Pure Rock 2 Black is be quiet!’s CPU cooler for silent multimedia and graphics systems. It provides an excellent price-to-performance ratio with 150W TDP cooling efficiency, four 6mm heat pipes, a Pure Wings 2 120mm PWM fan and convenient design for mounting from atop the motherboard.EXCELLENT COOLING EFFICIENCYAn exceptional price-to-performance ratioPure Rock 2 Black is aimed at the essential category of PC systems. With 150W TDP it offers an excellent cooling capacity for multimedia and graphics systems, as well as entry level computers of all types.HIGH-PERFORMANCE HEAT PIPESEnsuring perfect heat transferPure Rock 2 Black is equipped with four 6mm heat pipes that have aluminum caps. This is key to its great cooling performance, because they transport the heat to optimum locations on the cooling fins.SILENCE-OPTIMIZED OPERATIONOnly 26.8dB(A) even at 100% PWM functionThe Pure Wings 2 120mm PWM fan with high-quality rifle bearing facilitates the best balance between cooling performance and silent operation. The 9 blades of the fan are airflow-optimized to reduce noise-generating turbulence.HIGHLY COMPATIBLE COMPACT DESIGNFits well into tight spacesThe asymmetrical construction does not block memory slots, saves space and makes Pure Rock 2 Black compatible with a full set of RAM modules. It is also very convenient to install, thanks to the fact you can mount it from above the motherboard.ELEGANT BLACK SURFACEGreat visual appearance at first glanceAn elegant black surface and the aluminum caps guarantee a nice appearance and make the Pure Rock 2 Black look right in any case.