PowerEdge M640 Blade Server

Flexible and efficient modular server

Deliver scalability and high density with a 2-socket, half-height modular blade server ideal for HPC, XaaS and virtualization.

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Dell M640 Blade Server

Tech Specs & Customization


Up to two Intel® 2nd Generation Xeon® Scalable processors with up to 28 cores per processor

Operating System

Canonical® Ubuntu® Server LTS 
Citrix® Hypervisor ® 
Microsoft® Windows Server® 
Microsoft® Windows Server® with Hyper-V
Red Hat® Enterprise Linux 
SUSE® Linux Enterprise Server 
VMware® ESXi®
VMware® vSphere®

Dimensions & Weight

198mm (7.79″)

50mm (1.98″)
565mm (22.24″)
6.4 kg (14.11 lbs.)


DIMM Speed
Up to 2933MT/s

Memory Type

Memory Module Slots
16 DIMM slots (6 channels with 2 DPC / 1DPC / 1DPC)

Maximum RAM


Embedded / At-the-Server
Chassis Management Controller (CMC)
iDRAC Direct
iDRAC RESTful API with Redfish

OpenManage Enterprise
OpenManage Power Center

OpenManage Mobile 

Dell Technologies Repository Manager
Dell Technologies System Update
Dell Technologies Server Update Utility
Dell Technologies Update Catalogs
OpenManage Server Administrator 
OpenManage Storage Services
iDRAC Service Module

OpenManage Integrations
BMC Truesight
Microsoft® System Center
VMware® vCenter

OpenManage Connections
Micro Focus® Operations Manager I
Nagios® Core & 
Nagios® XI

Power Supplies

M640 (M1000e chassis)
2700W Platinum
3000W Titanium
6 Hot Plug fans with redundancy
See PowerEdge M1000e chassis specification

M640 (VRTX chassis)
1100W Platinum
1600W Platinum
4 Hot plug fans with N+1 redundancy 
See PowerEdge VRTX chassis specification

Recommended Support

Choose Dell ProSupport Plus for critical systems or Dell ProSupport for premium hardware and software support for your PowerEdge solution. Consulting and deployment offerings are also available. Contact your Dell representative today for more information. Availability and terms of Dell Services vary by region.

Storage Controllers

Internal controllers:
PERC9 H330, H730p, H740p, H840
Internal Dual SD Module (optional)

Software RAID

Internal Boot
Boot Optimized Storage Subsystem (BOSS):
HWRAID 2 x M.2 SSDs 240GB, 480GB


See PowerEdge M1000e chassis specification
See PowerEdge VRTX chassis specification
8 x Gen3 low-profile cards for VRTX
5 x Low profile, half-length x8 PCIe Gen2 cards for VRTX
3 x Standard height, full-length x8 PCIe Gen2 cards for VRTX

Video Card
1 x VGA controller integrated with iDRAC


See PowerEdge M1000e chassis specification
See PowerEdge VRTX chassis specification

Form Factor

2-socket Modular Blade Server


Front Bays 
Up to 2 x 2.5″ SAS/SATA (HDD/SSD) max 12.8TB


Cryptographically signed firmware
Secure Boot 
Secure Erase
System Lockdown (requires OpenManage Enterprise)


Network Options
2 x 10GE + 4 X 1GE
4 x 10GE

Front Ports
1 x Power button
1 x System ID / Status LED
1 x USB 2.0 MicroAB port with iDRAC management function
1 x USB 3.0 port

Product Details

High-performance modular compute with industry-leading density

Effectively meet dynamic business needs with the PowerEdge M640. This modular blade server is designed to scale out and enable increased performance – all inside a PowerEdge VRTX chassis. Get up to 16 2nd generation Intel® Xeon® Scalable processor dual-socket compute nodes in a single chassis. The M640 is an outstanding match for data center workloads that benefit from high density and power efficiency, and for multi-server and clustered architectures.

Optimized for:

  • High-performance computing (HPC)
  • Anything as a service (Xaas)
  • Virtualization
  • Private cloud/On-premises
Dell M640 Blade Server

Speed IT transformation with the PowerEdge portfolio

Take the next step to modernize your data center with this modular compute platform. The PowerEdge M640 is a modular blade server built on a scalable business architecture that offers you choice and flexibility to meet performance demands easily.

  • Scale compute resources with Intel® 2nd Generation Xeon® Scalable processors.
  • Gain exceptional flexibility with a universal backplane and a choice of 2 x M.2 (BOSS) or dual SD cards.
  • Maximize storage with 16 DDR4 DIMM slots and support up to 1024GB maximum memory.
Dell M640 Blade Server Close Up

Automate productivity with intelligent, embedded management

Dell Technologies OpenManage intelligent automation enables you to spend less time on routine maintenance so you can focus on business-critical priorities.

  • Help maximize uptime and reduce the IT effort to resolve issues by up to 72%* with ProSupport Plus and SupportAssist.
  • Leverage existing management consoles with easy integrations for VMware® vSphere®, Microsoft® System Center and Nagios®.
  • Improve productivity with agent-free Dell Technologies iDRAC9 for automated management.
  • Simplify deployment with OpenManage next-generation console and server profiles to configure and prep servers rapidly and scalably.
Embedded Management

Fortify your servers with integrated security

A comprehensive, cyber-resilient architecture with security embedded into every server helps to protect your data.

  • Protect server configuration and firmware from malicious changes with new Configuration Lock-down.
  • Use system erase of local storage to help ensure data privacy when you repurpose or retire servers.
  • Automate updates that check file dependencies and proper update sequence, before deploying them independently from the OS/hypervisor.
  • Take control of your firmware consoles with embedded authentication that is designed to allow only properly signed updates to run.
Dell Server Close Up

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