be quiet! Dark Rock Pro 4

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.\n\nNo Compromise Silence and Performance\n\nDark Rock Pro 4 offers immense cooling performance of 250W TDP and virtually inaudible operation. Excellent for overclocked systems and demanding workstations.\n\n- Two Silent Wings PWM fans feature advanced fluid-dynamic bearings and smooth 6-pole motors\n- Funnel-shaped frame of the front Silent Wings 3 fan provides extremely high air pressure\n- Achieves only 24.3dB(A) at maximum fan speed\n- Seven high-performance copper heat pipes provide maximal heat conductance\n- Wave-contoured cooling fins for increased air circulation\n- Cutouts on the cooling fins enhance the RAM compatibility\n- Special black coating with ceramic particles enables perfect heat transfer\n- Supports an additional 120mm fan; clips are included in scope of delivery\n- Easily installable black installation kit can be mounted from above\n- Elegant, brushed aluminum top cover with diamond cut finish\n- 3-year manufacturer’s warranty\n- German product conception, design and quality control