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

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 5120 2.2GHz 14 Core 768GB DDR4 2x 300GB SAS H730P

SKU CH-2T91-6WHPC

A 3U rack server with four 14-core Xeon processors, 768GB DDR4 memory, H730P RAID controller, two 300GB SAS drives, quad-port networking, iDRAC9 Enterprise and redundant 1600W power supplies

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.20 GHz
  • CPU SocketLGA 3647
  • Four Intel Xeon Gold 5120 processors deliver 14 cores each at 2.2 GHz base frequency
  • 768 GB DDR4 ECC memory installed across 24 slots with 48 total slots for expansion
  • Dell PERC H730P 2 GB controller supports RAID 0 1 5 6 10 50 60 for flexible storage protection
  • Dual 1600 W platinum power supplies and iDRAC 9 Enterprise enable continuous uptime and remote management
  • Quad-port network card provides two 1 GbE and two 10 Gb SFP+ connections for high-speed networking

4-Socket 3U Server for Mission-Critical Workloads

The Dell PowerEdge R940 is a 3U rack server built for demanding enterprise applications. It ships with four Intel Xeon Gold 5120 processors, each running at 2.2 GHz with 14 cores. The system includes 768 GB of DDR4 registered ECC memory across 24 modules. It targets organisations that need dense compute capacity in a compact form factor.

Upgrade Path from Dual-Socket Platforms

Moving from a two-socket server to this four-socket configuration doubles the available processor cores and memory channels. The jump is worthwhile when workloads such as large databases, virtualisation clusters or real-time analytics exceed the memory bandwidth or core count of a dual-socket box. The platform supports up to 6 TB of DDR4 across 48 slots, allowing significant future expansion without replacing the chassis.

Rack Installation with Redundant Power

The unit mounts in a standard rack using the included rails and occupies 3U of space. Two hot-swap 1600 W platinum power supplies provide redundancy and simplify maintenance. The PERC H730P controller manages the two included 300 GB 10K SAS drives and supports additional SAS or SATA devices. Remote administration is handled by iDRAC9 Enterprise, reducing the need for physical console access during deployment or troubleshooting.

Pontos fortes

  • Four Intel Xeon Gold 5120 processors deliver 14 cores each at 2.2 GHz base frequency
  • 768 GB DDR4 ECC memory installed across 24 slots with 48 total slots for expansion
  • Dell PERC H730P 2 GB controller supports RAID 0 1 5 6 10 50 60 for flexible storage protection
  • Dual 1600 W platinum power supplies and iDRAC 9 Enterprise enable continuous uptime and remote management
  • Quad-port network card provides two 1 GbE and two 10 Gb SFP+ connections for high-speed networking

Especificações

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.20 GHz
CPU SocketLGA 3647
Number of CPU Cores14-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 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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Perguntas sobre este artigo

What rack dimensions does the 3U R940 chassis require for mounting?

The server occupies 3U of vertical space in a standard rack and includes Dell Ready Rails for tool-less installation.

How are the four Xeon Gold 5120 processors and 24 DDR4 memory modules installed, and what step is commonly missed?

All four LGA 3647 sockets and 48 DDR4 slots are factory-populated; the step often missed is seating each DIMM until the ejector clips click to ensure ECC registration.

When will the PERC H730P controller battery and the 300GB 10K SAS drives need replacement?

The H730P 2GB battery typically lasts three to five years before cache protection degrades, while the 300GB 10K SAS drives should be monitored via SMART and replaced when reallocated sectors appear.

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