HP NVIDIA Quadro FX3500 256MB PCIe, GDDR3, 256 bit, 3840 x 2400 pixels, PCI Express x16 HP NVIDIA Quadro FX3500 256MB PCIe. Graphics card memory type: GDDR3, Memory bus: 256 bit. Maximum resolution: 3840 x 2400 pixels. DirectX version: 9.0, OpenGL version: 2.1. Interface type: PCI Express x16. Cooling type: Active