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Silver 3U rack server front with eight drive bays and bezel

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 6148 2.4GHz 20C 512GB DDR4 2x 400GB SSD H730P

SKU CH-EVM5-AJ1QT

A 3U rack server with four 20-core Xeon Gold 6148 processors, 512GB DDR4, a PERC H730P RAID controller and two 400GB SATA SSDs

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647

CPU Model Gold 6148

  • Four Xeon Gold 6148 CPUs provide 20 cores each for parallel workloads
  • 512GB DDR4 2666MHz ECC memory supports large datasets
  • PERC H730P 2GB controller enables RAID 0/1/5/6/10/50/60
  • Dual 400GB SATA SSDs deliver fast read performance
  • iDRAC 9 Enterprise allows remote server management

Purpose-built for dense compute

The Dell PowerEdge R940 is a 3U rack server equipped with four Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores and a 3.7 GHz turbo frequency. It ships with 512 GB of DDR4 2666 MHz registered ECC memory across 16 modules. The system targets organisations running mission-critical workloads that demand high core counts and large memory capacity in a compact form factor.

Verify rack space, power and network readiness

Confirm your rack can accommodate a 3U chassis and that the facility provides redundant power circuits for the two 1600 W platinum power supplies. The server uses LGA 3647 sockets and the Intel C620 chipset, so any processor upgrades must match that platform. Network connectivity relies on a quad-port daughter card delivering two 1 GbE and two 10 Gb SFP+ links; ensure your switching infrastructure supports those interfaces.

Integrates storage, management and expansion

The PERC H730P controller with 2 GB cache manages the two installed 400 GB SATA SSDs and supports RAID levels 0, 1, 5, 6, 10, 50 and 60 across up to eight 2.5-inch drive bays. iDRAC 9 Enterprise provides out-of-band remote management for deployment and monitoring. Forty-eight DIMM slots allow memory expansion up to 6 TB, while the four-socket design is already fully populated, leaving CPU upgrades as a socket-compatible replacement path only.

Highlights

  • Four Xeon Gold 6148 CPUs provide 20 cores each for parallel workloads
  • 512GB DDR4 2666MHz ECC memory supports large datasets
  • PERC H730P 2GB controller enables RAID 0/1/5/6/10/50/60
  • Dual 400GB SATA SSDs deliver fast read performance
  • iDRAC 9 Enterprise allows remote server management

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.40 GHz
CPU SocketLGA 3647
Number of CPU Cores20-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 InterfaceSATA
SSD (Installed)2 x 400GB SATA SSD
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

What comes in the box with the PowerEdge R940 and what must be purchased separately?

The server ships with four Xeon Gold 6148 processors, 512 GB DDR4 in 16 modules of 32 GB, two 400 GB SATA SSDs, the PERC H730P 2 GB controller, a quad-port X520/I350 network card, iDRAC9 Enterprise, two 1600 W redundant power supplies, ready rails and a front bezel. Additional drives or memory must be bought separately.

Which memory capacity should I choose for this R940?

The unit already has 512 GB installed across 16 of the 48 DDR4 slots using 32 GB modules. You can expand up to 6 TB by adding more 32 GB DDR4 registered ECC DIMMs if your workload needs more capacity.

What does the 2.4 GHz base speed with 3.7 GHz turbo mean when the server is running real workloads?

All four 20-core Xeon Gold 6148 CPUs run at 2.4 GHz under sustained load; when fewer cores are active the processor can boost individual cores up to 3.7 GHz for short bursts, improving single-thread responsiveness in mixed workloads.

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