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Silver 1U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R640 1U rack server 2× Xeon Gold 6142 2.6GHz 16-core 768GB DDR4 8× 2.4TB SAS H730P

SKU CH-YET0-ZQ4A5

A 1U rack server with dual 16-core Xeon Gold 6142 CPUs, 768GB DDR4, eight 2.4TB SAS drives and a H730P RAID controller

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.60 GHz
  • CPU SocketLGA 3647
  • Dual Xeon Gold 6142 CPUs deliver 32 cores at 2.6 GHz base with 3.7 GHz turbo
  • 768 GB DDR4 ECC memory across 24 slots supports large workloads
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery backup
  • Eight 2.4 TB 10K SAS drives provide high-capacity enterprise storage
  • Quad-port network card adds dual 1 GbE and dual 10 GbE SFP+ connectivity

Dual-socket 1U server

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data centre workloads. It ships with two Intel Xeon Gold 6142 processors running at 2.6 GHz, each offering 16 cores and a 3.7 GHz turbo frequency. The system includes 768 GB of DDR4-2666 registered ECC memory across all 24 DIMM slots.

Suits virtualisation hosts needing maximum core

This configuration targets environments that prioritise core count and memory capacity within a single rack unit. The dual 16-core CPUs and 768 GB DDR4 support heavy virtual machine consolidation or in-memory databases. Buyers who need more than two processors, solid-state drives, or a different drive-count layout should look at alternative platforms.

PERC H730P 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 2.4 TB 10K SAS hard drives are installed, providing high-capacity rotational storage. The controller and drive set define the storage performance and redundancy options available.

Highlights

  • Dual Xeon Gold 6142 CPUs deliver 32 cores at 2.6 GHz base with 3.7 GHz turbo
  • 768 GB DDR4 ECC memory across 24 slots supports large workloads
  • PERC H730P controller enables RAID 0, 1, 5, 6, 10, 50, 60 with battery backup
  • Eight 2.4 TB 10K SAS drives provide high-capacity enterprise storage
  • Quad-port network card adds dual 1 GbE and dual 10 GbE SFP+ connectivity

Specifications

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.60 GHz
CPU SocketLGA 3647
Number of CPU Cores16-Core Processor
# of Processors Installed2
MAX Processors2
ChipsetIntel C620
Installed Memory Size768GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
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 3 PCIe Gen 3 slots all x16
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

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Questions about this item

What rack height and rail kit does the 1U R640 require?

The server occupies 1U of rack space and ships with Ready Rails for tool-less mounting in standard four-post racks.

How are the 24 DDR4 DIMMs and two Xeon Gold 6142 processors installed, and what step is often missed?

Populate all 24 slots with 32 GB registered ECC modules across both CPU sockets; the step often missed is enabling the memory training sequence in the BIOS after first boot.

Which components will need replacement first — the PERC H730P battery or the 2.4 TB SAS drives?

The RAID controller battery typically reaches end of life after 3–5 years, while the 10 K SAS drives are rated for a 2.5 million-hour MTBF.

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