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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 20C 128GB DDR4 8x 300GB SAS H730P

SKU CH-RX6N-KPFK9

Four-socket 3U rack server with four 20-core Xeon Gold 6148 processors, 128 GB DDR4, eight 300 GB SAS drives and H730P RAID

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count20-Core Processor

Installed Memory Size 128GB

HDD 8 x 300GB 10K SAS

CPU Model Gold 6148

  • Four Xeon Gold 6148 processors provide 2.4 GHz base and 3.7 GHz turbo for demanding compute
  • 128 GB DDR4 registered ECC memory across 48 slots supports large datasets
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through
  • Eight 300 GB 10K SAS drives deliver fast storage in 2.5 inch bays
  • iDRAC 9 Enterprise gives full remote management with redundant 1600 W platinum power supplies

Mission-critical compute platform

The Dell PowerEdge R940 is a 3U rack server built for mission-critical workloads. It carries four Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores and 3.7 GHz turbo. The system ships with 128 GB of DDR4 registered ECC memory across 48 slots and supports up to 6 TB total capacity.

Installation and common issues

The chassis includes ready rails and a front bezel for standard rack mounting. Redundant 1600 watt platinum power supplies and hot-swap drive bays simplify hardware maintenance. The PERC H730P controller requires careful RAID configuration before deploying the eight 300 GB SAS drives to avoid array initialisation errors.

SAS storage and network limits

Eight 2.5 inch bays accept SAS or SATA drives through the 12 Gb/s H730P controller with battery-backed cache. The Intel X520/I350 daughter card provides two 1 GbE and two 10 Gb SFP+ ports for network connectivity. iDRAC 9 Enterprise enables remote management independent of the host operating system.

How it compares

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

Price $2,429.99
Pricier than about 59% of the 17,641 comparable items (median $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 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 four Xeon Gold 6148 processors are running at 2.4 GHz with 20 cores each after installation?

Check the iDRAC9 Enterprise interface or BIOS to confirm 4 processors, 20 cores per CPU, 2.4 GHz base speed and 3.7 GHz turbo.

Which components are included and which must be purchased separately for this R940?

Included: 4 Xeon Gold 6148 CPUs, 128 GB DDR4 (8×16 GB), PERC H730P controller, 8×300 GB 10K SAS drives, X520/I350 quad-port NIC, iDRAC9 Enterprise, 2×1600 W PSUs, rails, bezel. No extra parts required for basic operation.

Should I choose the 128 GB DDR4 configuration or expand toward the 6 TB maximum for my workload?

Start with the installed 128 GB (8×16 GB DDR4 2666 MHz) across 48 slots; add registered ECC DDR4 modules later if applications demand more capacity.

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