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Case Fan

Rosewill Hyperborea 89.5 CFM 140mm Fan

( 4.7 Average / 6 Ratings )






Part #






Air Flow

89.5 CFM

Noise Level

12.5 - 22.2 dbA


600 - 1300 RPM

Static Pressure

2.76 mm/H2O

Bearing Type

HDB (Hydro Dynamic Bearing)


Super silent 14cm fan with S-FLOW blades supplying 30% more airflow than a standard fan at the same speed. The greater performance combined with PWM automatic speed control allows the fan noise to be kept to a minimum.
Max static air pressure: 2.76 mm H2O
Voltage rating: 12V DC
Fan life expectancy: 50,000 hours

Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Amazon $11.99 Free two-day shipping with Amazon Prime In stock $11.99
( 4 new from $8.66. Last updated 41 minutes ago. )
Newegg $11.99 +FREE s/h In stock $11.99
OutletPC $13.06 $13.06+
* Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Price History (Excluding Tax & Combo Deals) History:


markasoftware 7 points 20 months ago

Got it from a thrift shop for this price, and am very satisfied! Cool and moves a lot of air! My only issue with it is that the wire BARELY made it to the mobo. I had to reorient it several times and it still is almost stretching. Not sure whether to blame it on this, the mobo, or the case, however

snarkyCoder 31 points 19 months ago
from completed build TUF TUX

Silent! Good for situations where static pressure is needed!

600 -1300 RPM | 2.76 mm H2O | 89.55 CFM | 12.5 -22.19 dB

Works great as intake for my case, since the room for intake is very closed or has not much space. Would work great for radiators too.

xpr0metheusx 39 points 13 months ago
from completed build Come to the dark side...

I was skeptical about these fans at first because they aren't super popular but they are very nice. They push a good amount of air and are very quiet and low rpms. They are PWM too.

LibriLector 2 points 4 months ago
from completed build Budget for the Future

Working great for me. nice and quiet. blows air.