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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

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.60 GHz
  • CPU SocketLGA 3647

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.

Highlights

  • 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

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.60 GHz
CPU SocketLGA 3647
Number of CPU Cores16-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size512GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSAS
SSD (Installed)No
Raid LevelRAID 0/1/5/6/10/50/60
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
LAN Ports4 x Ports
Expansion SlotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

Other versions of this model

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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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