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Silver 3U rack server front with eight 2.5-inch drive bays and bezel

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 5118 2.3GHz 12-Core 768GB DDR4 8x 2.4TB SAS H730P

SKU CH-K493-E2372

Four-socket 3U rack server with 48 cores, 768GB DDR4 ECC memory, eight 2.4TB SAS drives and PERC H730P RAID controller

  • ProcessorIntel Xeon
  • Installed RAM768 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count12-Core Processor
  • 4 Xeon Gold 5118 CPUs deliver 48 cores for heavy multi-threaded workloads
  • 768 GB DDR4 registered ECC memory supports large in-memory databases
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery-backed cache
  • 8 × 2.4 TB 10K SAS drives provide high-capacity low-latency storage
  • Dual 1600 W platinum PSUs plus iDRAC9 Enterprise ensure uptime and remote control

PowerEdge R940 3U Rack Server

The Dell PowerEdge R940 is a 3U rack-mounted server system built for high-density compute. It carries four Intel Xeon Gold 5118 processors, each running at 2.3 GHz with 12 cores. The system ships with 768 GB of DDR4 registered ECC memory across 24 modules and includes a PERC H730P storage controller with battery backup.

Suited for multi-socket workloads.

This configuration targets environments that need maximum core count and memory capacity in a compact rack footprint. Database clusters, virtualisation hosts and in-memory analytics benefit from the four-socket design and large DIMM population. Buyers who need fewer cores, lower memory capacity or a tower form factor should look at smaller platforms.

768 GB DDR4 in 48 slots defines the memory ceiling

The server provides 48 DIMM slots and arrives with 768 GB installed using 32 GB modules. DDR4 is the only supported memory type and registered ECC is required. The chipset supports up to 6 TB total capacity when fully populated with larger modules.

How it compares

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

Price $5,885.99
Pricier than about 80% 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 R940
Model nameR940
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count12-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.3 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM768 GB
Type of memoryDDR4
Maximum RAM capacity6 TB
Memory slot count48
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 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height3U
Software
Operating systemNo

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the 2.4 TB SAS drives or a different capacity for this R940?

The server arrives with eight 2.4 TB 10K SAS drives and the PERC H730P controller supports RAID 0, 1, 5, 6, 10, 50 and 60, so usable space depends on the RAID level you choose.

What does the 2.3 GHz Xeon Gold 5118 speed mean once the R940 is running workloads?

Each of the four 12-core processors runs at 2.3 GHz base and can turbo to 3.2 GHz, giving 48 total cores for heavily threaded applications.

How does the 12 Gb/s SAS interface on the H730P limit real-world throughput?

The controller and drives both operate at 12 Gb/s SAS, so sustained sequential transfers are capped by that link speed and the 10K drive mechanics.

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