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DELL

DELL PowerEdge R940 3U Rack Server 4× Xeon Gold 6148 2.4GHz 20-Core 512GB DDR4 H730P 8× 2.5" Trays

SKU CH-QSCT-QP148

3U rack server with four 20-core Xeon Gold 6148 processors, 512GB DDR4 ECC memory, PERC H730P RAID controller, eight 2.5-inch drive trays and dual 1600W power supplies

  • ProcessorIntel Xeon
  • Installed RAM512 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count20-Core Processor
  • Four Xeon Gold 6148 processors provide 20 cores each for parallel workloads
  • 512 GB DDR4 2666 MHz registered ECC memory supports large datasets
  • PERC H730P 2 GB controller enables RAID 0 1 5 6 10 50 60 with battery backup
  • Eight 2.5 inch SAS SATA drive trays allow flexible storage configuration
  • Dual 1600 W platinum power supplies with iDRAC 9 Enterprise ensure uptime

Four-socket Xeon Gold 6148 platform

This 3U rack server delivers four Intel Xeon Gold 6148 processors at 2.40 GHz with 20 cores each and 512 GB of DDR4 2666 MHz registered ECC memory. The Dell PERC H730P controller manages SAS or SATA drives across eight 2.5-inch hot-swap trays. Dual 1600 W platinum power supplies and iDRAC 9 Enterprise remote management come standard. Ready rails and a front bezel are included.

Suits dense virtualisation and database workloads

Organisations that need maximum core count and memory capacity in a 3U footprint will match this configuration. The four-processor limit is already reached, so buyers who require further CPU expansion cannot add sockets. The eight drive trays accept only 2.5-inch SAS or SATA devices; no 3.5-inch bays are present.

PERC H730P RAID controller with 2 GB cache

The storage controller supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. Battery-backed cache protects in-flight writes during power loss. All eight bays connect through this single controller, so storage performance scales with the installed drive mix.

How it compares

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

Price $3,556.99
Pricier than about 70% of the 17,641 comparable items (median $1,910.99).
Installed RAM 512 GB
Higher than about 80% 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 RAM512 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 many processors can this R940 scale to before hitting the socket limit?

The system ships with four Xeon Gold 6148 CPUs installed and the board supports a maximum of four processors, so the socket limit is already reached.

What is the power supply rating and redundancy when the server runs continuously?

Two hot-swap 1600 Watt platinum-efficiency power supplies provide full redundancy for sustained operation.

Which memory generation and form factor must already be on hand to expand the 512 GB installed?

DDR4 registered ECC DIMMs are required; the chassis has 48 slots supporting up to 6 TB total capacity.

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