Matrox C680, 2 GB, GDDR5, 4096 x 2160 pixels, PCI Express x16 3.0
Matrox C680. Discrete graphics card memory: 2 GB, Graphics card memory type: GDDR5. Maximum resolution: 4096 x 2160 pixels. DirectX version: 12.0, OpenGL version: 4.4. PCI bus: PCI Express x16 3.0. Cooling type: Active