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Dell PowerEdge R940 3U rack server front view with bezel and eight 2.5 inch drive bays

DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 5120 2.2GHz 14-Core 128GB DDR4 H730P 2x 300GB SAS

SKU CH-91X3-PJNFV

A 3U rack server with four 14-core Xeon Gold 5120 processors at 2.2 GHz, 128 GB DDR4 ECC memory, PERC H730P RAID controller, dual 300 GB 10K SAS drives, quad-port 1/10 GbE networking.

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.20 GHz
  • CPU SocketLGA 3647
  • Four Intel Xeon Gold 5120 processors at 2.2 GHz turbo to 3.2 GHz
  • 128 GB DDR4 registered ECC memory across 48 slots expandable to 6 TB
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60
  • Two 300 GB 10 K SAS drives plus X520/I350 quad-port 1 GbE and 10 Gb SFP+
  • iDRAC 9 Enterprise remote management with dual 1600 W platinum power supplies

Four-Socket Xeon Server for Mission-Critical

The PowerEdge R940 fits four Intel Xeon Gold 5120 processors in a 3U rack chassis. Each CPU delivers 14 cores at 2.2 GHz with 3.2 GHz turbo capability. The system ships with 128 GB of DDR4 registered ECC memory across 48 slots. It targets organisations running databases, virtualisation or analytics that require high core density in limited rack space.

Redundant 1600 W Platinum Power Supplies

Two 1600 watt platinum-efficiency power supplies provide full redundancy and hot-swap replacement. The 3U form factor uses forced-air cooling across the processor and memory zones. Fan speeds adjust to workload while maintaining thermal margins for all four sockets. Redundant power and hot-swap components keep the platform running during maintenance or a supply failure.

PERC H730P RAID, Dual 300 GB SAS Drives

A PERC H730P controller with 2 GB cache supports RAID 0, 1, 5, 6, 10, 50 and 60 plus pass-through mode. Two 300 GB 10 K SAS drives install in the front 2.5 inch bays. The Intel X520/I350 daughter card adds two 1 GbE and two 10 Gb SFP+ ports. iDRAC9 Enterprise enables remote power control, console redirection and firmware updates without an operating system.

Highlights

  • Four Intel Xeon Gold 5120 processors at 2.2 GHz turbo to 3.2 GHz
  • 128 GB DDR4 registered ECC memory across 48 slots expandable to 6 TB
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60
  • Two 300 GB 10 K SAS drives plus X520/I350 quad-port 1 GbE and 10 Gb SFP+
  • iDRAC 9 Enterprise remote management with dual 1600 W platinum power supplies

Specifications

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 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 are the four Xeon Gold 5120 processors installed, and what step is often missed?

The four processors mount in LGA 3647 sockets on the system board; the step often missed is applying the correct torque sequence to each retention bracket so all 14-core CPUs make even contact.

What maintenance or replacement will the PERC H730P controller need later?

The PERC H730P includes a 2 GB cache backed by a battery; that battery will degrade and require replacement to keep write-back caching and RAID 0/1/5/6/10/50/60 protection reliable.

What limit appears first when the 2x 300 GB 10K SAS drives run sustained workloads?

The 300 GB capacity and 10K spindle speed limit sustained write throughput and total space before the 12 Gb/s SAS interface or H730P controller become bottlenecks.

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