What type of bearing do these fans use, and what is the expected lifespan?

The fans use Hydraulic bearings, and the expected lifespan is 40,000 hours.

What is the size of these cooling fans?

The size of these cooling fans is 140mm x 140mm x 25mm.

The noise level of the fans is 34.5 dB-A for the standard fan blade and 38.8 dB-A for the reverse fan blade (per fan).

The air flow performance of these fans is as follows: Standard Fan Blade provides 81.6 CFM per fan, and Reverse Fan Blade provides 79.3 CFM per fan.

The fans require a rated voltage of 12 V and 5 V, with a fan started voltage of 9.0 V. The power input is specified as 12 V – 3.84 W.

S$112^.31

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Ships from United States.

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Specs

Reviews

Details
Fan Counts	3 Fans
Type	Case Fan
Fan Size	140mm
Fan Thickness	25mm
Bearing Type	Hydraulic
RPM	500 ~ 2000 R.P.M
Air Flow	Standard Fan Blade : 81.6 CFM (one fan) Reverse Fan Blade : 79.3 CFM (one fan)
Air Pressure	Standard Fan Blade : 3.17 mm-H2O (one fan) Reverse Fan Blade : 2.73 mm-H2O (one fan)
Noise Level	Standard Fan Blade : 34.5 dB-A (one fan) Reverse Fan Blade : 38.8 dB-A (one fan)
Power Connector	4 Pin
Color	White
LED	ARGB

Dimensions & Weight
Dimensions	140 x 140 x 25 mm

Additional Information
First Listed on Newegg	March 15, 2024

Return for refund within: 30 days

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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.