Matrox is a producer of video card components and equipment for personal computers. Based in Dorval, Quebec, Canada it was founded by Lorne Trottier and Branko Matić. read more at WikiPedia

  • I am searching such a solution since 2 months...
    It is not a graphics card. Rather it is a palm-sized box that sits outside of your system. DualHead2Go takes the existing single monitor display output (i.e. external VGA output) from your system and expands it into dual display outputs, allowing you to run your Windows desktop at up to 2560 x 1024 resolution stretched across two displays. Using DualHead2Go in conjunction with the built-in display of your laptop, you actually benefit from 3 displays at a time.

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    Matrox is proud to present TripleHead2Go, a palm-sized box that uniquely allows you to add three 19" monitors with a combined resolution of up to 3840 x 1024 and an incredible 45" of total diagonal to your workstation, gaming system or laptop, even if that system only supports a single display output.
    Read more at the Matrox Site