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Dell PowerEdge R940 3U rack server front view with bezel and eight 2.5 inch drive bays

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 5120 2.2GHz 14-Core 128GB DDR4 H730P 2x 300GB SAS

SKU CH-91X3-PJNFV

A 3U rack server with four 14-core Xeon Gold 5120 processors at 2.2 GHz, 128 GB DDR4 ECC memory, PERC H730P RAID controller, dual 300 GB 10K SAS drives, quad-port 1/10 GbE networking.

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count14-Core Processor
  • Four Intel Xeon Gold 5120 processors at 2.2 GHz turbo to 3.2 GHz
  • 128 GB DDR4 registered ECC memory across 48 slots expandable to 6 TB
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60
  • Two 300 GB 10 K SAS drives plus X520/I350 quad-port 1 GbE and 10 Gb SFP+
  • iDRAC 9 Enterprise remote management with dual 1600 W platinum power supplies

Four-Socket Xeon Server for Mission-Critical

The PowerEdge R940 fits four Intel Xeon Gold 5120 processors in a 3U rack chassis. Each CPU delivers 14 cores at 2.2 GHz with 3.2 GHz turbo capability. The system ships with 128 GB of DDR4 registered ECC memory across 48 slots. It targets organisations running databases, virtualisation or analytics that require high core density in limited rack space.

Redundant 1600 W Platinum Power Supplies

Two 1600 watt platinum-efficiency power supplies provide full redundancy and hot-swap replacement. The 3U form factor uses forced-air cooling across the processor and memory zones. Fan speeds adjust to workload while maintaining thermal margins for all four sockets. Redundant power and hot-swap components keep the platform running during maintenance or a supply failure.

PERC H730P RAID, Dual 300 GB SAS Drives

A PERC H730P controller with 2 GB cache supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. Two 300 GB 10 K SAS drives install in the front 2.5 inch bays. The Intel X520/I350 daughter card adds two 1 GbE and two 10 Gb SFP+ ports. iDRAC9 Enterprise enables remote power control, console redirection and firmware updates without an operating system.

How it compares

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

Price $2,092.99
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 count14-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.2 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

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Questions about this item

How are the four Xeon Gold 5120 processors installed, and what step is often missed?

The four processors mount in LGA 3647 sockets on the system board; the step often missed is applying the correct torque sequence to each retention bracket so all 14-core CPUs make even contact.

What maintenance or replacement will the PERC H730P controller need later?

The PERC H730P includes a 2 GB cache backed by a battery; that battery will degrade and require replacement to keep write-back caching and RAID 0/1/5/6/10/50/60 protection reliable.

What limit appears first when the 2x 300 GB 10K SAS drives run sustained workloads?

The 300 GB capacity and 10K spindle speed limit sustained write throughput and total space before the 12 Gb/s SAS interface or H730P controller become bottlenecks.

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