The fan uses Maglev bearings . The official data is as follows:
Specification: 40 * 40 * 10 (mm)
Current: 0.065A
Power: 0.8W
Rated voltage: 12V
Interface: 2Pin interface (2 wires, wire length is about 10 cm)
Speed: 4500RPM
Air volume: 5.3CFM
Wind pressure: 0.06Inch-H2O
Noise: 16 (DBA)
Weight: 14.7G