Supermicro FAN-0141L4 40x40x56 mm 20.5K RPM / 17.6K RPM Fan
Easy installation and excellent cooling
Fully tested, and validated by Supermicro
Counter-Rotating Fan - 40 x 40 x 56mm
Compatible with Various Supermicro Chassis
40x40x56 mm 20.5K RPM / 17.6K RPM for SC118G, SC818G Chassis - Counter-rotating Fan