Cooler master hyper 212x 4 heatpipe 1x 120 pwm fan tower cpu cooler high performance copper heatpipes with a fusion bonded copper powder wick patented cdc technology ndash 4 direct touch heatpipes creating a gap less contact surface aluminum fin array with new tunnel effect layout for improved heat dissipation 4th generation bearing ndash mtbf of 160 000 hours thanks to highly durable pom components redesigned fan blades that create vortices to boost airflow without creating more noise