ASUS EAH5870, 2 GB, GDDR5, 256 bit, 4800 MHz, 2560 x 1600 pixels, PCI Express 2.1 ASUS EAH5870. Graphics processor family: AMD, Processor frequency: 850 MHz. Discrete graphics card memory: 2 GB, Graphics card memory type: GDDR5, Memory bus: 256 bit, Memory clock speed: 4800 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 11, OpenGL version: 4.1. Interface type: PCI Express 2.1. Cooling type: Active