The SAPPHIRE HD 5850 TOXIC Edition is a SAPPHIRE original design based on the latest 40nm graphics architecture from the ATI division of AMD. Featuring 1440 stream processors and 72 texture units, it delivers the fastest performance in class as well as supporting ATI Stream technology. It fully supports the advanced graphical features of DirectX 11, and deliver spectacular video clarity, speed and visual effects, including over multiple monitors. Designed for the enthusiast user, the SAPPHIRE HD 5850 TOXIC Edition is factory overclocked to 765MHz core and 1125MHz (4500MHz effective) memory speeds. SAPPHIRE’s World leading Vapor-X technology not only allows the card to run as much as 15 degrees C cooler and 10dB quieter than the standard models, it provides additional headroom for further performance tuning (overclocking).