we present the Laptop Fan Be Quiet BK031 The BK031 laptop cooler from the renowned brand Be Quiet is a cooling system designed to provide efficient thermal management for processors with a TDP of up to 230 W, compatible with a wide range of Intel sockets, including 1851, 1700, 1200, 2066, 1150, 1151, 1155, and 2011(-3) Square ILM, as well as AMD AM5 and AM4 sockets. This set includes two 135 mm Silent Wings 3 PWM fans, operating at maximum speeds of 1300 and 1400 rpm, achieving very controlled noise levels between 11.1 and 27.1 dB depending on load, ensuring quiet cooling without sacrificing performance. The airflow at maximum speed exceeds 86 CFM, guaranteeing optimal heat dissipation even under heavy loads. The fans feature fluid dynamic bearing technology and 6-pole motors that enhance durability and operational efficiency, supported by an estimated lifespan of 300,000 hours at 25 °C. The heatsink stands out for its aluminum fins with ceramic coating, which improve thermal transfer and corrosion resistance, and a CNC-machined copper base that ensures a perfect contact surface with the processor. It is equipped with six 6 mm diameter heat pipes that optimize thermal fluid circulation to maximize dissipation. The system dimensions are 163 x 140 x 107 mm with a weight of just 0.95 kg, providing a compact yet robust solution for chassis with limited space. The fan connects via a 4-pin PWM connector with a 220 mm Y-shaped cable, facilitating motherboard control for dynamic adjustment based on temperature. Its design and international certifications CE, UL, and TÜV guarantee quality and regulatory compliance, while its manufacture incorporates premium materials such as aluminum, copper, and rubber to reduce vibrations and increase stability. Additionally, it complies with environmental directives like RoHS, WEEE, and Triman. Its black color finish gives it a sober and professional look, matching high-end components. Overall, the Be Quiet BK031 is an advanced cooling solution for enthusiasts and professionals who demand a balance between silence, performance, and broad compatibility, standing out for its German engineering and quality materials that ensure reliability and long-lasting thermal efficiency. Type: CoolerSelf-assembly Kit: YesVoltage: 12 V230 VWidth: 140 mm14 cmColour: BlackMaterial: AluminiumCopperNatural rubberLanguage: EnglishVentilator: 2Includes: Self-assembly KitScrewsUser manualSpeed: 1400 rpmPower: 230 WCertificate: CE - RoHSTechnology: FDBUnits: 1 UnitConnections: 4-pin