Performance Loudness (db) Datasheet
1400 u/min
21 dB/A Download
Details:
Original (((Noiseblocker))) Quality: 
high-quality units an longlife bearings.
Ultra silent:
Perfectly on silent PC's co-ordinated numbers of revolutions for almost noiseless operation.
high reliability:
with longlife sleeve bearings and most modern design 
The failure rate is below 0,15% on 100 000 units per year.
Technical specifications:
Size: 120x120x25mm
Loudness: 21dB/A
Airflow: 98 m3/h
Connection: 3 Pin Molex