Processor Cooler 120/135 mm 1500 RPM Supported processor sockets: LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, LGA 2011 (Socket R), LGA 2011-v3 (Socket R), LGA 2066, Socket AM4, Socket AM5 24.3 dB Fluid Dynamic Bearing (FDB) Pulse-width modulation (PWM) support 135 x 135 x 22 mm Black Dark Rock is the high-end series of the be quiet! range of CPU coolers. It comprises double-tower, single-tower and top-flow cooler designs. They all offer incredible performance-to-noise ratios and the highest reliability available with absolutely no compromise in silence and performance. Dark Rock coolers are virtually inaudible and place the famous be quiet! SilentWings® technology at the heart of your PC. They are excellent for overclocked systems and demanding multi-graphics platforms.No Compromise Silence and PerformanceDark Rock Pro 4 offers immense cooling performance of 250W TDP and virtually inaudible operation. Excellent for overclocked syste