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Watercooling rad fan crisis

post #1 of 9
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I've heard that ap-15's might be becoming completely unavailable soon. What fan is the next best thing?
post #2 of 9
People tend to like the Corsairs. Yate Loons are supposed to be the best bang for the buck. If you can live with really noisy fans then Panaflo or Deltas. I believe there's a fan guide by Tatertot if I remember correctly, you'll have to dig for it to see which fan has the best static pressure.
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post #3 of 9
Corsair SP120 High Performance are nice, and they look excellent as well!
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post #4 of 9
if you dont mind the looks and price Noctur NF-F12s are better then the Ap-14s...and just as ugly
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post #5 of 9
Might have a look at some of the responses on this thread ...

http://www.overclock.net/t/1450716/anything-better-than-gt-ap-15s-need-help-selecting-32-rad-fans/0_20

My first 120mm fans on a rad were Corsair SP120 high performance edition fans, and even when slowed way down with a fan controller they sounded like buzzsaws. They weren't 'loud' as much as the noise they did give off was distracting/annoying-sounding.The SP-120s were quiet as anything by themselves as a case fan, but when I put them on the rad and the sound was terrible. I tried using gaskets thinking that might quiet them, but they made no difference.

I replaced the SP120s with coolermaster sickleflows, which were basically junk fans I already had, but they were definitely an improvement over the SP120s in how quiet they were, and they cooled alright in push-pull at higher rpms, and they served the purpose until I got AP-14s to replace them with. The GTs were a dream. The hum they make even at 100% trying to push/pull through a rad is pleasing-sounding, unlike any other fan. To compare a Corsair SP120 to a Gentle Typhoon ought to be a crime.

As soon as I heard the news about Nidec & Scythe I ordered 8 AP-15s. If there's any still to be had at any decent prices after the holidays I'll probably try to grab at least 6 more. Unless somehow Nidec or Scythe work out some way to continue making them, I'm doubtful there ever will be any other fans that perform like GTs in the perfect balance between noise & static pressure.
Edited by Unicr0nhunter - 12/16/13 at 12:16am
post #6 of 9
Yate loons. corsair sp120s, not even close. And the rights to the design of the gt's is owned by nidec, they will surely re-release it under a different name(the fans are legendary, why would anyone want to throw that away?)
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post #7 of 9

SP120s are garbage if you want the best static pressure vs noise. That is why the AP-15s were so lauded. They didn't have the greatest CFM at max RPMs, but they were the king when you undervolt your fans into silence.

 

The best fans for silence/CFM besides the AP-15s would be the Noiseblocker E-Loops, Cougar Vortex HDB, Gelid Wing 12, Noiseblocker NB-Multiframe, Silverstone AP121s.

 

The SP120s are only worth it if you give no cares on noise. Also, even if the AP-15s have been discontinued, you realize that FrozenCPU and PCPP still have some stock left? So go ahead and pick those up imo.

post #8 of 9
Trust fans to elicit passionate exaggeration. As Martin showed in his recent tests of late model high speed fans the SP120's were consistently 3rd in noise levels for air flow.
So, if GT's are not available, or you want a fan that actually looks good, or you don't like the whiney pitch of Gt's, Then NB Eloops are a good bet. If you want to run push/pull though then Eloops will severely disappoint. They produce an awful droning noise on radiators in pull or push/pull ... they only work well in push. I really wanted them to work but they just don't.
So if you want two layers of fans for more airflow at lower RPM's the SP's are it. They beat out the Cougar and Noctua

As Martin said if always undervolting to low speed then any fan will do. It doesn't really make sense to spend a lot of money on fans that work well at high speed if they aren't going to be used.
If the fans will be used at higher speed the SP's look good, don't have a penetrating whine at high speed and have no issue running in pull or push/pull on radiators. They sure don't register lowest on a sound pressure level meter like GT's but there are many worse choices.
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post #9 of 9
Corsair SPs aren't 'loud', they make a terribly annoying frequency sound when placed against a restriction like a rad. And that doesn't show up on any test. I just can't stand the sound they make even with speeds turned down to where it's barely audible. I have 6 SP120s and consider them to be the worst fan purchase I ever made. I also have noctuas, blacksilentpros (pl2 & pk3), sharks, and sickleflows, and all perform better than SP120s on a rad imho, but none compare to gentle typhoons.

What makes GTs so great, isn't the decibel-level or that they out-cool any other fan, but rather that at higher rpms up against a rad they produce a hum that is completely unobtrusive while managing to cool very well. I consider the noise GTs make to be quite pleasing-sounding. It's truly unique. I've never heard a hum anything like it from any other fan.
Edited by Unicr0nhunter - 12/16/13 at 1:20am
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