Matrox C420, C420, 4 GB, GDDR5, 3840 x 2160 pixels, PCI Express x16 3.0
Matrox C420. Graphics processor family: Matrox, Graphics processor: C420. Discrete graphics card memory: 4 GB, Graphics card memory type: GDDR5. Maximum resolution: 3840 x 2160 pixels. DirectX version: 12.0, OpenGL version: 4.4. PCI bus: PCI Express x16 3.0. Cooling type: Passive