be quiet! BK021 Dark Rock 4 - CPU Cooler - 200W TDP Intel: LGA 1150 / 1151 / 1155 / 1156 / 1366 / 2011(-3) Square ILM / 2066 AMD: AM2(+) / AM3(+) / AM4 / FM1 / FM2(+)
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3.25 lbs.(1.48 kg)
Specifications Mfr Part Number: BK021 Features: Virtually inaudible Silent Wings 135mm PWM fan Achieves only 21.4dB(A) at maximum fan speed Six high-performance copper heat pipes Airflow-optimized, wave-contoured cooling fins Easily installable black installation kit can be mounted from above Supports an additional 120mm fan; clips are included in scope of delivery Brushed aluminum top cover with diamond cut finish German product conception, design and quality control Socket Type: Intel: LGA 1150 / 1151 / 1155 / 1156 / 1366 / 2011(-3) Square ILM / 2066 AMD: Socket AM2(+) / AM3(+) / AM4 / FM1 / FM2(+) Fan: Model: Silent Wings 135mm PWM Speed: 1400 RPM @ 100% PWM Noise Level: 50% RPM - 10.5 dBA, 75% RPM - 15.6 dBA, 100% RPM - 21.4 dBA Rated Voltage: 12 V Input Current: 0.11 A Input Power: 1.32 W Bearing Type: Fluid Dynamic Bearing Motor: 6-pole Fan Motor Connector: 4 Pin PWM Cable Length: 220 mm Life Expectancy: 300,000 hours @ 25°C Dimensions: 135.0 x 135.0 x 22.0 mm Heatsink: Heat Pipes Number / Diameter: 6x Ă¸6 mm Material: Copper Base / Aluminum Fins Number of Fins: 51 CPU Contact Surface: CNC machined Surface Treatment: Aluminum / black ceramic spray painted Dimensions(W x L x H): 136.0 x 159.4 x 74.3 mm Thermal Design Power: 200 W Dimensions (WxLxH): 136.0 x 159.4 x 96.3 mm (Overall) (w/o mounting material) Weight: 0.92 kg
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