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

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 6148 2.4GHz 20-core 128GB DDR4

SKU CH-S0RN-GVDEF

Four-socket 3U rack server with four 20-core 2.4 GHz Xeon processors, 128 GB DDR4 memory, PERC H730P controller and eight 2.5-inch drive trays

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

Installed Memory Size 128GB

HDD None

CPU Model Gold 6148

  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz base speed
  • 128 GB DDR4 2666 MHz registered ECC memory installed across 8 modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60
  • Intel X520/I350 quad-port card adds 2× 1 GbE and 2× 10 Gb SFP+
  • iDRAC 9 Enterprise enables full remote management with dual 1600 W redundant power

Four-socket Xeon server for mission-critical

The Dell PowerEdge R940 is a 3U rack server built around four Intel Xeon Gold 6148 processors. Each CPU delivers 20 cores at 2.40 GHz with a 3.7 GHz turbo frequency. The system ships with 128 GB of DDR4 2666 MHz registered ECC memory across 48 slots, supporting up to 6 TB total capacity. It targets organisations running databases, virtualisation or analytics that demand high core counts and large memory footprints in a compact rack form factor.

Redundant 1600 W platinum power supplies

Dual 1600 watt platinum-efficiency power supplies provide full redundancy and hot-swap replacement. The chassis includes eight 2.5-inch SAS/SATA drive trays served by a Dell PERC H730P 2 GB controller with battery-backed cache supporting RAID 0, 1, 5, 6, 10, 50 and 60. Network connectivity uses an Intel X520/I350 quad-port daughter card offering two 1 GbE and two 10 Gb SFP+ ports. iDRAC 9 Enterprise enables remote management without operating-system dependence.

Sustained multi-threaded throughput

Under continuous load the four 20-core processors maintain high aggregate thread counts for parallel workloads such as in-memory databases or large virtual-machine fleets. The 48 DIMM slots allow memory capacity to grow with demand, preserving bandwidth per core as datasets expand. Hot-swap power and drive bays let administrators replace components without downtime, while the PERC H730P controller offloads parity calculations during prolonged rebuild or scrub operations. Ready rails and a front bezel are included for immediate rack integration.

Points forts

  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz base speed
  • 128 GB DDR4 2666 MHz registered ECC memory installed across 8 modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60
  • Intel X520/I350 quad-port card adds 2× 1 GbE and 2× 10 Gb SFP+
  • iDRAC 9 Enterprise enables full remote management with dual 1600 W redundant power

Caractéristiques

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 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 install the 48 DDR4 DIMMs and what step is often missed?

Populate all 48 slots in the CPU-specific sequence shown on the air-baffle label; the step most often missed is seating each module until both ejector clips click, otherwise the system will not POST.

Which components will need replacement during the server's life?

The H730P controller's 2 GB cache battery, the two 1600 W hot-swap power supplies, and any SAS or SATA drives you add to the eight 2.5" trays are the field-replaceable items.

What limit appears first when all four Xeon Gold 6148 CPUs run sustained 3.7 GHz turbo workloads?

The dual 1600 W platinum power supplies set the thermal and electrical ceiling before the processors can hold maximum turbo indefinitely.

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