Matrox PH-E128APVF, GDDR, 128 bit, 2560 x 1600 pixels, PCI Express x16 Matrox PH-E128APVF. Graphics card memory type: GDDR, Memory bus: 128 bit. Maximum resolution: 2560 x 1600 pixels. DirectX version: 8.1, OpenGL version: 1.3, Dual Link DVI. Interface type: PCI Express x16. Cooling type: Active