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DELL

DELL PowerEdge M640 Blade Server 2x Xeon Gold 6154 3.0GHz 18C 64GB DDR4 2x 1.92TB SSD

SKU CH-SEXM-N0DR7

Half-height blade server with two 18-core Xeon Gold 6154 CPUs, 64 GB DDR4, and dual 1.92 TB SATA SSDs

  • ProcessorIntel Xeon
  • Installed RAM64 GB
  • Video RAM8 MB
  • Installed SSD2 × 1.92 TB SATA SSD
  • Processor core count18-Core Processor
  • Operating systemNo

Installed Memory Size 64GB

SSD (Installed) 2 x 1.92TB SATA SSD

  • Dual Xeon Gold 6154 CPUs deliver 36 cores at 3.0 GHz base with 3.7 GHz turbo
  • 64 GB DDR4 2666 MHz ECC memory across 16 slots supports up to 1.5 TB
  • PERC S140 controller enables RAID 0/1/5/10 for SATA and SAS drives
  • Dual 1.92 TB SATA SSDs provide high-speed storage out of the box
  • iDRAC9 Enterprise and Broadcom 57810S-K 10 Gb dual-port networking simplify remote management

Half-height blade server for dense compute

The Dell PowerEdge M640 is a half-height blade server built for virtualisation, private cloud and high-performance computing workloads. Two Intel Xeon Gold 6154 processors deliver 36 cores at 3.0 GHz with 3.7 GHz turbo. Sixty-four gigabytes of DDR4-2666 registered ECC memory and two 1.92 TB SATA SSDs provide fast data access. iDRAC9 Enterprise enables remote management.

Verify chassis, cooling and network fabric

Confirm the blade fits a compatible PowerEdge MX or M1000e enclosure with adequate power and cooling capacity. Ensure the chassis backplane supports the installed Broadcom 57810S-K 10 Gb dual-port daughter card. Check that the PERC S140 controller meets your RAID requirements for the two 2.5-inch drives. No operating system is included.

Replaces older half-height blades when core

This configuration upgrades from earlier half-height blades that max out at lower core counts or lack 10 Gb networking. The jump is worth it when you need 36 cores and 64 GB in a single slot without moving to full-height form factors. It does not suit buyers who require GPU acceleration, larger local storage arrays or full-height expansion slots.

How it compares

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

Price $1,293.99
Cheaper than about 65% of the 17,641 comparable items (median $1,910.99).
Installed RAM 64 GB
Lower than about 70% 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.

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameDELL
Product linePowerEdge M640
Product typeBlade
Processor
ProcessorIntel Xeon
Processor core count18-Core Processor
Processor socketLGA 3647
Processor speed3 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM64 GB
Type of memoryDDR4
Maximum RAM capacity2 TB
Memory slot count16
Storage
Installed SSD2 × 1.92 TB SATA SSD
Disk controllerDell Perc S140 Controller
Drive interfaceSATA/SAS
Supported RAID levelsRAID 0/1/5/10
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

5 more in the same range

Questions about this item

What comes in the box and what must be purchased separately?

The blade ships with two Xeon Gold 6154 processors, 64 GB DDR4 memory, two 1.92 TB SATA SSDs, a PERC S140 controller, a Broadcom 57810S-K 10 Gb dual-port daughter card and iDRAC9 Enterprise. Front bezel, ready rails, an operating system and a compatible MX or M1000e chassis are not included.

Which memory configuration should I choose for this blade?

The system has 16 DDR4 slots and currently holds four 16 GB modules at 2666 MHz. You can add up to 1.5 TB total using registered ECC DDR4 DIMMs.

What does the 3.0 GHz base clock mean in daily use?

Each of the 18 cores runs at 3.0 GHz and can boost to 3.7 GHz under load, giving 36 threads total for virtualization, cloud or compute workloads.

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