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Silver 3U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 6148 2.4GHz 20-Core 128GB DDR4 H730P 2x 300GB SAS

SKU CH-5ERX-BWYZR

Four-socket 3U rack server with four 20-core Xeon Gold 6148 CPUs, 128 GB DDR4 ECC, H730P RAID, dual 10 GbE ports and redundant 1600 W power supplies

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

Installed Memory Size 128GB

HDD 2 x 300GB 10K SAS

CPU Model Gold 6148

  • Four Xeon Gold 6148 processors provide scalable compute performance in a 3U rack form factor
  • 128GB DDR4 registered ECC memory across 48 slots supports large in-memory workloads
  • PERC H730P controller with 2GB cache enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes
  • Dual 10Gb SFP+ and dual 1GbE ports on the X520/I350 daughter card deliver flexible network connectivity
  • iDRAC9 Enterprise and redundant 1600W platinum power supplies provide remote management and power resilience

Four-Socket Xeon Server for Mission-Critical

The Dell PowerEdge R940 is a 3U rack server built for organisations that run large databases, virtualisation clusters or real-time analytics. Four Intel Xeon Gold 6148 processors deliver eighty total cores at a 2.4 GHz base frequency, providing the parallel throughput those workloads demand. It ships with 128 GB of registered ECC DDR4 memory across eight modules, leaving forty empty slots for future expansion.

Sustained Multi-Core Performance

Under continuous load the four CPUs can reach a 3.7 GHz turbo frequency while the redundant 1600 W platinum power supplies maintain stable delivery. The 3U chassis provides sufficient airflow to keep all sockets within thermal limits during extended compute runs, avoiding the throttling that smaller form factors exhibit. iDRAC 9 Enterprise allows administrators to monitor temperatures, power draw and firmware health remotely without interrupting production.

Storage and Network Limits of the SAS Controller

The PERC H730P controller manages the two included 300 GB 10K SAS drives and supports RAID levels up to RAID 60 across the eight 2.5-inch bays, capping usable capacity at the drive count rather than the controller bandwidth. Network connectivity is handled by an Intel X520/I350 daughter card that provides two 1 GbE and two 10 Gb SFP+ ports, so total throughput is bounded by those four physical links rather than by the server backplane.

Highlights

  • Four Xeon Gold 6148 processors provide scalable compute performance in a 3U rack form factor
  • 128GB DDR4 registered ECC memory across 48 slots supports large in-memory workloads
  • PERC H730P controller with 2GB cache enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes
  • Dual 10Gb SFP+ and dual 1GbE ports on the X520/I350 daughter card deliver flexible network connectivity
  • iDRAC9 Enterprise and redundant 1600W platinum power supplies provide remote management and power resilience

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 Size128GB
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

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Questions about this item

How much heat and power do the four Xeon Gold 6148 CPUs at 2.4 GHz with 3.7 GHz turbo generate under continuous load?

The four 20-core Xeon Gold 6148 processors run at 2.4 GHz base and 3.7 GHz turbo; the redundant 1600 W platinum power supplies deliver the required power, and system fans scale with thermal load to keep temperatures in check.

What cabling and drive carriers must I already have to use the eight 2.5-inch SAS bays with the PERC H730P controller?

The chassis includes eight 2.5-inch SAS/SATA bays wired to the H730P; you only need SAS or SATA drives and the matching Dell drive carriers — cables and backplane are pre-installed.

Will my existing DDR4 2666 MHz registered ECC DIMMs work in the 48 memory slots alongside the installed 128 GB?

The system has 48 DDR4 slots supporting up to 6 TB; the installed 128 GB uses 8x 16 GB 2666 MHz registered ECC modules, so identical DDR4 RDIMMs can fill the remaining slots.

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