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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 6142 2.6GHz 16-core 512GB DDR4 8× 600GB SAS H730P

SKU CH-1XVA-Q9GWZ

A 3U rack server with four 16-core Xeon Gold 6142 processors, 512GB DDR4 memory, eight 600GB SAS drives on a H730P controller, dual 10GbE ports and redundant 1600W power supplies

  • ProcessorIntel Xeon
  • Installed RAM512 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count16-Core Processor

Installed Memory Size 512GB

HDD 8 x 600GB 10K SAS

CPU Model Gold 6142

  • 64 cores at 2.6 GHz with 3.7 GHz turbo for heavy parallel workloads
  • 512 GB DDR4 ECC memory across 48 slots supports large in-memory datasets
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with battery-backed cache
  • Eight 600 GB 10K SAS drives deliver fast redundant storage in 2.5" bays
  • Dual 1600 W platinum power supplies plus iDRAC9 Enterprise ensure uptime and remote control

Mission-critical compute platform

The Dell PowerEdge R940 is a 3U rack server built for organisations that need four-socket performance in a compact footprint. It ships with four Intel Xeon Gold 6142 processors running at 2.6 GHz with 16 cores each and 512 GB of DDR4 registered ECC memory. The system targets database, virtualisation and analytics workloads that demand high core counts and large memory capacity.

Redundant power and efficient cooling

Dual 1600 W platinum-efficiency power supplies provide full redundancy with hot-swap capability. The 3U chassis uses Dell's engineered airflow design to cool four processors and eight 2.5-inch drives within standard rack environmental limits. Idle power draw remains proportional to the configured workload while the power supplies maintain high efficiency across the load range.

Sustained multi-socket throughput

Under continuous load all 64 cores maintain 2.6 GHz base frequency with turbo headroom to 3.7 GHz when thermal conditions allow. The PERC H730P controller with 2 GB cache sustains RAID 0, 1, 5, 6, 10, 50 and 60 across eight 600 GB 10K SAS drives. Quad-port networking with two 1 GbE and two 10 Gb SFP+ links keeps data moving without bottleneck during extended compute jobs.

How it compares

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

Price $3,812.99
Pricier than about 71% 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 count16-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.6 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 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 install the 48 DDR4 memory modules into the R940 and which population rule do people miss?

Populate all 48 slots evenly across the four CPU sockets following the 16 DIMMs per processor sequence shown in the service manual; the step most installers skip is matching identical 32 GB modules per channel to keep 2666 MHz speed.

Which components in this server will need replacement first during continuous operation?

The eight 600 GB 10K SAS drives and the PERC H730P controller battery are the parts most likely to wear out first during continuous operation.

What thermal or power limit appears first when all four Xeon Gold 6142 CPUs run at 3.7 GHz turbo under sustained load?

The dual 1600 W platinum power supplies set the ceiling; once combined CPU and memory draw approaches their rated output the system will throttle before any thermal trip point is reached.

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