MadDog's Trading House - Multiple Displays: Multiport Cards

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Multiple Displays: Multiport Cards

When Microsoft introduced Windows 98, it was the first time that PC users had the opportunity to employ relatively inexpensive single-port AGP and PCI graphics adapters in combinations to enable multidisplay systems consisting of up to nine screens. However, for various reasons, whether for compability, stability, or featuresets, users still considered more expensive yet high-quality multiport cards from manufacturers like Appian or Colorgraphic Communications. Some of the manufacturers are listed by Microsoft in the following support document:

Third-Party Solutions to Multiple Monitor Support for Windows

(STB and its purchasing parent 3DFX are no longer in business. Intergraph apparently doesn't make adapters anymore. And who the heck is ALTEX?!)

In the last couple of years, other manufacturers like ATI Technologies and Matrox have introduced lower-priced dual-port cards to compete with the older multiport manufacturers. However, even though these newer dual-port offerings have advantages of their own, certain of the Appian, Colorgraphic Communications and Matrox offerings have advantages that enable them to still stand above the crowd for setting up multidisplay trading systems.

Note: If you plan to employ more than 4 displays in a single system, consider products from Appian, Colorgraphic Communications and Matrox that can combine for 8, 16, or 32 screens.

The major manufacturers are:

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Multiple Displays: Multiport Cards