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DELL

DELL PowerEdge R940 3U Rack Server 4x Xeon Gold 6142 2.6GHz 16-Core 128GB DDR4 8x 2.5" Trays

SKU CH-156T-8R99Y

A 3U rack server with four 16-core Xeon Gold 6142 processors at 2.6 GHz, 128 GB DDR4 ECC memory, PERC H730P RAID controller, eight 2.5-inch SAS/SATA drive trays.

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count16-Core Processor
  • Four Xeon Gold 6142 processors deliver 64 total cores for heavy compute workloads
  • 128 GB DDR4 2666 MHz ECC memory supports large datasets and virtualisation
  • PERC H730P 2 GB controller enables RAID 0 1 5 6 10 50 60 with battery-backed cache
  • Eight 2.5 inch SAS SATA drive trays provide flexible storage expansion in 3U
  • Dual 1600 W platinum power supplies and iDRAC9 Enterprise ensure resilient remote management

Mission-critical compute density

The Dell PowerEdge R940 packs four Intel Xeon Gold 6142 processors at 2.6 GHz with 3.7 GHz turbo into a 3U rack chassis. Each CPU delivers 16 cores, giving 64 cores total. The system ships with 128 GB of DDR4 2666 MHz registered ECC memory across 48 slots and supports up to 6 TB maximum capacity.

Suits dense virtualization and database clusters

Organisations running heavy multi-threaded workloads, in-memory databases or large virtualisation farms gain from the four-socket design and high core count. Buyers who need only single-socket performance, fewer than 64 cores or a smaller rack footprint should consider alternative platforms. The eight 2.5-inch SAS/SATA trays leave drive selection open.

Four-socket Xeon Gold 6142 configuration

The defining specification is the factory-installed quartet of Xeon Gold 6142 CPUs, fixing the platform at 64 cores and 128 threads with LGA 3647 sockets. This determines licensing costs, memory scaling across 48 DDR4 slots and the 3U power envelope supplied by dual 1600 W platinum PSUs.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $1,889.99
Typical for this category: the median of 17,641 items is $1,910.99.
Installed RAM 128 GB
Typical for this category: the median of 15,103 items is 128 GB.
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R940
Model nameR940
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count16-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed2.6 GHz
Installed CPUs4
Max supported CPUs4
Memory
Installed RAM128 GB
Type of memoryDDR4
Maximum RAM capacity6 TB
Memory slot count48
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSATA/SAS
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height3U
Software
Operating systemNo

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 128GB DDR4 configuration or expand toward the 6TB maximum?

The system ships with 128GB across 8 slots; 40 slots remain free for DDR4 2666MHz registered ECC modules up to 6TB total.

What does the 2.6GHz base and 3.7GHz turbo mean when all four Xeon Gold 6142 CPUs are loaded?

Each 16-core processor runs at 2.6GHz base and can boost to 3.7GHz depending on thermal headroom and core count active.

How does the PERC H730P 12Gb/s SAS/SATA controller limit drive performance in the eight 2.5" trays?

The controller supports RAID 0/1/5/6/10/50/60 and pass-through at 12Gb/s per SAS lane, capping each tray to that throughput.

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