EVGA nVidia GeForce 9800GT 1 GB DDR3 VGA/DVI/HDMI PCI-Express Video Card 01G-P3-N988-TR 256-bit Memory Interface 1.8 GHz Memory Clock 550 MHz Engine Clock GeForce 9800GT 1GB DDR3 Video Memory GeForce 9800GT 550 MHz Engine Clock 1GB DDR3 Video Memory 1.8 GHz Memory Clock 256-bit Memory Interface