SAPPHIRE Technology has just introduced the first in a new family of products in its highly successful HD 7000 series of graphics cards. The SAPPHIRE HD 7790 OC is based on the latest chipset featuring the highly acclaimed graphics GCN (Graphics Core Next) architecture from AMD & sets a new standard for performance in mainstream graphics. The SAPPHIRE HD 7790 OC Edition is the first product in a new family featuring the latest GPU architecture from AMD. It has 1GB of the latest DDR5 memory, & is factory overclocked with core clocks of 1075 M Hz & memory clocks of 1600 M Hz (6.4GB/s effective) to deliver new levels of performance in its price segment. Performance is optimised with the latest version of AMDs Power Tune technology. Quiet & cool operation is assured with SAPPHIREs Dual-X cooler design, which combines a multiple heatpipe array with two aerofoil section fans & dust repelling bearings resulting in a highly efficient & reliable cooler.