PowerColor ATI Radeon HD6750 1 GB DDR5 VGA/DVI/HDMI Low Profile PCI-Express Video Card AX6750 1GBD5-LHG Memory Interface: 128-bit Memory Clock: 1150 MHz x 4 (4.6 Gbps) Engine Clock: 700 MHz Chipset: Radeon HD6750 Video Memory: 1GB DDR5 Chipset: Radeon HD6750 Engine Clock: 700 MHz Video Memory: 1GB DDR5 Memory Clock: 1150 MHz x 4 (4.6 Gbps) Memory Interface: 128-bit Bus: PCI-Express 2.1 x16 RAMDAC: 400 MHz Stream Processors: 720