HP NVIDIA RTX A400 4 GB with Mini Bracket 4mDP Graphics. Graphics processor family: NVIDIA, Graphics processor: RTX A400. Discrete graphics card memory: 4 GB, Graphics card memory type: GDDR6, Memory bus: 64 bit. Maximum resolution: 5120 x 2880 pixels. DirectX version: 12.0, OpenGL version: 4.6. Interface type: PCI Express x8 4.0. Cooling type: Active, Number of fans: 1 fan(s)