GDSTIME 24V PWM 4010 40mm Hotend Heatsink Fan 2-Pack, 1.25mm 4-Pin Connector, Dual Ball Bearing Brushless DC Fan 40x40x10mm, Replacement for 3D Printer Cold End Cooling

["UPGRADE 3D PRINTING – High speed 24V 40x10mm fan, ideal replacement 40 mm fan for cooling heatsinks on hot ends, prints, and other 24V small applications that requires cooling or ventilation","MICRO SIZE 4-PIN CONNECTOR – Compact JST GB 1.25mm pitch 4pin connector ideal for tight spaces and high-density electronic applications; 200mm (7.9 in) cable length; please confirm your 3d printer model before ordering","PWM SMART FAN CONTROL – 8500rpm max., 1.25mm 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers (Full speed for maximum hotend cooling when required, quieter operation when less cooling)","DUAL BALL BEARING – 24V 4010 dual ball bearing fan runs up to 50,000 hours of continuous use at 77°F (25°C); offering smooth and efficient operation; Operating temperature: 14°F to 167°F; Perfect for dual extruder printers","Parameters – 40 x 40 x 10 mm (1.57 x 1.57 x 0.39 in.) | Voltage: 24 Volt | Current: 0.052 A | Power: 1.2 W | Speed: 8500 ±10% RPM | Noise: 37 dBA | Airflow: 8.24 CFM | Static Pressure: 0.22 In H2O | Includes 2 x 24V 4010 dc fan with screws and nuts"]