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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 4× Xeon Gold 6148 2.4GHz 20-core 256GB DDR4 8× 1.2TB SAS H730P

SKU CH-X22K-JAMSQ

Four-socket 3U rack server with 4× Xeon Gold 6148 20-core processors, 256 GB DDR4 ECC memory, eight 1.2 TB SAS drives and PERC H730P controller

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count20-Core Processor

Installed Memory Size 256GB

HDD 8 x 1.2TB 10K SAS

CPU Model Gold 6148

  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz
  • 256 GB DDR4 2666 MHz ECC memory installed across 8 modules
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Eight 1.2 TB 10K SAS drives deliver high-capacity storage
  • iDRAC9 Enterprise enables full remote management and monitoring

Four-socket Xeon server for dense compute

The Dell PowerEdge R940 fits four Intel Xeon Gold 6148 processors in a 3U rack chassis. Each CPU provides 20 cores at 2.4 GHz with a 3.7 GHz turbo frequency. The system ships with 256 GB of DDR4 registered ECC memory across 48 slots. Eight 1.2 TB SAS drives and a PERC H730P controller handle storage.

Suited to multi-threaded workloads.

This configuration targets virtualization hosts, database clusters and analytics platforms that benefit from high core counts and large memory capacity. Buyers who need maximum single-thread performance or GPU acceleration should evaluate other platforms. The chassis includes redundant 1600 W power supplies, quad-port networking and iDRAC9 Enterprise remote management.

48 DIMM slots define maximum memory capacity

The motherboard provides 48 DDR4 slots supporting up to 6 TB total when fully populated. Current population uses 8 x 32 GB modules leaving 40 slots available for expansion. Memory upgrades must use registered ECC DDR4 to maintain compatibility.

How it compares

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

Price $2,947.99
Pricier than about 64% of the 17,641 comparable items (median $1,910.99).
Installed RAM 256 GB
Higher than about 60% 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 count20-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.4 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM256 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

What rack space and power circuits must already be available to install this 3U server with dual 1600 W supplies?

The chassis occupies 3U of rack height and ships with ready rails. Two separate circuits are recommended because each 1600 W platinum supply can draw full load independently.

Can the installed PERC H730P controller manage the eight 1.2 TB 10K SAS drives together with any SATA SSDs I might add later?

Yes. The H730P supports SAS and SATA simultaneously and offers RAID 0, 1, 5, 6, 10, 50, 60 plus pass-through, so mixed drive types can share the same backplane.

How do I confirm the four Xeon Gold 6148 CPUs and 256 GB of DDR4-2666 memory are all detected and healthy after first boot?

Open the iDRAC9 Enterprise web interface or watch the POST screen; both will list each of the four 20-core processors at 2.4 GHz and show 256 GB across the 48 DIMM slots with ECC status.

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