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

DELL

DELL PowerEdge M640 Blade Server 2x Xeon Gold 6230 20-Core 32GB DDR4 2x 1.92TB SSD

SKU CH-S3D6-WKTD5

Dual 20-core Xeon Gold 6230 blade server with 32GB DDR4 and two 1.92TB SATA SSDs

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

Installed Memory Size 32GB

SSD (Installed) 2 x 1.92TB SATA SSD

  • Dual 20-core Xeon Gold 6230 CPUs deliver 40 threads at 2.1 GHz base
  • 32 GB DDR4 2666 MHz registered ECC memory with 16 slots for 1.5 TB max
  • PERC S140 controller enables RAID 0, 1, 5, 10 on SATA and SAS drives
  • Two 1.92 TB enterprise SATA SSDs provide fast read-heavy storage in 2.5" bays
  • iDRAC 9 Enterprise gives full remote management with dedicated 10 Gb dual-port networking

Blade Server for Virtualisation and HPC

The Dell PowerEdge M640 is a half-height blade server built for dense compute workloads such as virtualisation, private cloud and high-performance computing. Two Intel Xeon Gold 6230 processors deliver 20 cores each at 2.1 GHz with 3.9 GHz turbo. 32 GB of DDR4 2666 MHz registered ECC memory is installed across 16 slots.

Best for Scale-Out Deployments in MX

Suits teams that need high core density in a shared chassis with 10 Gb dual-port networking and iDRAC9 Enterprise management. Not suited for buyers who need GPU acceleration, local NVMe boot drives, or a standalone tower or rackmount form factor.

Dual 20-Core Xeon Gold 6230 CPUs

The server ships with two 20-core Intel Xeon Gold 6230 processors, giving 40 cores total in a single blade. This core count determines whether the node meets the licensing or throughput targets of the intended workload.

Highlights

  • Dual 20-core Xeon Gold 6230 CPUs deliver 40 threads at 2.1 GHz base
  • 32 GB DDR4 2666 MHz registered ECC memory with 16 slots for 1.5 TB max
  • PERC S140 controller enables RAID 0, 1, 5, 10 on SATA and SAS drives
  • Two 1.92 TB enterprise SATA SSDs provide fast read-heavy storage in 2.5" bays
  • iDRAC 9 Enterprise gives full remote management with dedicated 10 Gb dual-port networking

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 Size32GB
Memory TypeDDR4
Max Memory Capacity2TB
Number of Memory Slots16
Storage ControllerDell Perc S140 Controller
HDD InterfaceSATA/SAS
SSD (Installed)2 x 1.92TB 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

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What does the 3.9 GHz turbo on the Xeon Gold 6230 mean when the blade is fully loaded?

Each of the 20 cores per processor can reach 3.9 GHz for short bursts, but sustained all-core speeds will drop toward the 2.1 GHz base under heavy multi-threaded workloads.

How does the S140 controller limit the installed 1.92 TB SATA SSDs?

The S140 handles SATA at 6 Gb/s and provides RAID 0, 1, 5, 10, but does not support NVMe, so the drives run at SATA speeds with software-assisted RAID.

What chassis slot and width does this half-height blade need?

It fits one half-height bay in a PowerEdge MX or M1000e chassis and uses the 2.5-inch drive form factor for its two installed SSDs.

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