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Dell PowerEdge M640 blade server, rectangular matte black chassis, front drive bays visible

DELL

DELL PowerEdge M640 Blade 2x Xeon Gold 6128 3.4 GHz 256GB DDR4 2x 4TB SATA

SKU CH-5DE7-V4N6G

Two-socket blade server with dual Xeon Gold 6128 CPUs, 256 GB DDR4 memory and twin 4 TB SATA drives in a 2.5-inch form factor

  • ProcessorIntel Xeon
  • Installed RAM256 GB
  • Type of memoryDDR4 SDRAM
  • Processor speed3.4 GHz
  • Installed CPUs2
  • Max supported CPUs2
  • Dual Xeon Gold 6128 CPUs at 3.4 GHz for demanding workloads
  • 256 GB DDR4 ECC memory supports large datasets and virtualization
  • Two 4 TB SATA drives provide 8 TB of raw storage capacity
  • PERC H330 RAID controller enables hardware RAID for data protection
  • iDRAC9 Enterprise remote management allows full out-of-band server control

Blade server for virtualisation workloads

The Dell PowerEdge M640 is a dual-socket blade fitted with two Xeon Gold 6128 processors at 3.4 GHz and 256 GB of DDR4 memory. It includes a PERC H330 storage controller and two 4 TB SATA drives in 2.5 inch bays. Integrated graphics and iDRAC9 Enterprise remote management are provided for headless operation.

Suited for dense compute clusters

Organisations running virtualised applications or container platforms that fit within two processor sockets and 1 TB maximum memory will find this blade matches the spec. Buyers who need more than two internal 2.5 inch drives or a discrete GPU cannot expand those resources on this chassis.

Dual Xeon Gold 6128 at 3.4 GHz

The pair of six-core CPUs delivers 12 cores and 19.25 MB cache per processor, setting the performance ceiling for the system. Memory scales to 1 TB using DDR4 modules, and storage is limited to the two SATA bays served by the PERC H330 controller.

How it compares

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

Price $1,188.99
Cheaper than about 68% of the 17,641 comparable items (median $1,910.99).
Installed RAM 256 GB
Higher than about 60% of the 15,103 comparable items (median 128 GB).
Processor speed 3.4 GHz
Higher than about 94% of the 9,950 comparable items (median 2.3 GHz).

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Specifications

Product
Brand nameDELL
Product linePowerEdge
Model nameBlade
Product typeBlade
Processor
ProcessorIntel Xeon
Processor speed3.4 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM256 GB
Type of memoryDDR4 SDRAM
Maximum RAM capacity1 TB
Storage
Installed storage8,00
Disk controllerDell PERC H330 SAS Storage Controller
Drive interfaceSATA
Graphics
Graphics chipIntegrated Graphics
Size & build
Product dimensions22 × 22x 10 in
More details
Management controlleriDRAC9 Enterprise

Questions about this item

What chassis slot and physical space does the M640 blade require?

The blade measures 22 x 22 x 10 in and weighs 20, so it fits a half-height slot in a compatible PowerEdge enclosure.

How is the PERC H330 controller set up for the two 2.5" SATA drives, and what step is often missed?

Insert the drives into the front bays, then use the PERC H330 BIOS utility to create a virtual disk before installing the OS; skipping the array creation leaves the drives unrecognised.

When will the 256 GB of DDR4 ECC registered memory need to be expanded, and what is the limit?

The system supports up to 1 TB of DDR4, so additional modules can be added to the remaining DIMM slots when workloads exceed the installed 256 GB.

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