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be quiet! Dark Rock 4 CPU Cooler

Features: – 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 Specification: – Model: Dark Rock 4 – Overall dimensions without mounting material (L x W x H), (mm): 159.4 x 136 x 96.3 – Total weight (kg): 0.92 – TDP (W) 200 – Socket compatibility: Intel: 1700 / LGA 1200 / 1150 / 1151 / 1155 / 1156 / 1366 / 2011(-3) Square ILM / 2066 AMD: AM2(+) / AM3(+) / AM4 / FM1 / FM2(+) – Fans 1x Silent Wings 135mm PWM – Overall noise level (dB(A)) @ 50/75/100% (rpm): 10.5 / 15.6 / 21.4 Fan Specification: – Fan dimensions (mm): 135 x 135 x 22 / 120 x 120 x 25 – Speed @ 100% PWM (rpm): 1,400 – Bearing technology: Fluid Dynamic Bearing – Motor technology: 6-pole fan motor – Rated voltage (V): 12 – Input current (A): 0.11 – Input power (W): 1.32 – Connector: 4-pin PWM – Cable length (mm): 220 – Lifespan (h / 25°C): 300,000