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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 4x Xeon Gold 6142 2.6GHz 16C 768GB DDR4 8x 600GB SAS H730P

SKU CH-3J27-NZWZJ

3U rack server with four 16-core Xeon Gold 6142 CPUs, 768GB DDR4 ECC memory, PERC H730P RAID controller and eight 600GB 10K SAS drives

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.60 GHz
  • CPU SocketLGA 3647

Installed Memory Size 768GB

HDD 8 x 600GB 10K SAS

CPU Model Gold 6142

  • Four 16-core Xeon Gold 6142 CPUs deliver 64 total cores
  • 768 GB DDR4 registered ECC memory across 24 slots
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60
  • Eight 600 GB 10 K SAS drives in 2.5" bays
  • Dual 1600 W platinum supplies plus iDRAC9 Enterprise management

3U Rack Server with Four Xeon Gold 6142 CPUs

The Dell PowerEdge R940 is a 3U rack-mount system built for dense, mission-critical workloads. Four Intel Xeon Gold 6142 processors run at 2.6 GHz with 16 cores each, delivering 64 total cores. The chassis includes redundant hot-swap 1600 Watt platinum power supplies and ships with rails and a front bezel.

Suited for Multi-Socket Database

This configuration targets organisations that need maximum core count and memory capacity in a single 3U footprint. The 768 GB of DDR4 registered ECC memory across 24 slots supports large in-memory databases and heavy virtualisation density. Buyers who require GPU acceleration, more than eight internal drive bays or single-thread speeds above 3.7 GHz should evaluate alternative platforms.

PERC H730P RAID Controller

Storage is handled by a Dell PERC H730P 2 GB controller supporting RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes. Eight 2.5-inch 10K SAS drives provide 600 GB each at 12 Gb/s interface speed. Network connectivity comes from an Intel X520/I350 daughter card with two 1 GbE and two 10 Gb SFP+ ports, managed remotely via iDRAC 9 Enterprise.

Highlights

  • Four 16-core Xeon Gold 6142 CPUs deliver 64 total cores
  • 768 GB DDR4 registered ECC memory across 24 slots
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60
  • Eight 600 GB 10 K SAS drives in 2.5" bays
  • Dual 1600 W platinum supplies plus iDRAC9 Enterprise management

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.60 GHz
CPU SocketLGA 3647
Number of CPU Cores16-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

Other versions of this model

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

Questions about this item

Should I pick the 768 GB DDR4 configuration or add more modules up to the 6 TB maximum?

The system ships with 24 × 32 GB DDR4 2666 MHz registered ECC modules filling 24 of the 48 slots. Adding more identical modules later is straightforward; the 6 TB ceiling is only reached when every slot is populated with larger-capacity DIMMs.

What does the 2.6 GHz base clock with 3.7 GHz turbo mean for sustained workloads?

Each of the four Xeon Gold 6142 processors runs at 2.6 GHz base and can boost to 3.7 GHz on active cores. Under continuous multi-threaded load the chips will settle near the base frequency, while bursty tasks benefit from the higher turbo headroom.

How does the 12 Gb/s SAS H730P controller limit the eight 600 GB 10K drives?

The PERC H730P provides 12 Gb/s SAS connectivity and 2 GB cache with battery backup. The eight 600 GB 10K SAS drives operate at their full 12 Gb/s interface speed, and the controller supports RAID 0, 1, 5, 6, 10, 50 and 60 without bottlenecking the drive throughput.

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