The SAPPHIRE exclusive Vapor-X cooler ensures that the card runs quietly and efficiently. Together with other special hardware features including on-board 10-phase power control and SAPPHIRE’s highly efficient, cool running patented Black Diamond chokes this ensures there is a good margin for performance tuning (overclocking) by enthusiast users. SAPPHIRE’s overclocking tool for these models - TriXX - is available for users to download from the SAPPHIRE Select Club – free for SAPPHIRE enthusiasts to join online.