Product specifications 
<br />Apparent size: 80mmx80mmx25mm
<br />Speed: 2500 ± 10%RPM
<br />Bearing type: bushing
<br />Service life: 10,000 hours
<br />Noise: 24DB ± 3DB
<br />Air volume: 32CFM
<br />Rated voltage: 12V
<br />Interface type: power 4P
<br />Speed monitoring: not supported
<br />Fan cable length: 20cm