VisionTek Radeon 7750 SFF 1GB DDR3 3M (2x HDMI, miniDP) Graphics Card - 900574 GCN Architecture, PCI Express 3.0 x16 bus interface, High Speed DDR3 memory, and DirectX 11-capable graphics 9th generation programmable hardware tessellation units Accelerated multi-threading Image quality enhancement technology Integrated HD audio controller. Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required . PCI Express based PC is required with one X16 lane graphics slot available on the motherboard Windows Vista, Windows 7, Windows 8 or newer required for DDMA multi audio support. Windows XP limited to Dual Video and single audio only. Form Factor: SFF Certified power supplies are recommended