We'll focus on expansion cards, specifically video cards. We'll show you how to remove a card and how to. A video card (also called a display card, graphics card, display adapter or graphics adapter) is an expansion card which generates a . with high-end cards usually occupying two or three expansion slots, and with dual-GPU cards -such as. Older PCs may sport this expansion slot, but the best video cards use PCI Express. ISA: The most ancient type of expansion slot is the ISA, which stands for (get. The primary purpose of an expansion card is to provide or expand on features not offered by the motherboard. Many of the PCI video cards also support 3. As of lateAGP has a much more limited selection of video cards than PCI-Express x Navigation Main page Contents Featured content Current events Random article Donate to Wikipedia Wikipedia store. Another bus that offered stackable expansion modules was the "sidecar" bus used by the IBM PCjr.