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Best radiator fan for an upcoming upgrade?

post #1 of 17
Thread Starter 
Hello OCN! I'm sure this question comes up quite a lot, so I'm sorry. However, I plan on purchasing a H220 to replace my H100i as soon as the H220 is released. I was wondering what are the best fans to get for that radiator? I want to achieve the best performance possible while keeping the system near 100% silent. I also plan on replacing the case fans, so any recommendations for best performance while maintaining silences would be wonderful. Price does not matter to me.
post #2 of 17
As far as I know, Scythe Gentle Typhoon is the best radiator fan. They come in multiple speeds. I would go for 1850rpm and control them via a fan controller.

You can buy one with nice sleeved cable here.

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=36_1130_49_1043&products_id=24749

The only downside is it's design/color.
post #3 of 17
Thread Starter 
Quote:
Originally Posted by Whalemeal View Post

As far as I know, Scythe Gentle Typhoon is the best radiator fan. They come in multiple speeds. I would go for 1850rpm and control them via a fan controller.

You can buy one with nice sleeved cable here.

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=36_1130_49_1043&products_id=24749

The only downside is it's design/color.

I can care less about design/color because I won't be looking inside my closed, windowless case. smile.gif How loud are the GTs? Do they undervolt well if I decided to run them at 800 or 1000 rpm? Would they also be good as a case fan replacement (1/2 fans)? My case is a Cosmos II. I'm really looking to have an amazing performance, near soundless build, while being ~1-2 ft away from the case. I plan on delidding my 3770k once the H220 is available.
post #4 of 17
The Swiftech Helix that come with the unit are already extremely good. They may not push as much air as the GTs but they are dead quiet.
post #5 of 17
Quote:
Originally Posted by Whalemeal View Post

As far as I know, Scythe Gentle Typhoon is the best radiator fan.
Very far from the truth, if you're talking all 120mm x 120mm fans of all thicknesses. The amount of people that believe this amazes me more all the time. Even if you're only narrowing it down to 25mm-thick fans, they're still not the best rad fan. GTs just have the best noise profile relative to their CFM; actual produced static pressure is unimpressive compared to S-Flexes, ZM-F3s, Yates, even Noctua NF-F12s (despite most other Noctua fans being as unimpressive as GTs); you want static pressure out of a fan for rads, not raw CFM. The noise profile of those fans may not be exactly as good as GTs but they do perform better and can sound nearly as good. Going into 38mm-thick territory, pretty much everything beats GTs in every respect on every radiator, it's not even really fair to compare at that point, especially if the fans are intended for use on thick/high-FPI rads.

PG; if you can fit 38mm-thick fans to the rad, you should take it into consideration. Fans in that category may be overkill, but only if really run at full speed. Undervolted to the same speeds, most 38mm-thick fans will toast every 25mm-thick fan out there in terms of noise, noise profile, static pressure, power draw, CFM.... well, everything, as I said.
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Deep Blood
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post #6 of 17
Quote:
Originally Posted by Chunky_Chimp View Post

Very far from the truth, if you're talking all 120mm x 120mm fans of all thicknesses. The amount of people that believe this amazes me more all the time. Even if you're only narrowing it down to 25mm-thick fans, they're still not the best rad fan. GTs just have the best noise profile relative to their CFM; actual produced static pressure is unimpressive compared to S-Flexes, ZM-F3s, Yates, even Noctua NF-F12s (despite most other Noctua fans being as unimpressive as GTs); you want static pressure out of a fan for rads, not raw CFM. The noise profile of those fans may not be exactly as good as GTs but they do perform better and can sound nearly as good. Going into 38mm-thick territory, pretty much everything beats GTs in every respect on every radiator, it's not even really fair to compare at that point, especially if the fans are intended for use on thick/high-FPI rads.

PG; if you can fit 38mm-thick fans to the rad, you should take it into consideration. Fans in that category may be overkill, but only if really run at full speed. Undervolted to the same speeds, most 38mm-thick fans will toast every 25mm-thick fan out there in terms of noise, noise profile, static pressure, power draw, CFM.... well, everything, as I said.

Well "best' can mean many things.If you don't care about noise, you can go for 38T 5000rpm fans for maximum performance. But I don't think people who do water cooling want that much noise. So it's trade-off between noise and airflow under radiator restriction. Martin's multiple experiments show that GT AP-15 has the "best" Noise - Airflow frontier. Also, static pressure in a single number doesn't mean anything. It's the pressure - flow curve that matters just like the water pump. All you need to care about is the actual air flow under certain flow restriction imposed by radiators.

Note also that very limited number of case allows you to have 38T fans push-pull on a radiator. I'm not sure how single 38T fan fares vs 25T push-pull in terms of noise-airflow frontier.

EDIT> Kind of coincidence that Martin just posted a nice article about static pressure - air flow stuff.
http://www.overclock.net/t/1362214/why-static-pressure-air-flow-suck-at-providing-real-world-fan-performance
Edited by Whalemeal - 2/18/13 at 9:55pm
post #7 of 17
Quote:
Originally Posted by Whalemeal View Post

Martin's multiple experiments show that GT AP-15 has the "best" Noise - Airflow frontier. Also, static pressure in a single number doesn't mean anything. It's the pressure - flow curve that matters just like the water pump. All you need to care about is the actual air flow under certain flow restriction imposed by radiators.
You'd have a point if he tested with more than a thin Swiftech radiator... his results would turn out way different numbers if he used a Magicool Monsta (redone into Feser and [likely] Alphacool Monstas) or a Black Ice GTX. I'm not faulting him for sticking to one rad, if that's all he has at his disposal or can afford, then that's fine.
Quote:
Originally Posted by Whalemeal View Post

EDIT> Kind of coincidence that Martin just posted a nice article about static pressure - air flow stuff.
http://www.overclock.net/t/1362214/why-static-pressure-air-flow-suck-at-providing-real-world-fan-performance
Yeah, I've seen it. Doesn't seem to have any bearing on what I said.
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post #8 of 17
Cooling technique tested gentle typhoons, SP120's and Noiseblocker eLoops on radiators. The A.T.R figure is the airflow through a 9FPI radiator. The more air through the rad, the more cooling you get. Edit: The radiator is listed as a TFC Xchanger that they describe as being 9FPI but reviews of that radiator describe it as around 12FPI


http://www.coolingtechnique.com/recensioni/74-ventole-rheobus/630-recensione-scythe-gentle-typhoon-ap-13-e-ap-14-.html?start=3


http://www.coolingtechnique.com/recensioni/74-ventole-rheobus/1125-recensione-noiseblocker-eloop-s-series.html?start=5


http://www.coolingtechnique.com/recensioni/74-ventole-rheobus/1058-recensione-corsair-air-serie-120-a-140mm.html?start=6



The AIO radiators are quite dense so static pressure starts to play a more important role compared to low FPI rads so the results with an AIO would be different to what you see here.
Even so, there are better performing and quieter fans than Gentle Typhoons.

Aiming for complete silence with an AIO cooler is not really realistic unless your willing to put up with performance (actual end result temperatures) worse than air cooling. As long as you accept that all is fine.
Edited by Jakusonfire - 2/19/13 at 12:11pm
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post #9 of 17
I using the Enermax T.B. Silence 120mm fans with my radiators-> http://www.enermaxusa.com/fan_uctb12.php

What do you think? They're awesomely silent, but they run at 900 rpm, with a 2x120 and a single 120 radiator my CPU reaches 40 °C max, it seems pretty good to me, or did i decide really wrong?
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post #10 of 17
I use AR-15's and they don't make a hint of noise on my computer! I plan on using the Corsair 120's in a future build though.
Is It Done Yet?
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Is It Done Yet?
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