HP Nvidia NVS 300 512MB, NVS 300, GDDR3, 64 bit, 2560 x 1600 pixels, PCI Express x16 HP Nvidia NVS 300 512MB. Graphics processor family: NVIDIA, Graphics processor: NVS 300. Graphics card memory type: GDDR3, Memory bus: 64 bit. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1, OpenGL version: 3.3. Interface type: PCI Express x16. Cooling type: Passive