Description: 
General Information
Manufacturer:  Listan GmbH & Co.
Manufacturer Part Number:  BK035
Brand Name:  be quiet!
Product Line:  Dark Rock 5
Product Name:  Dark Rock 5 Cooling Fan/Heatsink
Marketing Information:  
Unleashed performance and compatibility 
Dark Rock 5 is the compact embodiment of performance and high compatibility for a virtually inaudible, formidable gaming experience.
Highlights
-   6 advanced high-performance heat pipes
 -   Silent Wings 4 120mm PWM fan for perfect air pressure and virtually inaudible operation
 -   High RAM and VRM cooler compatibility thanks to an asymmetrical design and cut-outs on the heat sink
 -   Achieves only 29.8dB(A) at maximum fan speed
 -   Easy mounting thanks to pre-fixed mounting bridge and screws
 -   Special black coating with ceramic particles enables perfect heat transfer and elegant look
 -   Magnetic mesh top cover hides the heat pipe ends
 -   Compatible with liquid metal thermal grease
 -   A second fan can optionally be installed at the exhaust for even higher air pressure
 -   3-year manufacturer's warranty
 -   Product conception, design and quality control in Germany
 
Product Type:  Cooling Fan/Heatsink
 Fan Information
Number of Fans:  1
Fan Speed (Max):  21 rpm
Maximum Airflow:  55 CFM (93.45m³/h)
Noise Levels (A-Weighted):  29.8 dB(A)
Fan Life:  34.2 Year
Maximum Air Pressure:  2.73mmH2O
Heatsink Information
Cooler Type:  Air
Number of Heat Pipes:  6
Compatible Intel Socket:  LGA-1700LGA-1200H3 LGA-1150H4 LGA-1151H2 LGA-1155Compatible AMD Socket:  AM5AM4Interfaces/Ports
Connectors:  4-pin PWM
Physical Characteristics
Heatsink Material:  Aluminum
Maximum Fan Diameter:  4.72" (120 mm)
Fan Height:  0.98" (25 mm)
Fan Width:  4.72" (120 mm)
Height:  6.34" (161 mm)
Width:  5.35" (136 mm)
Weight (Approximate):  2.23 lb (1013 g)
Miscellaneous
Application/Usage:  MotherboardPCWorkstationProcessor