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

DELL

DELL PowerEdge R640 8B 2x Xeon Gold 6136 24-Core 256GB DDR4 rack server

SKU CH-J1HH-NZZFM

Rackmount server with dual 12-core Xeon Gold 6136 CPUs, 256GB DDR4, H740P RAID and ten drive trays

  • TypeRackmount
  • LEDsPower, Ethernet, USB
  • CPU TypeGold 6136
  • CPU Speed3.00GHz
  • Number of CPU Cores12
  • # of Processors Installed2
  • Dual Xeon Gold 6136 CPUs deliver 24 cores at 3.0GHz for heavy virtualization
  • 256GB DDR4 ECC memory supports memory-intensive workloads and multi-tenant environments
  • H740P RAID controller simplifies storage management and setup
  • 10GbE X540 plus 1GbE I350 networking provides high-throughput connectivity
  • Eight 2.5-inch hot-swap drive bays let you choose capacity and drive type

Dual Xeon Gold 6136 virtualisation server

The Dell PowerEdge R640 is a 1U rackmount system equipped with two Intel Xeon Gold 6136 processors running at 3.00GHz. Together they provide 24 cores and 256GB of DDR4 ECC registered memory. A PERC H740P RAID controller and ten hot-swap 2.5-inch drive trays are included for storage configuration.

Suited to memory-heavy multi-tenant workloads

This configuration targets virtual desktop infrastructure, database clusters and high-transaction application hosting where core count and memory throughput matter. Organisations needing GPU acceleration, single-thread frequency above 3.00GHz or capacities beyond the 3TB DDR4 ceiling should evaluate alternative platforms.

256GB DDR4 ECC registered memory installed

The system ships with 256GB of DDR4 ECC registered RAM across its memory slots, supporting expansion up to 3TB total capacity. This baseline fits many virtualisation clusters, and additional modules can be added to match specific workload density requirements.

Highlights

  • Dual Xeon Gold 6136 CPUs deliver 24 cores at 3.0GHz for heavy virtualization
  • 256GB DDR4 ECC memory supports memory-intensive workloads and multi-tenant environments
  • H740P RAID controller simplifies storage management and setup
  • 10GbE X540 plus 1GbE I350 networking provides high-throughput connectivity
  • Eight 2.5-inch hot-swap drive bays let you choose capacity and drive type

Specifications

BrandDELL
TypeRackmount
LEDsPower, Ethernet, USB
CPU TypeGold 6136
CPU Speed3.00GHz
Number of CPU Cores12
# of Processors Installed2
MAX Processors2
Installed Memory Size256GB
Memory TypeDDR4
Max Memory Capacity3TB
GPU TypeIntegrated
Expansion Bays8B - 8x 2.5"
Operating SystemNo
Weight60

Questions about this item

How do I add more DDR4 memory beyond the 256GB installed?

The server supports up to 3TB of DDR4 ECC Registered memory across its DIMM slots, so additional modules can be installed as workloads grow.

Which component reaches its ceiling first during continuous heavy compute?

The two Xeon Gold 6136 processors provide 24 cores total at 3.0GHz base clock; sustained all-core turbo will hit thermal and power limits before memory bandwidth saturates.

What noise and heat should I expect when the R640 runs 24/7 in a rack?

Dual 12-core CPUs and the H740P controller draw significant power, so the chassis fans ramp up under load, producing noticeable airflow noise and exhaust heat typical for 1U density.

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