PNY GeForce 9 9800GTX 512MB. Graphics processor: GeForce 9800 GTX, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 675 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: GDDR3, Memory bus: 256 bit. Interface type: PCI Express. Minimum processor: Pentium 4 Prescott, Minimum RAM: 128 MB, Minimum hard disk space: 50 MB. Compatible operating systems: Windows 2000, XP, Vista