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Dell PowerEdge R640 1U rack server silver front with ten 2.5 inch drive bays

DELL

DELL PowerEdge R640 40-Core Rack Server 2x Xeon Gold 6148 2.40GHz 128GB DDR4 H730P 10x 2.5

SKU CH-HY48-RVZ52

40-core dual-socket rack server with 128 GB DDR4, H730P controller and ten 2.5-inch NVMe-capable bays for virtualization and databases

  • TypeRackmount
  • LEDsPower, Ethernet, USB
  • CPU TypeGold 6148
  • CPU Speed2.40GHz
  • CPU SocketLGA3647
  • Number of CPU Cores14
  • 40 cores across two Xeon Gold 6148 CPUs deliver high throughput for virtualization workloads
  • 128 GB DDR4 memory supports dense virtual machine consolidation and data-heavy applications
  • 10 front 2.5" bays with 8 NVMe-capable slots enable fast storage scaling
  • H730P RAID controller simplifies array setup and ongoing storage management
  • 1U rackmount form factor fits standard cabinets while maximising compute density

Dell PowerEdge R640 40-Core Server

The Dell PowerEdge R640 is a 1U rackmount server system built for business workloads such as virtualization, databases and application hosting. It ships with dual Intel Xeon Gold 6148 processors running at 2.40 GHz, delivering 40 cores in total and 128 GB of DDR4 memory installed. The chassis provides ten 2.5-inch drive bays, eight of which are NVMe capable, and includes an H730P storage controller. No operating system or drives are included.

Suited for virtualization

This configuration suits IT teams consolidating multiple virtual machines, hosting business applications or running database workloads that benefit from high core counts and large memory headroom. The maximum memory capacity of 3 TB allows significant future expansion. Buyers who need GPU acceleration for compute-intensive tasks should look elsewhere, as only integrated graphics are present. Organisations requiring pre-installed drives or an operating system will need to source those separately.

128 GB DDR4 with room to grow

The installed 128 GB DDR4 comfortably handles dozens of virtual machines, container clusters and memory-heavy databases. With a 3 TB ceiling across the available slots, headroom remains generous for future scaling. Storage performance scales with the chosen drives; the ten 2.5-inch bays and H730P controller support mixed SSD and HDD configurations. The system reaches its compute limit at the dual-socket maximum of 40 cores, so workloads demanding higher thread counts will require a different platform.

Highlights

  • 40 cores across two Xeon Gold 6148 CPUs deliver high throughput for virtualization workloads
  • 128 GB DDR4 memory supports dense virtual machine consolidation and data-heavy applications
  • 10 front 2.5" bays with 8 NVMe-capable slots enable fast storage scaling
  • H730P RAID controller simplifies array setup and ongoing storage management
  • 1U rackmount form factor fits standard cabinets while maximising compute density

Specifications

BrandDELL
TypeRackmount
LEDsPower, Ethernet, USB
CPU TypeGold 6148
CPU Speed2.40GHz
CPU SocketLGA3647
Number of CPU Cores14
# of Processors Installed2
MAX Processors2
Installed Memory Size128GB
Memory TypeDDR4
Max Memory Capacity3TB
GPU TypeIntegrated
Expansion Bays10B - 10x 2.5" (8x NVMe Capable)
Operating SystemNo
Weight60

Questions about this item

Does this R640 server include storage drives, or must I supply my own 2.5-inch drives for the ten bays?

Drives are not included. The chassis provides ten 2.5-inch bays, eight of which are NVMe capable, so you can populate them with the capacity and type you need.

Will my existing DDR4 memory modules work alongside the 128GB already installed in this dual Gold 6148 system?

Yes. The server uses DDR4 and supports up to 3TB total, so additional DDR4 modules can be added to the open slots alongside the factory-installed 128GB.

How can I confirm the H730P controller sees all drives after I install them?

The front-panel LEDs show power, Ethernet and USB activity; during POST the H730P BIOS lists each detected drive, and the iDRAC interface reports the full array status once the OS loads.

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