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Silver 1U rack server front with eight 2.5-inch drive bays and bezel

DELL

DELL PowerEdge R640 1U rack server 2× Xeon Gold 5118 2.3GHz 12-core 768GB DDR4 8× 600GB SAS H730P

SKU CH-20CP-20PEE

A 1U rack server with dual Xeon Gold 5118 processors, 768GB DDR4 memory, eight 600GB SAS drives and a PERC H730P controller for dense scale-out computing

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.30 GHz
  • CPU SocketLGA 3647
  • 24 cores at 2.3 GHz base with 3.2 GHz turbo for dense compute
  • 768 GB DDR4 ECC across 24 slots supports memory-intensive workloads
  • H730P controller with 2 GB cache enables RAID 0/1/5/6/10/50/60
  • Eight 600 GB 10K SAS drives deliver fast storage in 2.5" bays
  • Quad-port X520/I350 provides 2× 1 GbE and 2× 10 Gb SFP+ connectivity

Platform Identity

The Dell PowerEdge R640 is a dual-socket 1U rack server built for dense scale-out data centre workloads. Two Intel Xeon Gold 5118 processors at 2.3 GHz with 12 cores each deliver 24 threads, while 768 GB of DDR4 registered ECC memory fills all 24 DIMM slots. The PERC H730P controller manages eight 600 GB 10 K SAS drives in a 2.5 inch hot-swap chassis. Quad-port networking with dual 1 GbE and dual 10 Gb SFP+ plus iDRAC9 Enterprise remote management complete the package.

Fit and Exclusions

This configuration suits buyers who need maximum core density and memory capacity in a single rack unit with redundant 750 W power supplies and ready rails. It is not suited for buyers who require more than two processors, more than 768 GB of installed memory, or storage interfaces beyond SAS and SATA. The fixed 1U form factor also excludes workloads that demand full-height expansion cards or larger drive bays.

Deciding Specification

The storage controller is a Dell PERC H730P 2 GB 12 Gb/s SAS/SATA RAID controller supporting RAID 0, 1, 5, 6, 10, 50, 60 and pass-through modes. Eight 600 GB 10 K SAS drives are installed in the 2.5 inch bays. If the deployment requires this specific controller and drive set, the server matches; otherwise a different chassis or controller should be chosen.

Highlights

  • 24 cores at 2.3 GHz base with 3.2 GHz turbo for dense compute
  • 768 GB DDR4 ECC across 24 slots supports memory-intensive workloads
  • H730P controller with 2 GB cache enables RAID 0/1/5/6/10/50/60
  • Eight 600 GB 10K SAS drives deliver fast storage in 2.5" bays
  • Quad-port X520/I350 provides 2× 1 GbE and 2× 10 Gb SFP+ connectivity

Specifications

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.30 GHz
CPU SocketLGA 3647
Number of CPU Cores12-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 width do the included Ready Rails support for this 1U server?

The supplied Ready Rails mount the 1U chassis in a standard four-post rack; depth adjusts to fit common cabinet sizes.

How are the two Xeon Gold 5118 processors and 24 DDR4 DIMMs installed, and what step is often missed?

Both CPUs are pre-installed in the LGA 3647 sockets; the 24 registered ECC modules fill every slot, so the common error is skipping the memory-configuration step in BIOS after first boot.

Which parts will need replacement first in this configuration with eight 600GB SAS drives and a PERC H730P controller?

The 10K SAS drives and the controller's battery-backed cache are the primary wear items; plan to swap drives on SMART alerts and replace the cache battery per the maintenance schedule.

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