Factory is keeping updating material and tech, you may receive the different appearance but same function.
Parameters:40x40x15mm
Connector:2pin-Xh2.54
Rated Voltage:12V
Rated Current:0.08A±10%
Speed:5500RPM±10%
Airflow:6.7CFM±10%
Bearing Type:Sleeve
Noise Level:25.8dBA±10%
Cable Length:15cm