PNY GeForce 9500GT 512MB. Graphics processor: GeForce 9500 GT, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 550 MHz. Graphic adapter memory: 512 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express 2.0. Minimum RAM: 512 MB, Minimum hard disk space: 50 MB, Minimum system power supply: 350 W. Compatible operating systems: Windows 2000, XP, Vista