PNY NVIDIA Quadro NVS 420 PCIE x16. Graphics processor: NVS 420, Maximum resolution: 2560 x 1600 pixels. Graphic adapter memory: 256 MB, Graphics adapter memory type: GDDR3, Memory bus: 128 bit. Interface type: PCI Express x16. Minimum system requirements: CD/DVD-ROM, Minimum processor: Intel Pentium 4/Xeon / AMD Opteron, Minimum RAM: 256 MB. Compatible operating systems: Microsoft Windows XP, 2000, NT 4.0 (SP 6) / Linux