Most CFM, Least dB 120mm Case Fan

helmutcheese said:
The new Noctua fans are far better than above model esp for Heatsink where pressure matters, the above has bad pressure.
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Which do you mean?

I heard sharkoon has bad pressure but the new scythe fans seem to have great pressure. One has 9 blades and will have less of a shaddow when strapped to a heatsink, the other is 38mm deep.

edit:// type-o (they're 38mm deep, not 35mm)
 
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Well look at the fan and go read 100 reviews, its got a hell of a gap at blade edges so its quieter, that in turn lowers its pressure.

Noctua now have newer fans that are higher pressure, and incase you did not know, higher pressure is needed for heatsinks esp where fins can be dense on some models.


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The above is their "new" cooler, its same as old one with 2 fins removed from bottom to clear some Mobos and they nickle plated it and added the new fan.

I have posted reviews of the new fans in these forums.
 
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Those YS-Tech fans are evil! Back in 2002, in my days of innosense, I bought an OCuk "special" case (cannot recall details, other than it cost about 100 squids) with four (4) of those 120mm and two (2) of the 80mm versions...

When all hooked up at 12v, my lounge became an extra local airport, or at least that is how it sounded to my neighbours!!! I still have the case today, with that original kx7-333 system in it (using it right now until I sort out new rig), but I only run the 80mm YS-Tech fan on the cpu and its still damn noisey compared to the system in my sig! :D
 
I sleep with my pc in the same room, so yeah silence is of the essence for me. Thus i have my case fitted with Nocuta NF-P12's and my TRU120 has a Noctua NF-P12 fitted because of the greater static pressure.
pretty much near silent.
 
I've been doing a bit of reading on case fans to refresh myself. I think for airflow/pressure/noise the kaze jyuni (slipstream) fans from scythe are the best. Noctua are second and then sharkoon.

This is only from reading and I can't find direct comparisons from a review site, only on forums.
 
Raikiri said:
Based on what? If it's a review then fair enough but you can't go by the specs... otherwise will would all be using 20db, 80cfm Thermaltakes.
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That one is reviews, personal experience and forum concensus but it's out of date. Yates are still the cheapest good fans going but sharkoons are no longer best cfm/db.
 
Chris Beard said:
That one is reviews, personal experience and forum concensus but it's out of date. Yates are still the cheapest good fans going but sharkoons are no longer best cfm/db.
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ditto the above. Shakoons were the daddy i remember reading on various water cooling forums where they did their own tests.. this was prob over a year ago now though.

/edit after reading this i think its time i silenced my beast. I am currently using a YSTech FD1225. It certainly does the job at 100 CFM but i've had Michael Fish predicting gale force winds in my house every morning when im about to turn on the PC. So is the general consensus that Noctua NF-P12 is the best CPU fan? Will it cool a Q6600 o/c to 3.2 ghz?
 
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I've used many a fan in my quest for silence, and the best I have found in terms of noise:cfm ratio have been Sharkoons, Nexus, and Noctua.

My current build is totally Noctua, and it is inaudible in my bedroom, and still very very cool.

Noctua are worth it if you shop around, got them MUCH cheaper than OCUK sell them for.
 
There's not really much difference in fan noise really, if the fans are running at equal speed.

I'd like to see a test of all fans at, say, 1000rpm...
 
Stu said:
I go for the Yate Loon fans... great performance at a great price. Generally regarded as being one of the few companies to advertise accurate dB and CFM numbers.

I recommend the SL for case fans and the SM for your CPU.
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Whatever you do don't get the yate loons if your wanting silence unless you run them at 5 or 7 volts then they're pretty quiet. Plus 4 quid is a steal
 
The problem with these uber-quiet fans is most of the noise comes not from the fan but rather from the air hitting the heatsink or case grille. They may achieve their rated dB in free air but, once up against something, it's anyone's guess.
 
Vertigo1 said:
The problem with these uber-quiet fans is most of the noise comes not from the fan but rather from the air hitting the heatsink or case grille. They may achieve their rated dB in free air but, once up against something, it's anyone's guess.
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Which is why Noctua's fin design is great, minimal turbulence from the fan itself, so as intakes and exhausts they are near enough silent, and are still bloody good on heatsinks.

I have one on my Scythe Katana 2, and another on my Acellero on my 8800GT.

I often walk into my room thinking my pc isn't on, lol
 
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