2 PCS 50mm 12V Cooling Fan, Icstation 0.08A 5010 5012 DC Silent Brushless Long Life Computer Fan for 3D Printer PC Computer Case Fan, 4200 RPM High 11.89 CFM

Silent Brushless Cooling FanAchieve near-silent operation with these 23 dB cooling fans featuring a 9-blade design for optimal quietness. Operating at 12V with 4200 RPM, they deliver 11.89 CFM.
Fast CoolingGet maximum cooling performance with minimal noise thanks to these cooling fan, which deliver fast airflow of up to 11.89 CFM.
Long Service LifeCooling fans are highly durable, with a lifespan of up to 20, 000 hours, and feature low coil temperatures during operation, which helps extend their service life.
VersatileThis square frame fan boasts excellent airflow and pressure properties, making it an ideal replacement for noisy or broken 12V 5cm fans in a variety of devices such as 3D printers, DVD players, DVRs, switches, and network/storage equipment. Cooling fans is also suitable for use in water cooling radiators or as case fans.
NoteCooling fan requires a 12VDC power supply/battery pack with a capacity of at least 80mA. It comes with a 2-pin connector ( 2.5 mm pitch) that is compatible with computer motherboards and 3D printer power systems.