we present the CPU Fan Be Quiet BK042 The Be Quiet BK042 CPU fan is a component designed to optimize air cooling in computer systems, providing an ideal balance between thermal performance and low noise. This model belongs to the Pure Rock Pro 3 line, known for its efficiency and quiet operation. Its structure combines high-quality materials like aluminum and copper, which improve heat dissipation from the processor to the heatsink. The fan is coated in an elegant black color that aesthetically fits most PC case interiors. Its approximate dimensions are 12 x 12 x 2.5 cm, offering a compact yet efficient format, with a declared width of 124 cm that likely corresponds to the heat pipe length or part of the cooling assembly. Its total height of 185.5 cm appears to reflect an aggregated or packaged measurement, showing a design aimed at optimizing airflow around the processor. It operates at 12 V, a standard current ensuring compatibility with most motherboards and existing cooling systems. Additionally, its system is designed for quiet operation, crucial for users who prioritize minimizing noise from their computers. This fan is ideal for those seeking to improve CPU cooling without sacrificing a quiet environment, combining conductive materials and engineering that guarantees efficient airflow. Overall, the Be Quiet BK042 Pure Rock Pro 3 is a solid technical solution to maintain desktop thermal stability, balancing build quality and acoustic performance. Recommended use: ProcessorCompatible: LGA 1155LGA 1150LGA 1151AMD AM4AMD AM5LGA 1700LGA 1200Type: Air coolerSelf-assembly Kit: YesNumber of pieces: 1 PieceVentilator: x 22Height: 185,5 cmWidth: 124 cmCertificate: RoHSCEWEEEULCable length: 0,12 mApprox. weight: 1,07 KGColour: BlackMaterial: AluminiumCopperVoltage: 12 VIncludes: Self-assembly KitApprox. diameter: Ø 12 cmApprox. dimensions: 12 x 12 x 2,5 cmSpeed: 2000 rpmNoise level: 14 dBUnits: 1 UnitConnections: 4-pin