VITA 93 QMC Form Factor and Details

    July 1, 2025
    Learn about the different VITA 93 QMC form factors.
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    Watch the video (above), which is part of the Introducing VITA 93 QMC webinar.  

    In this video, I talk with Mark Littlefield, Senior Manager of Embedded Computing, Elma Electronics; Jan Zimmerman, General Manager, TEWS Technologies; and Matthew Burns, Director of Technical Marketing, Samtec about QMC basics, including architecture and features. The standard defines four form factors (see figure). 

    VITA 93 QMC form factors
    The VITA 93 QMC standard defines four form factors. The basic single QMC has a pair of connectors. The others add more space and connectors to the mix.

    Carrier boards can be set up to accommadate any module mix. A carrier board that supports a quad QMC can also handle four singles, two doubles, a triple, plus a single or any combination that uses the one or more sets of connections. 

    More VITA 93 QMC Video Clips from the Webinar

    VITA 93 QMC Overview
    Learn about the new VITA 93 QMC mezzanine module standard that targets industrial and rugged applications.
    Applications for VITA 93 QMC
    Find out where VITA's new, rugged mezzanine card standard currently stands.

    More VITA 92 Resources

    Elma Electronics
    VITA 93 QMC module
    This TechXchange collects content related to this rugged, mezzanine expansion standard.
    William Wong/Electronic Design
    promo_qmc_william_wong__ebm
    Targeting most rugged applications, the SWaP-C-optimized VITA 93 QMC mezzanine standard defines a more compact and higher-speed alternative to other mezzanine standards.
    About the Author

    William G. Wong | Senior Content Director - Electronic Design and Microwaves & RF

    I am Editor of Electronic Design focusing on embedded, software, and systems. As Senior Content Director, I also manage Microwaves & RF and I work with a great team of editors to provide engineers, programmers, developers and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

    You can send press releases for new products for possible coverage on the website. I am also interested in receiving contributed articles for publishing on our website. Use our template and send to me along with a signed release form. 

    Check out my blog, AltEmbedded on Electronic Design, as well as his latest articles on this site that are listed below. 

    You can visit my social media via these links:

    I earned a Bachelor of Electrical Engineering at the Georgia Institute of Technology and a Masters in Computer Science from Rutgers University. I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK. I do a bit of PHP programming for Drupal websites. I have posted a few Drupal modules.  

    I still get a hand on software and electronic hardware. Some of this can be found on our Kit Close-Up video series. You can also see me on many of our TechXchange Talk videos. I am interested in a range of projects from robotics to artificial intelligence. 

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    About the Author

    Mark Littlefield | Sr. Manager, Embedded Computing Solutions, Elma Electronic

    Mark Littlefield is senior manager of embedded computing products and services for Elma Electronic. He’s an active contributor to multiple VITA and SOSA technical working groups, leads the SOSA small-form-factor (SFF) sub-committee, and was co-chair of the VITA 65 OpenVPX working group.

    Mark has more than 25 years of experience in embedded computing, where he has held a range of technical and professional roles supporting defense, medical, and commercial applications. He holds bachelor's and master’s degrees in control systems engineering from the University of West Florida, where he wrote his thesis on a neural-net approach to image processing.

    About the Author

    Jan Zimmerman | General Manager @ TEWS Technologies

    Jan Zimmermann is one of the two General Managers at TEWS Technologies, a Company located in Germany, well known for their commitment providing I/O solutions of highest quality. Together with Tim Tews, he successfully managed the company's succession and is responsible for all aspects of the business, especially its strategy and business development. Jan holds a master’s degrees in business engineering from the Nordakademie in Hamburg (Germany).

    About the Author

    Matthew Burns | Technical Marketing Manager @ Samtec

    Matthew Burns develops go-to-market strategies for Samtec’s Silicon-to-Silicon solutions. Over the course of 25 years, he has been a leader in design, applications engineering, technical sales, and marketing in the telecommunications, medical, and electronic components industries. Matthew holds a B.S. in Electrical Engineering from Penn State University.

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