be quiet! Dark Rock 5

DARK ROCK 5 Dark Rock 5 is the compact embodiment of performance and high compatibility. With effortless installation and a silent fan, it is designed for passionate gamers of all kinds. - 6 advanced high-performance heat pipes - Silent Wings 4 120mm PWM fan for perfect air pressure and virtually inaudible operation - High RAM and VRM cooler compatibility thanks to an asymmetrical design and cut-outs on the heat sink - Achieves only 29.8dB(A) at maximum fan speed - Special black coating with ceramic particles enables perfect heat transfer and elegant look - A second fan can optionally be installed at the exhaust for even higher air pressure