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Half-height blade server, matte black metal chassis, front drive bays visible

DELL

Dell PowerEdge M640 Blade Server 2x Xeon Gold 6230 20C 512GB DDR4 2x 960GB SSD 57810S-K iDRAC9 Enterprise

SKU CH-TJ2T-GRT85

Half-height blade server with dual 20-core Xeon Gold 6230 CPUs, 512GB DDR4, dual 960GB SSDs, PERC H330 RAID, 10Gb dual-port networking and iDRAC9 Enterprise

  • ProcessorIntel Xeon
  • Installed RAM512 GB
  • Video RAM8 MB
  • Installed SSD2 × 960 GB SATA SSD
  • Processor core count20-Core Processor
  • Operating systemNo

Installed Memory Size 512GB

SSD (Installed) 2 x 960GB SATA SSD

  • Dual Xeon Gold 6230 CPUs deliver 40 cores at up to 3.9 GHz turbo
  • 512 GB DDR4 ECC memory across 16 slots supports demanding virtualization workloads
  • PERC H330 controller enables RAID 0, 1, 5, 10 and 50 for data protection
  • Dual 960 GB SATA SSDs provide fast read performance for boot and application drives
  • iDRAC9 Enterprise gives full remote management with virtual console and automation APIs

High-density blade for virtualisation and HPC

The Dell PowerEdge M640 is a half-height blade server built for dense compute clusters. Two Intel Xeon Gold 6230 processors deliver 40 total cores at 2.1 GHz base and 3.9 GHz turbo. The unit ships with 512 GB of DDR4 registered ECC memory across 16 slots and a PERC H330 controller managing two 960 GB SATA SSDs. A Broadcom 57810S-K dual-port 10 Gb daughter card handles networking.

Upgrade from single-socket

The jump makes sense when workloads exceed the core count or memory ceiling of a single-processor blade. Adding the second Gold 6230 raises the ceiling to 40 cores and 512 GB, while the chassis supports up to 56 cores per server and 1.5 TB of DDR4. The PERC H330 enables RAID 0, 1, 5, 10 and 50 for local redundancy. NVMe support in the platform allows faster storage tiers later.

Slides into MX or M1000e chassis with iDRAC9

Installation is a matter of inserting the blade into a compatible Dell PowerEdge MX or M1000e enclosure and cabling the fabric modules. iDRAC9 Enterprise provides out-of-band management for firmware updates and remote console access before the OS loads. Common issues include mismatched firmware between blade and chassis, missing fabric licences for the 10 Gb ports, and forgetting that front bezel and ready rails are not included.

How it compares

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

Price $2,893.99
Pricier than about 64% of the 17,641 comparable items (median $1,910.99).
Installed RAM 512 GB
Higher than about 80% of the 15,103 comparable items (median 128 GB).
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

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Specifications

Product
Brand nameDELL
Product linePowerEdge M640
Product typeBlade
Processor
ProcessorIntel Xeon
Processor core count20-Core Processor
Processor socketLGA 3647
Processor speed2.1 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM512 GB
Type of memoryDDR4
Maximum RAM capacity2 TB
Memory slot count16
Storage
Installed SSD2 × 960 GB SATA SSD
Disk controllerDell Perc H330 Controller
Drive interfaceSATA/SAS
Supported RAID levelsRAID 0/1/5/10/50
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Broadcom 57810S-K 10Gb Dual Port Blade Network Daughter Card
Ports & slots
Management interfaceRJ 45
Size & build
Rack heightBlade
Software
Operating systemNo

Other versions of this model

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Questions about this item

What enclosure does this half-height blade server fit into?

The M640 is designed for Dell PowerEdge MX and M1000e chassis, occupying a single half-height blade slot.

How are the two Xeon Gold 6230 processors installed, and what step is often missed?

Both LGA 3647 sockets are populated at the factory; the step often missed is applying the correct torque sequence when reseating the heatsinks after any service.

When will the 960 GB SATA SSDs or the PERC H330 controller need replacement?

The 960 GB SATA SSDs are rated for enterprise write endurance and the PERC H330 has no battery-backed cache, so plan SSD replacement when SMART media-wear indicators approach threshold and controller replacement if a firmware fault cannot be cleared.

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