DELL HD2400Pro, GDDR2, 64 bit, 1920 x 1200 pixels, PCI Express x16 DELL HD2400Pro. Graphics card memory type: GDDR2, Memory bus: 64 bit. Maximum resolution: 1920 x 1200 pixels. DirectX version: 10.0, OpenGL version: 2.0. Interface type: PCI Express x16. Cooling type: Passive