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Dell PowerEdge R940 3U rack server front view with bezel and drive trays

DELL

DELL PowerEdge R940 3U rack server 4x Xeon Gold 5118 2.3GHz 12-core 768GB DDR4

SKU CH-4Q85-7HFN4

3U rack server with four 12-core Xeon Gold 5118 CPUs at 2.3 GHz and 768 GB DDR4 ECC memory

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647

Installed Memory Size 768GB

HDD None

CPU Model Gold 5118

  • Four Xeon Gold 5118 processors deliver 48 cores at 2.3 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large datasets
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Dual 10 GbE SFP+ plus dual 1 GbE ports for high-speed networking
  • iDRAC 9 Enterprise gives full remote management with virtual console

Mission-critical 4-socket server

The Dell PowerEdge R940 is a 3U rack server built for organisations that run demanding workloads on Intel Xeon processors. Four Gold 5118 CPUs deliver 48 cores at 2.3 GHz with 3.2 GHz turbo for high-throughput compute. The platform targets databases, virtualisation clusters and analytics jobs that need maximum core density in a compact chassis.

Storage and network limits

The PERC H730P controller supports SATA and SAS drives across eight 2.5-inch trays with RAID 0, 1, 5, 6, 10, 50 and 60 modes. No drives are installed, so capacity and speed depend entirely on the disks you add. Networking is provided by an Intel X520/I350 daughter card offering two 1 GbE ports and two 10 Gb SFP+ ports; no additional onboard interfaces are present.

Memory ceiling decides fit

The system ships with 768 GB of DDR4-2400 registered ECC memory across 24 modules, leaving 24 of 48 slots free for expansion up to 6 TB. Buyers who need more memory than 6 TB cannot use this server, and workloads requiring a different memory generation will need another platform.

Points forts

  • Four Xeon Gold 5118 processors deliver 48 cores at 2.3 GHz base
  • 768 GB DDR4 ECC memory across 24 slots supports large datasets
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60
  • Dual 10 GbE SFP+ plus dual 1 GbE ports for high-speed networking
  • iDRAC 9 Enterprise gives full remote management with virtual console

Caractéristiques

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.30 GHz
CPU SocketLGA 3647
Number of CPU Cores12-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size768GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA/SAS
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 sur cet article

How do I choose between the four installed Xeon Gold 5118 processors and the maximum of four sockets?

All four sockets are already populated with Xeon Gold 5118 2.3GHz 12-core CPUs, so the system is at its processor limit and no further CPU upgrades are possible.

What does 768GB of DDR4 2400MHz memory mean for actual workloads?

The 24x 32GB registered ECC modules provide 768GB total, with 48 slots allowing expansion up to 6TB for larger in-memory databases or virtualisation clusters.

What does the PERC H730P 12Gb/s SAS/SATA controller cap in practice?

The H730P supports RAID 0/1/5/6/10/50/60 and pass-through at 12Gb/s per lane, limited by the eight 2.5" drive bays and the installed 2GB cache battery.

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