EVGA GeForce 6200 512 MB DDR2 PCI 2.1 VGA/DVI-I/S-Video Graphics Card, 512-P1-N402-LR Graphic Memory 512MB, 64 bit DDR2 Interface: PCI 2.1, VGA, DVI-I, S-Video 240Hz Max Refresh Rate Max Analog: 2048x1536 Max Digital: 1920x1200 Operating System Support: Windows Windows Vista 32/64bit Windows XP 32/64bit EVGA's 24/7 Technical Support Base Clock: 300 MHz Memory Clock: 532 MHz Effective Memory Detail: 512MB DDR2 Memory Bit Width 64 Bit / Memory Speed: 2.5ns / Memory Bandwidth: 4.26 GB/s Recommended PSU: 300W or greater power supply