeon
  • Installed RAM64 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count12-Core Processor
  • Dual Xeon Gold 5118 CPUs deliver 24 cores at 2.3 GHz
  • 64 GB DDR4 ECC memory supports demanding workloads
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60
  • Eight 300 GB 10K SAS drives provide fast storage
  • iDRAC 9 Enterprise gives full remote management

Dual-socket 1U rack server

The PowerEdge R640 packs two Xeon Gold 5118 processors into a single rack unit. Each CPU delivers 12 cores at 2.3 GHz with a 3.2 GHz turbo frequency. The system ships with 64 GB of DDR4 registered ECC memory across four 16 GB modules. It targets organisations that need high compute density in a compact footprint.

12 Gb/s SAS controller limits

The PERC H730P controller operates at 12 Gb/s over SAS and SATA links. It supports RAID levels 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. Eight 2.5-inch drive bays are wired to this controller. Throughput is bounded by the 12 Gb/s interface and the 10 000 rpm mechanical drives installed.

24 DDR4 slots with 3 TB ceiling

The platform provides 24 DIMM slots and a maximum memory capacity of 3 TB. Only DDR4 registered ECC modules are compatible. Buyers planning larger memory footprints must populate the remaining 20 slots with matching DDR4 parts. Builders who need a different memory generation cannot use this server.

How it compares

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

Price $859.99
Cheaper than about 79% of the 17,641 comparable items (median $1,910.99).
Installed RAM 64 GB
Lower than about 70% 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 RAM64 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

Which drive configuration should I pick for the eight-bay 2.5" chassis?

The unit ships with eight 300 GB 10 K SAS drives on a H730P controller supporting RAID 0/1/5/6/10/50/60 and pass-through; choose this setup when you need 12 Gb/s SAS throughput and enterprise-grade spindle speed.

What does the 2.3 GHz base clock mean once the Xeon Gold 5118 CPUs are under load?

Each 12-core processor can turbo up to 3.2 GHz, so the 2.3 GHz base is the guaranteed minimum frequency across all cores; actual speeds depend on workload, thermals and power limits.

What does the 12 Gb/s SAS interface cap in practice with the PERC H730P?

The controller and backplane run at 12 Gb/s per lane, so each installed 300 GB 10 K drive can saturate that link; total array bandwidth scales with the RAID level and number of active spindles.

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