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Half-height blade server, matte black metal chassis, two 2.5-inch drive bays visible

DELL

DELL PowerEdge M640 Blade Server 2x Xeon Gold 6154 3.0GHz 18C 32GB DDR4 2x 960GB SSD

SKU CH-BSRZ-QM5ND

Half-height blade server with dual 18-core Xeon Gold 6154 CPUs, 32 GB DDR4 ECC memory, dual 960 GB SATA SSDs, PERC S140 controller, 10 Gb dual-port networking and iDRAC9 Enterprise remote management

  • TypeBlade
  • Rack HeightBlade
  • CPU TypeIntel Xeon
  • CPU Speed3.00 GHz
  • CPU SocketLGA 3647
  • Number of CPU Cores18-Core Processor

Installed Memory Size 32GB

SSD (Installed) 2 x 960GB SATA SSD

  • Dual Xeon Gold 6154 3.0 GHz 18-core CPUs deliver 36 cores for heavy workloads
  • 32 GB DDR4 2666 MHz registered ECC memory with 16 slots expandable to 1.5 TB
  • Dell PERC S140 controller manages SATA and SAS drives with RAID 0/1/5/10
  • Two 960 GB SATA 6 Gb/s 2.5" enterprise SSDs provide fast read performance
  • iDRAC 9 Enterprise enables remote management and automation across the data centre

Blade Server for Dense Compute

The Dell EMC PowerEdge M640 is a half-height blade server built for high-density data centre racks. It ships with two Intel Xeon Gold 6154 processors running at 3.0 GHz with a 3.7 GHz turbo frequency. Each CPU provides 18 cores, giving 36 cores total for virtualization, private cloud or high-performance computing workloads. The system includes 32 GB of DDR4 2666 MHz registered ECC memory across four modules.

Thermals Noise and Power in Normal Use

As a blade, the M640 relies on the shared cooling infrastructure of a PowerEdge MX or M1000e chassis rather than onboard fans. Power draw scales with the dual 18-core CPUs and the installed DDR4 memory under typical virtualization loads. Acoustic output is determined by the chassis fans, not the blade itself. The integrated Dell PERC S140 controller manages the two 960 GB SATA SSDs with minimal overhead.

Blade Chassis Compatibility Requirement

This server only operates inside a compatible Dell PowerEdge MX or M1000e blade enclosure, which supplies power, cooling and fabric interconnects. Buyers who do not already own or plan to purchase a supported chassis cannot use this blade. The unit includes a Broadcom 57810S-K dual-port 10 Gb network daughter card and iDRAC9 Enterprise for remote management, but ships without front bezel or ready rails.

Highlights

  • Dual Xeon Gold 6154 3.0 GHz 18-core CPUs deliver 36 cores for heavy workloads
  • 32 GB DDR4 2666 MHz registered ECC memory with 16 slots expandable to 1.5 TB
  • Dell PERC S140 controller manages SATA and SAS drives with RAID 0/1/5/10
  • Two 960 GB SATA 6 Gb/s 2.5" enterprise SSDs provide fast read performance
  • iDRAC 9 Enterprise enables remote management and automation across the data centre

Specifications

BrandDELL
SeriesPowerEdge M640
TypeBlade
Rack HeightBlade
CPU TypeIntel Xeon
CPU Speed3.00 GHz
CPU SocketLGA 3647
Number of CPU Cores18-Core Processor
# of Processors Installed2
MAX Processors2
Installed Memory Size32GB
Memory TypeDDR4
Max Memory Capacity2TB
Number of Memory Slots16
Storage ControllerDell Perc S140 Controller
HDD InterfaceSATA/SAS
SSD (Installed)2 x 960GB SATA SSD
Raid LevelRAID 0/1/5/10
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Broadcom 57810S-K 10Gb Dual Port Blade Network Daughter Card
Management PortRJ 45
Operating SystemNo

Other versions of this model

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Questions about this item

How do I add memory to the PowerEdge M640, and which step is often missed?

Insert DDR4 2666MHz Registered ECC DIMMs into the available slots; the system has 16 slots total and currently holds 32GB across 4 modules.

What component will need replacement first under continuous operation?

The two 960GB SATA SSDs have a finite write endurance; sustained heavy write workloads will wear them out before other parts.

What limit appears first when the dual Xeon Gold 6154 CPUs run at 3.7GHz Turbo for long periods?

Thermal limits in the blade chassis will throttle the processors before power or memory bandwidth become bottlenecks.

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