DELL NVIDIA T400. Graphics processor family: NVIDIA, Graphics processor: T400. 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: 4.5. Interface type: PCI Express x16 3.0. Cooling type: Active, Number of fans: 1 fan(s)