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

DELL

DELL PowerEdge M640 blade server 2× Xeon Gold 6230 20-core 64GB DDR4 2× 960GB SSD

SKU CH-TQGZ-2VJNT

Half-height blade server with two 20-core Xeon Gold 6230 processors, 64GB DDR4, and dual 960GB SSDs

  • TypeBlade
  • Rack HeightBlade
  • CPU TypeIntel Xeon
  • CPU Speed2.10 GHz
  • CPU SocketLGA 3647
  • Number of CPU Cores20-Core Processor

Installed Memory Size 64GB

SSD (Installed) 2 x 960GB SATA SSD

  • Dual 20-core Xeon Gold 6230 CPUs deliver 40 total cores at 2.1 GHz base
  • 64 GB DDR4-2666 ECC memory with 16 slots supporting up to 1.5 TB
  • Two 960 GB SATA SSDs on PERC S140 controller with RAID 0/1/5/10
  • Broadcom 57810S-K dual 10 Gb blade network daughter card for high-speed connectivity
  • iDRAC9 Enterprise enables remote management and automation across the chassis

Built for dense compute

The Dell PowerEdge M640 is a half-height blade server that fits into PowerEdge MX or M1000e chassis. Two Intel Xeon Gold 6230 processors give 20 cores each at 2.1 GHz with a 3.9 GHz turbo, and 64 GB of DDR4 ECC memory is installed across four slots. The PERC S140 controller manages two 960 GB SATA SSDs in RAID 0, 1, 5 or 10, while a Broadcom 57810S-K card provides dual 10 Gb network ports and iDRAC9 Enterprise handles remote management.

Suits virtualisation and HPC clusters

This blade targets workloads that scale across many nodes, such as virtualisation farms, private cloud infrastructure or high-performance computing jobs that benefit from high core counts in a small footprint. It is not for buyers who need GPU acceleration, large local storage arrays, or workloads that require more than 64 GB of memory without adding modules.

20 cores per processor at 2.1 GHz

The defining specification is the dual Xeon Gold 6230 configuration: 20 cores per socket at a 2.1 GHz base frequency with 3.9 GHz turbo. That core count and clock speed set the performance envelope for any workload deployed on this blade.

Highlights

  • Dual 20-core Xeon Gold 6230 CPUs deliver 40 total cores at 2.1 GHz base
  • 64 GB DDR4-2666 ECC memory with 16 slots supporting up to 1.5 TB
  • Two 960 GB SATA SSDs on PERC S140 controller with RAID 0/1/5/10
  • Broadcom 57810S-K dual 10 Gb blade network daughter card for high-speed connectivity
  • iDRAC9 Enterprise enables remote management and automation across the chassis

Specifications

BrandDELL
SeriesPowerEdge M640
TypeBlade
Rack HeightBlade
CPU TypeIntel Xeon
CPU Speed2.10 GHz
CPU SocketLGA 3647
Number of CPU Cores20-Core Processor
# of Processors Installed2
MAX Processors2
Installed Memory Size64GB
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

Should I choose the 64GB configuration or add more DDR4 modules later?

The server ships with 64GB across four 16GB DDR4 2666MHz registered ECC modules and has 16 total slots supporting up to 2TB, so you can expand in matched sets.

What does the 3.9GHz turbo frequency deliver in daily workloads?

Each Xeon Gold 6230 runs at 2.1GHz base and can boost to 3.9GHz on active cores, giving short-burst speed for latency-sensitive tasks while the 20 cores per CPU handle sustained parallel work.

How does the PERC S140 controller limit the 960GB SATA SSDs?

The S140 provides SATA 6Gb/s connectivity and RAID 0/1/5/10, so the installed 960GB drives operate at SATA speeds rather than NVMe throughput.

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