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Excellent service even for an international delivery (USA). Product arrived timely and in perfect condition. Jonsbo U1 Plus... (7th August 2017 via Trustpilot)
40mm x 10mm Quiet Cooling fan
(2 reviews)

Rasurbo 40mm x 10mm Quiet Cooling fan

This Rasurbo "Basic Silent" 40mm fan provides the performance of a high-end fan at an attractive price; the perfect solution for anyone looking for a quiet, high-performance quality fan that doesn't cost a fortune!

Fan size (edge to edge)40 mm
Screw hole spacings32 mm
Air volume at full speed (12V), CFM ±10%4.7
Noise level at full speed (12V), dB(A)19.0
Fan speed at full speed (12V), RPM ±10%4300
Power consumption, A0.65
Weight, g16
Approximate cable length, cm30
Life expectancy @ 25°C continuous use2 years
Power connector3-pin
Bearing typeSleeve
Mounting hardware includedNone
Fan depth10 mm
Rated voltage12 VDC
Warranty24 months
EAN barcode4716123312321

Customer Reviews

Fan speed higher than stated


As mentioned by the previous reviewer, this fan runs a lot faster than stated (4300 rpm). In a cool and spacious environment, the fan rarely dropping below 5,000 rpm & often peaked at 6,000 rpm.

This leads the fan to be not as quiet as suggested in the spec but it's still a fairly quiet fan for a 40mm.

The best 40mm fan I've seen.


I bought this fan because I needed a fan for my motherboard's chipset. I have an ASUS P6T Deluxe V2, which has a passive chipset cooler with option to install a 40mm fan on it. Previously I have had bad experiences with 40mm fans. They were usually noisy and had low airflow, so I believed that all 40 mm fans were something to stay away from.

When this fan came I was really surprised in a positive way. It does emit a specific sound, but unless I am very close to the fan and actively listen to it, I can't hear it!

It also has a very good airflow.

One strange thing about it is that mine never got under 5000RPM, and usually its speed ranges between 5200 and 5900.

It came in a really small brown cardboard box which contained the fan and 4 screws.


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