PNY GeForce GTX 275. Graphics processor: GeForce GTX 275, Maximum resolution: 2560 x 1600 pixels, Processor clock speed: 633 MHz. Graphic adapter memory: 896 MB, Graphics adapter memory type: GDDR3, Memory bus: 448 bit. Interface type: PCI Express 2.0. Shader model version: 4.0, OpenGL version: 3.0. Minimum system requirements: PCI Express x16, Minimum processor: Pentium 4, AMD Athlon XP, Minimum RAM: 1024 MB