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DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 6148 2.4GHz 20-core 128GB DDR4

SKU CH-S0RN-GVDEF

Four-socket 3U rack server with four 20-core 2.4 GHz Xeon processors, 128 GB DDR4 memory, PERC H730P controller and eight 2.5-inch drive trays

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count20-Core Processor
  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz base speed
  • 128 GB DDR4 2666 MHz registered ECC memory installed across 8 modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60
  • Intel X520/I350 quad-port card adds 2× 1 GbE and 2× 10 Gb SFP+
  • iDRAC 9 Enterprise enables full remote management with dual 1600 W redundant power

Four-socket Xeon server for mission-critical

The Dell PowerEdge R940 is a 3U rack server built around four Intel Xeon Gold 6148 processors. Each CPU delivers 20 cores at 2.40 GHz with a 3.7 GHz turbo frequency. The system ships with 128 GB of DDR4 2666 MHz registered ECC memory across 48 slots, supporting up to 6 TB total capacity. It targets organisations running databases, virtualisation or analytics that demand high core counts and large memory footprints in a compact rack form factor.

Redundant 1600 W platinum power supplies

Dual 1600 watt platinum-efficiency power supplies provide full redundancy and hot-swap replacement. The chassis includes eight 2.5-inch SAS/SATA drive trays served by a Dell PERC H730P 2 GB controller with battery-backed cache supporting RAID 0, 1, 5, 6, 10, 50 and 60. Network connectivity uses an Intel X520/I350 quad-port daughter card offering two 1 GbE and two 10 Gb SFP+ ports. iDRAC 9 Enterprise enables remote management without operating-system dependence.

Sustained multi-threaded throughput

Under continuous load the four 20-core processors maintain high aggregate thread counts for parallel workloads such as in-memory databases or large virtual-machine fleets. The 48 DIMM slots allow memory capacity to grow with demand, preserving bandwidth per core as datasets expand. Hot-swap power and drive bays let administrators replace components without downtime, while the PERC H730P controller offloads parity calculations during prolonged rebuild or scrub operations. Ready rails and a front bezel are included for immediate rack integration.

How it compares

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

Price $1,994.99
Typical for this category: the median of 17,641 items is $1,910.99.
Installed RAM 128 GB
Typical for this category: the median of 15,103 items is 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 count20-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.4 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM128 GB
Type of memoryDDR4
Maximum RAM capacity6 TB
Memory slot count48
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 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

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Questions about this item

How do I install the 48 DDR4 DIMMs and what step is often missed?

Populate all 48 slots in the CPU-specific sequence shown on the air-baffle label; the step most often missed is seating each module until both ejector clips click, otherwise the system will not POST.

Which components will need replacement during the server's life?

The H730P controller's 2 GB cache battery, the two 1600 W hot-swap power supplies, and any SAS or SATA drives you add to the eight 2.5" trays are the field-replaceable items.

What limit appears first when all four Xeon Gold 6148 CPUs run sustained 3.7 GHz turbo workloads?

The dual 1600 W platinum power supplies set the thermal and electrical ceiling before the processors can hold maximum turbo indefinitely.

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