be quiet! Dark Rock 4 CPU Cooler
Type: Cooler, Fan diameter: 13.5 cm, Rotational speed (max): 1400 RPM, Bearing type: Fluid Dynamic Bearing (FDB)
Width: 136 mm, Depth: 159.4 mm, Height: 74.3 mm
Product colour: BlackDark 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 4 offers an extreme cooling performance and virtually inaudible operation. Perfect for overclocked systems and demanding workstations.- Silent Wings 135mm PWM fan features an advanced fluid-dynamic bearing and a smooth 6-pole motor- Optimal balance of cooling and quietness with only 21.4dB(A) at maximum fan speed- Six high-performance copper heat pipes that provide maximal heat conductance- Wave-contoured cooling fins for increased air circulation- Special black coating with ceramic particles enables perfect heat transfer- Supports an additional 120mm fan; clips are included in scope of delivery- Easily installable black installation kit can be mounted from above- Elegant, brushed aluminum top cover with diamond cut finish- 3-year manufacturer’s warranty- Product conception, design and quality control in Germany
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