6U Military ATR Chassis

Our COTS 6U Military ATR chassis are supplied fully MIL certified per MIL-STD for immediate deployment in the field. Applications up to 1550 watts.
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3U Military ATR Chassis

Designed for cost effective, compact military aerospace platforms & UAV applications up to 575 watts. MIL-STD-461F certified.
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CM COTS 6U Modules

Over 14,000 VMEbus modules in service, serving Military, Rugged, Industrial & Commercial applications in all corners of the globe.
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3U/6U Military Backplanes

Our Military VPX, VMEbus & cPCI backplanes provide unlimited wiring flexibility & extended functionalities.
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Military Performance PSU

Supporting a wide variety of AC/DC input voltages & customer defined DC output combinations that deliver up to 1550 watts.
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  • COTS Engineering


    CM Computer delivers Commercial Off-The-Shelf (COTS) Open Bus Systems, offering the most comprehensive range of military ATR chassis & VMEbus modules in the industry.

    Company Profile
  • Extreme Reliability


    We implement the most challenging parameters from the start, maintaining the theory that each component employed is selected in accordance with a rigorous military quality criteria.

    MIL Certificates
  • Product Functionality


    All CM products are built to outstanding critical aspect performance with indispensable features & Built-in-Test, compounding 25 years of technological evolution.

    ATR Chassis
  • Experience & Support
    Experience &


    Our engineering team generate the most extensive technical manuals, comprehensive product data sheets & real-time source code, providing expertise & continued support.

    VME Modules


The leading military ATR chassis & VMEbus I/O manufacturer in Europe & the USA.

Experience & Support
Since its establishment in 1987, CM Computer has designed and crafted the highest performance products that balance proven old-school military hardware design with the advantage of current COTS open architectures. CM products are expressly designed for the most demanding applications that require uncompromising quality and reliability.

COTS Products

We design & manufacture all COTS products in-house without subcontracting to third parties.

Experience & Support
Year after year CM Computer continues to offer outstanding cost-effective COTS products, earning CM a solid reputation as a leading military solutions supplier in Europe and the USA. The current series of boards and ATR chassis are based on well proven technology that accepts only solutions that have been field demonstrated to be most efficient.

Key Customers

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Latest News:< >

  • Dec 10, 2012

    Our latest arrival - CMs 3U ATR Chassis

    Three new 3U ATR chassis with 5-slots to support all applications, delivering up to 575 Watts in VPX, VME & cPCI format. >>
  • Jun 21, 2012

    The SixHex-16HP version the SixHex series

    Equipped with 16 super conducting heat pipes that further increase heat dissipation and payload capabilities. >>
  • Mar 8, 2012

    New Online ATR Chassis Configurator

    Design a custom ATR chassis suited for your application. Configure your part number and specification report today! >>
  • Feb 2, 2012

    Custom VME/VPX-hybrid backplanes

    Our VPX & VME/VPX-hybrid backplanes accept 6U/3U board models from any global supplier, providing total compatibility. >>
  • Jan 1, 2012

    Active ATR Acoustic Noise Filter Technology

    designed specifically for noise sensitive environments, such as in submarines and naval vessels. >>
  • Nov 16, 2011

    Releases the Ultimate SixHex ATR series.

    Provides up to 1550 Watts PSU power for VME, VPX or cPCI modules, ruggedly sealed within a 6 heat exchanger enclosure. >>

Latest Catalog

3U ATR Catalog