C420 low-profile, quad-output PCI Express graphics cards from Matrox Graphics are designed for stability, reliability and advanced multi-display capabilities. The fanless card can drive up to four displays or projectors at resolutions up to 2560 by 1600 per output. Secure mini DisplayPort connectivity prevents loose cabeling. The C420 card is compatible with Microsoft Windows 7, 8.1 and Linux operating systems, and comes bundled with Matrox PowerDesk for Windows desktop management software. 514/822-6000; www.matrox.com/graphics.