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Case Fan

Rosewill - Hyperborea 89.55 CFM 140mm Fan

( 4.4 Average / 11 Ratings )






Part #






Air Flow

89.55 CFM

Noise Level

12.5 dB - 22.19 dB


600 - 1300 RPM

Static Pressure

2.76 mmH₂O

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

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Merchant Base Promo Shipping Tax Availability Total
OutletPC $11.89 +FREE s/h In stock $11.89
Amazon $11.99 +FREE s/h In stock $11.99
( 4 new from $11.99. Last updated 1 hour ago. )
Newegg $11.99 +FREE s/h In stock $11.99
Newegg Business $11.99 +FREE s/h $11.99
* 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) History:


markasoftware 7 points 41 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 32 points 40 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 34 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 4 points 25 months ago
from completed build Budget for the Future

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

vlorg 40 points 20 months ago

Great price-performance ratio, but they produce an audible PWM ticking noise that is hard to ignore at low RPMs.

LightningManGTS 5 points 17 months ago
from completed build Guardian-GWS 2.0 (Finally Ryzen)

Quite good for the price to cfm to loudness ratio

alsimoneau 33 points 15 months ago
from completed build Sekmet

Pretty quiet yet seems to move a lot of air. Sleeved cables are nice. The rubber things to install them look a bit odd, but hey, it works.

bradbaum 22 points 14 months ago
from completed build New Ryzen 1700X Build

Nice 140's. Well-made and pretty quiet (can hardly hear them at normal speeds).

Lydonian 21 points 10 months ago
from completed build My First Build - Darth's Oasis

This fan surprised the hell out of me. I didn't think an $11.99 fan would work this well. But I am happily surprised. It is fairly quiet, with a headset on you won't notice anyway, so who cares! Comes with rubber screws (if that is what you call the rubber things you pull through) which took me a while to figure out but once I got it they are super convenient and I wish my other fans had them.