ASUS Radeon HD 4870, GDDR5, 256 bit, 3700 MHz, 2560 x 1600 pixels, PCI Express 2.0
ASUS Radeon HD 4870. Processor frequency: 815 MHz. Graphics card memory type: GDDR5, Memory bus: 256 bit, Memory clock speed: 3700 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1, OpenGL version: 2.1, Dual Link DVI. Interface type: PCI Express 2.0. Cooling type: Active