Be Quiet! Dark Rock 4 Cooler BK021 Extreme Cooling Performance with Dark Rock 4 Cooler BK021 We designed Dark Rock 4 Cooler BK021 for people who want power and silence. It is a great product that can: Cool down faster computers and hard-working machines Handle a heat output of 200 watts Run almost quietly Virtually Inaudible Silent Wings 135mm PWM Fan This fan has a power of 135mm and makes less noise. It reaches only 21.4dB(A) at full speed. It also cools your computer well with its: smooth blades strong bearing separate mount Extreme Cooling Power for Demanding Applications Dark Rock 4 doesn't compromise on silence while delivering an impressive 200W TDP cooling capacity. Whether tackling overclocked systems or graphics-intensive applications, this cooler maintains low temperatures even during peak CPU performance. Highly Advanced Design for Optimal Cooling Equipped with six advanced technology 6mm copper heat pipes, Dark Rock 4 maximizes heat conductance. The airflow-optimized, wave-contoured cooling fins with small dots enhance air circulation, complemented by a special black coating with ceramic particles for optimal heat transfer. Single-Tower Layout for Compact Spaces The compact single-tower design efficiently dissipates heat in confined spaces. With one pre-installed fan and the option to add another 120mm fan, Dark Rock 4 ensures powerful cooling for your components. User-Friendly Elegance in Installation The parts fit well with how the cooler looks. You can mount it in style and easily. It also has a nice top cover that is shiny and made of metal. This cooler is great for your computer. Specifications at a Glance Type: Heatsink and Fan Compatibility: Intel: LGA 1700/1200/1150/1151/1155/2011(-3) Square ILM, AMD: AM4/AM5 TDP: 200W Fan Connector(s): 4-pin LED Lighting: No Color: Black Material: Fin material - Aluminum; Base material - Copper; CPU contact surface - CNC machined Weight: 0.92 kg Fan Dimensions: 135 x 135 x 22 mm Dimensions: 159.4 x 136 x 96.3 mm Fan Controller: PWM Rotation Speed: 1400 RPM (@ 100% PWM) Fan Bearing: Fluid Dynamic Bearing Noise Level: 10.5/15.6/21.4 dB(A) Power: Input - 1.32W MTBF: 300,000 hours (approx.) Warranty: 3 Years Elevate your cooling game with the Be Quiet! Dark Rock 4 Cooler BK021 – where power meets silence in a sleek and efficient design.