Quick overview from the supplier:
PC Case Fan GAMEMAX GMX-GF12B, 120mm, 23.4dB, 46.5CFM, 1100RPM, Hydraulic bearing, Blue LED, 3&4 Pin
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Measurement 120*120*25mm
Rated voltage 12DCV
Operating voltage 10.8-13.2DCV
Starting voltage MAX 7.5DCV
Ratedcurrent 0.12~0. 03AMP
Rated speed 1100±10%RPM
Noise level 23.4DB
Air flow 46.5CFM
MTBF 30000 hours at 25℃ 65%RH
Bearing type Hydraulic bearing
Connector type 3&4pin
http://www.gamemaxpc.com/product/showproduct.php?id=334