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Silver 3U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 6148 2.4GHz 20-Core 768GB DDR4

SKU CH-A95G-58N60

Four-socket 3U rack server with 4× Xeon Gold 6148 20-core CPUs, 768 GB DDR4, PERC H730P RAID, 2× 300 GB SAS drives, quad-port 1/10 GbE and redundant 1600 W PSUs

  • ProcessorIntel Xeon
  • Installed RAM768 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count20-Core Processor

Installed Memory Size 768GB

HDD 2 x 300GB 10K SAS

CPU Model Gold 6148

  • Four-socket Xeon Gold 6148 CPUs deliver 20 cores each at 2.4 GHz with 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz registered ECC memory across 24 slots for large datasets
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60 with battery-backed cache
  • Dual 1600 W platinum power supplies provide hot-swap redundancy in a 3U rack form factor
  • iDRAC 9 Enterprise plus quad-port 1 GbE and 10 Gb SFP+ networking for remote management

PowerEdge R940 3U rack server

The Dell PowerEdge R940 is a 3U rack-mounted server system built for dense compute in a compact form factor. It ships with four Intel Xeon Gold 6148 processors installed, each running at 2.4 GHz with 20 cores. The platform supports up to four sockets and uses the Intel C620 chipset.

Suited for memory-intensive workloads

This configuration includes 768 GB of DDR4-2666 registered ECC memory spread across 24 modules, leaving 24 additional slots for future expansion up to the 6 TB maximum. The PERC H730P controller manages the two included 300 GB 10K SAS drives with RAID 0, 1, 5, 6, 10, 50 and 60 support. Builders needing flash storage or higher drive counts should look at other platforms.

Four-socket Xeon Gold 6148 foundation

The single specification that determines fit is the four-processor layout using LGA 3647 sockets and the Intel C620 chipset. This defines the memory architecture, PCIe topology and power envelope for the entire chassis. If your workload requires a different socket or processor family, this server will not accept it.

How it compares

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

Price $4,322.99
Pricier than about 73% 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 count20-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.4 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

How do I verify the system posts with all four Xeon Gold 6148 20-core CPUs and 768GB DDR4?

Watch the iDRAC 9 Enterprise console during POST; it will enumerate four processors at 2.4 GHz, 20 cores each, and show 768 GB across 24 DIMM slots.

Which drives, rails and management licence are included, and what must I add for storage expansion?

The box contains two 300 GB 10K SAS drives, a PERC H730P 2 GB controller, ready rails, bezel and iDRAC 9 Enterprise; add up to six more 2.5" SAS/SATA drives for the remaining bays.

With 24 DIMMs already installed, which memory configuration should I pick to grow toward the 6 TB maximum?

The 768 GB ships as 24 × 32 GB DDR4-2666 RDIMMs; populate the remaining 24 slots with matching 32 GB or larger RDIMMs in sets of 12 per processor to keep channels balanced.

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