Matrox graphics card can drive up to eight displays

Matrox on Tuesday prepped for a record-setting launch of the M9188 PCIe x16 Octal graphics card. The PCI Express board supports as many as eight DisplayPort or single-link DVI outputs from a single Linux or Windows computer. The single-slot card otherwise sports 2GB of memory and can handle resolutions of up to 2560x1600 in DisplayPort mode, or enough for a 30-inch display on each jack. DVI is limited to 1920x1200....

Source : http://www.electronista.com/articles/09/11/10/matr...