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Need a 140mm PWM case fan for ~300rpm

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Requirements: 140mm PWM case fan capable of sustaining very low (~300rpm) speeds.

I've been researching Noctua and be quiet! fans, but the minimum speed information can be conflicting or not even available. Anyone?

Currently I'm running some kind of Antec 2-speed non-PWM fan that does a minimum of 850rpm and chugs away like a Massey Ferguson in the background.
 
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Noiseblocker makes nice fans, have a 140mm facing impeller up, one of the more stressful positions for a fan, for the past 2 years no noise at all, no rattle, low speed fan but it moves plenty of air. I think its a PK-1.
 
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Rotational speed (+/- 10%)

1200 RPM
Min. rotational speed (PWM, +/-20%)

350 RPM




 
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Rotational speed (+/- 10%)

1200 RPM
Min. rotational speed (PWM, +/-20%)

350 RPM




I was looking hard at the Noctua NF-P14S, seems like a really good value option. Almost bought one but ended up spending extra on the NF-A14 Chromax. I've never tried Noctua before so it'll be interesting to see how it goes.

Noiseblocker makes nice fans, have a 140mm facing impeller up, one of the more stressful positions for a fan, for the past 2 years no noise at all, no rattle, low speed fan but it moves plenty of air. I think its a PK-1.
Yep this new fan will be top-mounted as well. Even when gaming it's the only case fan spinning because it's so effective at bringing system temperatures down.
 
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The Noctua fans are pretty good. Arctic F14 are also pretty good and can do the RPM range you want. They are also usually cheaper too.
 
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I'm surprised no one has mentioned Mag Lev fans


can go down to 400 RPM, but even at 900 they are absolutely inaudible.
 
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I'm surprised no one has mentioned Mag Lev fans


can go down to 400 RPM, but even at 900 they are absolutely inaudible.
Yes but you have to pay the Corsair tax
 
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Noctua fans are better than Corsair. based on my own testing.
You sure your batch wasn't shot or something?
Cause ML's are NOT SP's or AF's, not even close
 
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You sure your batch wasn't shot or something?
Cause ML's are NOT SP's or AF's, not even close
Here are some nice inexpensive (Chinese made) Noctua fans


Here is the cheapest Corsair ML 140 fan on the same site.


I have both of these and when it comes to acoustics the Noctua wins every time. Performance is meh between the 2 though.
 
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Here are some nice inexpensive (Chinese made) Noctua fans


Here is the cheapest Corsair ML 140 fan on the same site.


I have both of these and when it comes to acoustics the Noctua wins every time. Performance is meh between the 2 though.
Yeah, well there's definitely something wrong with the pricing in your country
I can get a pack of 2 ML140's for a price of a single NF-A14
 
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Yeah, well there's definitely something wrong with the pricing in your country
I can get a pack of 2 ML140's for a price of a single NF-A14
It is called welcome to Canada
 
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Noctua fans are better than Corsair. based on my own testing.
Noctua fans & heatsinks are made by Kolink dba Coolink

Not sure who makes corsair or artics fans but it's not like there are that many oems out there (protechnic, global, yate loon, ong hua, etc., etc.,)
 
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Noctua fans & heatsinks are made by Kolink dba Coolink

Not sure who makes corsair or artics fans but it's not like there are that many oems out there (protechnic, global, yate loon, ong hua, etc., etc.,)
Are not Noctua fans completely designed by them (not a jab just asking); that to me has more weight than who is actually manufacturing the fan. As far as Arctic I would get those because of price/performance at $8.99 they are kind of academic to me.
 
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Are not Noctua fans completely designed by them (not a jab just asking)
I've never worked for Noctua so I can't say how much input they have but I would assume far more then most companies (if not more then any other competitive company). I know from my own experience that often the OEM comes to you with their line up of products and i would assume that happens far more often for case fans.

My own personal experience, Artic is OK but can get noisy past 900rpm. Scythe and phanteks are better but can get noisy past 1200rpm. For $4 more I'll take the Noctua fan every time. I find antec & corsair over priced and avoid cooler master and thermaltake. I've had great luck with Enermax twister fans but their overall reviews suck.
 
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