PNY VCQFX3800SDI-PCIE-PB. Graphics processor: FX 3800, Maximum resolution: 2560 x 1600 pixels. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR3, Memory bus: 256 bit. Interface type: PCI Express x16. Minimum system power supply: 107 W. Compatible operating systems: Microsoft Windows Vista (64-bit & 32-bit) Microsoft Windows XP (64-bit & 32-bit)