bit-tech.net

What's the best 120mm case fan?

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500mph 28th September 2009, 10:43 Quote
Was not expecting this. Good article though, too bad I already bought my Fans.


Also,
Quote:
Fortunately, [bit-tech[/i] is here
The Infamous Mr D 28th September 2009, 10:44 Quote
This is an extremely useful article, guys! I was in the market for some decent 120mm fans, are you actually capable of clairvoyance?
Kyocera 28th September 2009, 10:45 Quote
I have a reclamation, or two:
- the trash bag used is to small
- and it should be of another colour (yellow, pink,..)
- pizza box should have been used

I hope you'll expand with bigger size ventilators,.. :D :D
billysielu 28th September 2009, 10:46 Quote
Hard to believe there's such a big variation in products which are essentially identical.
Baz 28th September 2009, 10:50 Quote
Quote:
Originally Posted by billysielu
Hard to believe there's such a big variation in products which are essentially identical.

I was really surprised by this too, but when you think of the huge differences in F1 car performance caused by minor additions in aerodynamic design, you start to understand how a few extra mm of plastic or a a few degrees of fin pitch can make a big, big difference.
zr_ox 28th September 2009, 11:07 Quote
Well my S-Flex are off to the bin.

Never did like their noise signature, they do cool wee though!

Thanks BT for a very informative and well put together article.
Claave 28th September 2009, 11:11 Quote
Quote:
Originally Posted by zr_ox
Well my S-Flex are off to the bin.

Never did like their noise signature, they do cool wee though!

No wonder you're putting them in the bin. Eurgh! :D
MajorTom 28th September 2009, 11:23 Quote
Thank you so much for this article. I'll be passing this around.
Rocket_Knight64 28th September 2009, 11:37 Quote
I heard alot about the Gentle Typhoon. I replaced my NF-P12's with the AP-14's and they are indeed much quieter and push alot more air despite the higher RPM. They are not quite so nicely finished though (cable is unbraided and a bit short, and fiddly to mount), but for half the price I can live with it. Now all we need is a 140mm version. :D

Are there any plans for more fan reviews? Of perticular interest are the enermax apolloish and akasa apatche (which is apparently made by Scythe so should not be tripe).
Stickeh 28th September 2009, 12:06 Quote
I'm so glad when i built my system i bought sharkoon!

I put an akasa amber fan in the roof the other day and it was so noisy! My system is almost silent, and thats the way i like it!
hexx 28th September 2009, 12:20 Quote
still, for me the best case fans are Nexus silent 120, got 5 of them in p182 at full speed and can't hear them, true i've got soundproofing in my case, but still after testing about 20+ different fans nexus came as a winner in my box.
shaffaaf27 28th September 2009, 12:27 Quote
Quote:
Originally Posted by 500mph
Was not expecting this. Good article though, too bad I already bought my Fans.


Also,
Quote:
Fortunately, [bit-tech[/i] is here

LOL I predicted this since i paid for this article a couple months ago ¬_¬
mrbens 28th September 2009, 12:35 Quote
This is a good article taken from CustomPC. How come you didn't post the other fan sizes you tested in the mag?

It would have been nice to see a Yate Loon fan in there, especially for the watercooling testing as they are widely regarded to be the best for this job.

Also seeing all the stats together like this but with actual cfm & dBA instead of 7/10 etc would have been more informative (IMHO):

http://images.bit-tech.net/content_images/2009/09/what-s-the-best-case-fan/sc1.jpg
http://images.bit-tech.net/content_images/2009/09/what-s-the-best-case-fan/sc2.jpg
http://images.bit-tech.net/content_images/2009/09/what-s-the-best-case-fan/sc3.jpg

Anyway, great stuff as usual. :D
sear 28th September 2009, 12:41 Quote
Very good job with this article, and an interesting way of measuring "real world" airflow. I have a couple of Scythe fans myself, though not the ones in the test. I've had a liking for them for a while due to their effectiveness and low noise.
DbD 28th September 2009, 12:46 Quote
Great article, but can you do a bit more please? As the radiator test showed there's a big difference between using a fan to shove some air in/out of the case and using one to shove air between the grills of a heatsink.

Would have liked you to run all the fans through something like a thermalright ultra 120 with the sides taped, then into your bag to measure their effectiveness for an aircooled heatsink.

Would also have liked you to measure some of the slower S-flexes.

Any chance of a follow up?
Yoy0YO 28th September 2009, 12:49 Quote
Thanks for the article! I was looking for something as well in the lines of a Slim Fan..
rickysio 28th September 2009, 12:50 Quote
No Yate Loons? ;(
WildThing 28th September 2009, 13:22 Quote
Quote:
bit-tech is here with a well-timed group test of 120mm fans

Lol, how very apt that phrase is for me, since it was only a week ago I bought my first Custom PC mag just for the fan article! :( Still, I guess there are more fans tested in the mag.
Lizard 28th September 2009, 13:25 Quote
For those that have asked - we'll be putting the other fan size reviews up shortly as we didn't want to put a monster 20+ page article up covering all fans sizes in one go.
Dave Lister 28th September 2009, 13:46 Quote
every time custom pc \ bit tech does an article like this, all my favorite e-shops sell out of the recommended items, i tried to get a 120mm "gentle typhoon this morning and no luck at all :(
Goty 28th September 2009, 13:52 Quote
I think the method for determining CFM is flawed in this article (if only for expressly determining only CFM).

As the garbage bag fills up with air, a pressure gradient forms from one side of the fan to the other, therefore bringing the static pressure of the fans into consideration. i.e. The airflow of each fan will fall off as the garbage bag gets inflated, with fans exhibiting higher static pressure performing better near the end of the test and therefore giving the impression of higher CFM.

I think a slightly better test setup would have been to create a shroud leading to an anemometer, which would remove the static pressure of each fan from consideration until the radiator test (which is where static pressure should actually come into play, anyhow).
earlydoors 28th September 2009, 13:53 Quote
Nice article, wish I read it before I installed 2xAntec 120mm Tri Cools... :(

Would have been good to see how they feature on this list...
Claave 28th September 2009, 14:22 Quote
Quote:
Originally Posted by Dave Lister
every time custom pc \ bit tech does an article like this, all my favorite e-shops sell out of the recommended items, i tried to get a 120mm "gentle typhoon this morning and no luck at all :(

That's probably the best compliment we've had for ages - so good I sent the post round the office to keep the ol' morale up!

We're expecting stock of the winner fans to be in shops in about 10-14 days, btw.
Ross1 28th September 2009, 14:32 Quote
its nice to have an article focused on the fans you can buy in the uk..... while madshimps and silentpc both do great fan reviews, they often list products which just arent available here.

There is more you could have done with the results you got. Your current airflow to noise graph doesnt really tell you anything. Its heavily biased towards airflow, mainly because while dba is logarithmic, cfm increases on a linear scale.... as a result all the high airflow fans are at the top, and the low noise fans are at the bottom.

you need something like a scatter graph to show what is going on with more clarity.
Diosjenin 28th September 2009, 14:45 Quote
Nice article - I'd been looking at the Gentle Typhoons for a while and had liked what I'd seen so far, so the positive reinforcement from you guys is nice.

I'd have liked to see some of the lower-speed S-Flex fans included, though. I know the S-Flex series comes highly recommended by SPCR. I think they generally discourage people from buying the G (the one you tested) as it is the highest RPM fan of the line and does make more noise than they like, but the rest of the line they're quite fond of. Any chance you could work an SFF21F and/or an SFF21E into a follow-up article?
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