HP WS079AV, 2 GB, GDDR5, 256 bit, 2560 x 1600 pixels, PCI Express 2.0 HP WS079AV. Discrete graphics card memory: 2 GB, Graphics card memory type: GDDR5, Memory bus: 256 bit. Maximum resolution: 2560 x 1600 pixels. DirectX version: 11, OpenGL version: 4.0, Dual Link DVI. Interface type: PCI Express 2.0. Cooling type: Active