APPHIRE 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 and 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 with 896 Stream processor units. It has 1GB of the latest DDR5 memory and is factory overclocked, with core clocks of 1075MHz and memory clocks of 1600MHz (6.4GB/s effective), to deliver new levels of performance in its price segment. Performance is optimised with the latest version of AMD’s PowerTune technology. Quiet and cool operation is assured with SAPPHIRE’s Dual-X cooler design, which combines a multiple heatpipe array with two aerofoil section fans and dust repelling bearings resulting in a highly efficient and reliable cooler.