HPE 730874-B21. Graphics processor family: NVIDIA, Graphics processor: Quadro K6000. Discrete graphics card memory: 12 GB, Graphics card memory type: GDDR5, Memory bus: 384 bit. Maximum resolution: 4096 x 2160 pixels. DirectX version: 11, OpenGL version: 4.3, Dual Link DVI. Interface type: PCI Express x16 3.0. Cooling type: Active