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Silver 3U rack server front with eight 2.5-inch drive bays and bezel

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 6148 2.4 GHz 20-core 64GB DDR4

SKU CH-SYFG-NTVSZ

Four-socket 3U rack server with four 20-core Xeon Gold 6148 processors at 2.4 GHz, 64 GB DDR4, PERC H730P controller, dual 10 GbE SFP+ networking, iDRAC9 Enterprise 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 64GB

HDD 2 x 300GB 10K SAS

CPU Model Gold 6148

  • Four Intel Xeon Gold 6148 processors provide 20 cores each at 2.4 GHz with 3.7 GHz turbo
  • 64 GB DDR4 2666 MHz registered ECC memory installed across 48 total slots
  • Dell PERC H730P 2 GB RAID controller supports RAID 0, 1, 5, 6, 10, 50, 60 and pass-through
  • Dual Intel X520/I350 network daughter card delivers two 1 GbE and two 10 Gb SFP+ ports
  • iDRAC9 Enterprise remote management plus redundant 1600 W platinum power supplies with rails and bezel

Dell PowerEdge R940 four-socket 3U server

The Dell PowerEdge R940 is a 3U rack server populated with four Intel Xeon Gold 6148 processors, each running at 2.40 GHz with 20 cores. It ships with 64 GB of DDR4 2666 MHz registered ECC memory across 48 DIMM slots, a PERC H730P 2 GB SAS controller, and dual 1600 W platinum power supplies.

Suited for dense multi-socket workloads.

This configuration suits organisations that need maximum core density in a 3U form factor for virtualisation hosts, in-memory databases or high-throughput transaction processing. Buyers who need a smaller chassis, lower power draw, or a single-socket platform should evaluate other form factors.

Four Xeon Gold 6148 CPUs locked to LGA 3647

The decisive specification is the four-socket LGA 3647 population with Xeon Gold 6148 processors; the board cannot accept more than four CPUs and the installed 64 GB uses only a fraction of the 48 available slots, so memory expansion is the primary scaling path.

Highlights

  • Four Intel Xeon Gold 6148 processors provide 20 cores each at 2.4 GHz with 3.7 GHz turbo
  • 64 GB DDR4 2666 MHz registered ECC memory installed across 48 total slots
  • Dell PERC H730P 2 GB RAID controller supports RAID 0, 1, 5, 6, 10, 50, 60 and pass-through
  • Dual Intel X520/I350 network daughter card delivers two 1 GbE and two 10 Gb SFP+ ports
  • iDRAC9 Enterprise remote management plus redundant 1600 W platinum power supplies with rails and bezel

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 Size64GB
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

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How loud and hot does the R940 get when all four Xeon Gold 6148 CPUs run at 2.4 GHz continuously?

Dual 1600 Watt platinum power supplies deliver redundant power; the 3U chassis uses multiple hot-swap fans that scale speed with CPU load to keep temperatures in spec during sustained 20-core operation.

Which drive trays and cables must I already have to populate the eight 2.5-inch SAS bays?

The server includes a PERC H730P 2GB controller and backplane for eight 2.5-inch SAS/SATA bays; standard Dell 2.5-inch hot-swap caddies and SAS cables are required for additional drives.

Will my existing DDR4 2666 MHz registered ECC DIMMs work alongside the four 16 GB modules already installed?

Yes, the R940 has 48 DDR4 slots supporting up to 6 TB; the installed 64 GB uses four 16 GB 2666 MHz RDIMMs, so matching registered ECC modules at the same speed will interleave correctly.

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