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Black 1U rack server front with ten 2.5 inch drive bays and status LEDs

DELL

DELL PowerEdge R640 10B 36-Core 2x Xeon Gold 6154 3.0GHz 512GB DDR4 Rack Server

SKU CH-AQ6D-ACW83

Rackmount server with dual 18-core Xeon Gold 6154 CPUs at 3.0GHz, 512GB DDR4, and ten 2.5-inch drive bays

  • ProcessorGold 6154
  • Installed RAM512 GB
  • Processor core count18
  • Operating systemNo
  • Type of memoryDDR4
  • Processor socketLGA3647
  • Dual Xeon Gold 6154 CPUs deliver 36 total cores for heavy virtualization workloads
  • 512 GB DDR4 memory supports large-scale databases and multiple virtual machines simultaneously
  • Ten 2.5-inch drive bays let you configure storage capacity and type to match requirements
  • 1U rack-mount chassis fits standard data-centre cabinets and saves valuable floor space
  • Integrated X540/I350 network controllers provide dual 10 GbE and dual 1 GbE connectivity

Virtualization-ready rack server

The Dell PowerEdge R640 is a 1U rackmount server system designed for business workloads such as virtualization, databases, file storage and application hosting. It ships with two Intel Xeon Gold 6154 processors, each running at 3.0 GHz with 18 cores for a total of 36 cores. The system includes 512 GB of DDR4 memory to support multiple virtual machines and data-heavy applications.

High-density compute for data centres

This server suits IT teams building dense compute clusters in rack environments where core count and memory capacity matter more than local storage. Organisations that require pre-installed operating systems, large internal drive arrays or GPU acceleration for AI workloads should evaluate alternative platforms. The chassis provides ten 2.5-inch drive bays without drives installed, letting buyers select capacity and media type independently.

512 GB DDR4 with 3 TB ceiling

The installed 512 GB of DDR4 memory comfortably handles dozens of concurrent virtual machines, database instances and backup jobs. Headroom extends to a maximum of 3 TB across the platform, allowing significant expansion as workloads grow. Dual Xeon Gold 6154 CPUs deliver 36 threads at 3.0 GHz, scaling well for multi-threaded services until memory bandwidth or I/O throughput becomes the limiting factor.

How it compares

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

Price $2,116.99
Typical for this category: the median of 17,641 items is $1,910.99.
Installed RAM 512 GB
Higher than about 80% of the 15,103 comparable items (median 128 GB).
Processor core count 18
Higher than about 70% of the 7,955 comparable items (median 16).

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Specifications

Product
Brand nameDELL
Product typeRackmount
Processor
ProcessorGold 6154
Processor core count18
Processor socketLGA3647
Processor speed3 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM512 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Storage
Drive bays10B - 10x 2.5 in
Graphics
Graphics chipIntegrated
Software
Operating systemNo
More details
Indicator lightsPower, Ethernet, USB

Questions about this item

What drive size and count do the 10 bays accept for this R640?

The server provides 10 front-accessible 2.5-inch bays; you supply the 2.5-inch drives that match your capacity and type requirements.

Will my existing DDR4 RDIMMs work with the two Gold 6154 CPUs already installed?

Yes, the system runs DDR4 memory and the two Gold 6154 processors are already seated, so compatible DDR4 RDIMMs can be added up to the 3TB maximum.

How can I confirm both Xeon Gold 6154 CPUs and all 512GB of memory are active after first boot?

During POST the firmware reports two processors, 36 total cores at 3.00GHz, and 512GB DDR4 detected; the iDRAC dashboard shows the same counts once the OS loads.

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