Factory is keeping updating material and tech, you may receive the different appearance but same function.
Dimensions: 40x40x20mm
Connector:2p(2.54)XP2.54-2P
Rated Voltage: DC:5V
Rated Current: 0.14A±10% Amp
Rated Speed: 6000±10%rpm
Air flow:6.68CFM
Noise: 25db±10%dBA
Bearing Type: Sleeve
Cable Lenght: 20cm
Weight: 23g/pcs