GIGABYTE GV-N275UD-896I, GeForce GTX 275, GDDR3, 448 bit, 2400 MHz, 2560 x 1600 pixels, PCI Express 2.0 GIGABYTE GV-N275UD-896I. Graphics processor: GeForce GTX 275, Processor frequency: 660 MHz. Graphics card memory type: GDDR3, Memory bus: 448 bit, Memory clock speed: 2400 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10, OpenGL version: 2.1. Interface type: PCI Express 2.0. Cooling type: Active