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Old 16th Jun 2012, 02:57   #1
Toothy1911
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Which 140mm Fans for Radiator?

Ordered a Corsair 650D and would like to put a 140.2 rad in the roof. Specifically the "Hardware Labs Black ICE Radiator GT Stealth 280".

http://www.overclockers.co.uk/showpr...odid=WC-021-BX

Which 140mm fans would you guys recommend? I know that rad has a high amount of fins, so guess it will need good air pressure. But I'm struggling to work out what's best. I would like the fans to be silent though, probably run through a fan controller too.

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Old 1st Jul 2012, 20:04   #2
muffles
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I don't really have an answer for you but I am looking at a 140mm triple radiator so have a similar question.

I've seen a few suggest that the best 140mm fan is a Scythe GT 120mm fan and an adaptor. I've also seen the Yate Loon suggested as a good true 140mm fan. Personally, I'm interested in the Aerocool Shark 140mm fans, but they don't seem to be mentioned as much (however when they are, they are very positive).

For info, these are the stats I found:
Scythe GT: 5400 RPM, 150 CFM, dBA 50
Yate Loon: 2300 RPM, 103 CFM, dBA 43
Aerocool Shark: 1500 RPM, 96 CFM, dBA 29

Unfortunately, I don't have the static pressure to hand, which I understand will matter on a high FPI radiator like that one (which is 30, vs the one I am looking at which is 8.5).

For me, I am unsure I would ever want to run a fan at 5400 RPM (at that point, I suspect I'd want more radiators/fans instead?!). The next highest Scythe GT is 4250 RPM and 116 CFM so getting a bit too close (and RPM still too high) to the other fans to be considered.

One last consideration I haven't figured out yet...not sure if you know. Do the operating ranges of fans differ (i.e. need to check the fan spec), even when used with a fan controller? Or will a fan controller give complete control over the fan, regardless of the particulars of the fan...
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Old 2nd Jul 2012, 02:17   #3
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Areocool sharks good on my set up

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Old 2nd Jul 2012, 10:43   #4
GoogalyMoogaly
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I'm considering the Akasa Apache 140mm and the Akasa Viper 140mm (also on TWO at the minute).
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Old 2nd Jul 2012, 11:42   #5
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I decided on the Bitfenix Spectre pros in the end. Seemed to offer good performance, are quiet, and I could get matching 120mm, 140mm and 200mm versions for my new setup. The akasa viper looks good on paper too. But got put off by the yellow blades

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Old 2nd Jul 2012, 14:35   #6
PanMaster
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Don't get "ultra quiet" Akasa Vipers - 3 of them are unbearably loud. I had hopes the "S-flow" would yield more airflow but I was badly mistaken. They are closer to 50dB than the 26dB in the specs. Perhaps the name is some kind of joke?

I recommend Akasa white LED illuminated 140mm fans. They are cheap and quiet.

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Old 2nd Jul 2012, 14:52   #7
GoogalyMoogaly
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What about 140mm Silverstone Air Penetrators?
Are they any good on radiators?
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Old 2nd Jul 2012, 16:01   #8
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I use YL d14sl and some gelid wing 14's on my sr1 420 and pa140.3 and both are good. For a high fpi rad i'd probably go for the gelid wings or the apache/vipers.

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Old 2nd Jul 2012, 17:28   #9
GoogalyMoogaly
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I'm now wondering about Prolimatech's Vortex fans, Phanteks fans and the Noiseblocker's Black Silent (Pro) fans (saw rjkoneill using them on a megahalems (so guessing if they work on a heatsink they'll work on a rad?))

Advantage with the Prolimatech and Noiseblockers is that they do matching 120mm versions.
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Old 2nd Jul 2012, 19:35   #10
wissel
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Quote:
Originally Posted by PanMaster View Post
Don't get "ultra quiet" Akasa Vipers - 3 of them are unbearably loud. I had hopes the "S-flow" would yield more airflow but I was badly mistaken. They are closer to 50dB than the 26dB in the specs. Perhaps the name is some kind of joke?

I recommend Akasa white LED illuminated 140mm fans. They are cheap and quiet.
I've got lots of Apache's all over my case (including rad's) and its true the 140's are quite loud which is weird as the 120's are really quiet. When I say loud its more the sound of air moving, they do push a lot of air, but they are by far the loudest part of my build even at 600 rpm.

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Old 2nd Jul 2012, 19:43   #11
GoogalyMoogaly
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Quote:
Originally Posted by wissel View Post
I've got lots of Apache's all over my case (including rad's) and its true the 140's are quite loud which is weird as the 120's are really quiet. When I say loud its more the sound of air moving, they do push a lot of air, but they are by far the loudest part of my build even at 600 rpm.
Disappointing...

I was planning on getting Apaches/Vipers, now not sure what to get.
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Old 2nd Jul 2012, 21:04   #12
muffles
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Does anyone have any idea what sort of static pressure is required or recommended for a given radiator FPI?

Just looked up the fans mentioned and by all accounts the Aerocools are one of the weakest in terms of static pressure. However I do have the 120mm versions and they seem pretty quiet.

I would be tempted by the Akasas (either the Apache or Viper would be OK) except the comment above does concern me re: noise levels.

For info, here's the specs I've managed to find:
Aerocool Shark: 96.5 CFM, 1.069mm-H2O static pressure, 29.6 dBA, 800-1500 RPM
Akasa Apache: 89.55 CFM, 2.76mm-H2O static pressure, 22.19 dBA, 600-1300 RPM
Akasa Viper: 110.61 CFM, 3.12mm-H2O static pressure, 26.01 dBA, 600-1600 RPM
BitFenix Spectre Pro: 86.73 CFM, 1.38mm-H2O static pressure, 22.8 dBA, 1200 RPM
Yate Loon: 103 CFM, ?? static pressure, 43 dBA, 2300 RPM
Silverstone Air Penetrator: 64.34 CFM, 1.55mm-H2O static pressure, 30.1 dBA, 700-1500 RPM
Prolimatech Vortex: 87 CFM, 1.05mm-H2O? static pressure, 18.1 dBA, 1000 RPM
Phanteks: 78.1 CFM, 1.21mm-H2O static pressure, 19 dBA, 750-1200 RPM (note: 120mm mountings)
Noiseblocker Black Silent Pro (PK3): 90 CFM, ?? static pressure, 27 dBA, 1700 RPM
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Old 2nd Jul 2012, 21:14   #13
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Trust me guys - DONT get the apaches - I have two on my Koolance 280 rad on the top of my 650D - pants for static pressure. They are more suited to case fans where CFM is their strong point. (oh and their noisey too!)

Best if possible to get some scythe gt's with adapters - as the 140mm fans just ain't up to scratch when it comes to radiators (they're perfectly fine as case fans but not for rads!)

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Old 2nd Jul 2012, 21:31   #14
muffles
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Quote:
Originally Posted by zoomee View Post
Trust me guys - DONT get the apaches - I have two on my Koolance 280 rad on the top of my 650D - pants for static pressure. They are more suited to case fans where CFM is their strong point. (oh and their noisey too!)

Best if possible to get some scythe gt's with adapters - as the 140mm fans just ain't up to scratch when it comes to radiators (they're perfectly fine as case fans but not for rads!)
Is it a particular GT you thinking of? I know the manufacturer specs should be taken with a pinch of salt, which is what I've listed above, but it would mean they are hugely off to be better than the 140mms, wouldn't it?

I found the Scythe datasheet here - to be fair, it gives massive static pressures!
GT 5400 RPM: 150.1 CFM, 15.24mm-H2O static pressure, 50.5 dBA
GT 4250 RPM: 116.5 CFM, 9.65mm-H2O static pressure, 44 dBA
GT 3000 RPM: 83 CFM, 5.08mm-H2O static pressure, 36.5 dbA

Again these are all manufacturer numbers but you can see how much higher the noise level is...not sure how easy it would be to live with that...and if you drop the RPM below 3000 surely it is getting into similar territory to the 140s above?
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Old 2nd Jul 2012, 21:31   #15
wissel
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I've just spent the last half hour with the sides of my PC adjusting the fan controller. I have 5 Apache 120's running at 900 rpm which are almost silent, I have 2 Apache 140's as case fans (front and rear) and after adding rubber washers the only noise at 670 rpm is the sound of air being pushed through.

To be fair to Akasa I'm a bit OCD about noise and after re-fitting with the washers they are very acceptable. To give a better idea my motherboard fan (Sabertooth X79) now makes more noise than the 140's (guess what's getting water cooled next )

I also have a couple of Fractal Design 140's which are almost silent but do not shift anywhere near enough air to cool rad's IMO, the Apache's at 670 rpm do.

Hope this helps.

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Old 2nd Jul 2012, 22:24   #16
GoogalyMoogaly
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Good spot about the Phanteks being 120mm screw holes, that's annoying.

I used the 1850rpm Scythe GTs on my Black Ice SR1 and preferred them to the 120mm Vipers, but their specs aren't the best, even compared to 120mm fans.

I just wish there were 140mm version of them!
Using adaptors would be a bit of a pain for me due to the space they would take up. Wondering if I'd be better off with 120mm radiators, but it seems a shame if I can use 140mm rads.

As for the OP, I think you'll struggle to find fans that will work well on a thin high FPI rad that are also quiet.
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Old 3rd Jul 2012, 05:38   #17
muffles
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Quote:
Originally Posted by hlennie View Post
Areocool sharks good on my set up
Forgot to ask...any detals of your setup? Trying to understand if a ~1mm-H2O static pressure works on an 8.5 FPI radiator...

Quote:
Originally Posted by wissel View Post
I've just spent the last half hour with the sides of my PC adjusting the fan controller. I have 5 Apache 120's running at 900 rpm which are almost silent, I have 2 Apache 140's as case fans (front and rear) and after adding rubber washers the only noise at 670 rpm is the sound of air being pushed through.

To be fair to Akasa I'm a bit OCD about noise and after re-fitting with the washers they are very acceptable. To give a better idea my motherboard fan (Sabertooth X79) now makes more noise than the 140's (guess what's getting water cooled next )

I also have a couple of Fractal Design 140's which are almost silent but do not shift anywhere near enough air to cool rad's IMO, the Apache's at 670 rpm do.

Hope this helps.
That's useful to me have you run the 140s any higher? How does the sound compare to other fans? Btw from looking at the Viper it looks like it is just an Apache but it can go 300 RPM higher.

Quote:
Originally Posted by GoogalyMoogaly View Post
Good spot about the Phanteks being 120mm screw holes, that's annoying.

I used the 1850rpm Scythe GTs on my Black Ice SR1 and preferred them to the 120mm Vipers, but their specs aren't the best, even compared to 120mm fans.

I just wish there were 140mm version of them!
Using adaptors would be a bit of a pain for me due to the space they would take up. Wondering if I'd be better off with 120mm radiators, but it seems a shame if I can use 140mm rads.

As for the OP, I think you'll struggle to find fans that will work well on a thin high FPI rad that are also quiet.
I think the OP already went with a fan choice a while back (I found this slightly older thread to reply to with my similar question) - BitFenix Spectre Pro. Interestingly it's not got that high of a static pressure - 1.38mm-H2O - OP, would be interested in how your setup is performing for you? Is it as expected? If 1.38 works on a 30 FPI radiator I may well go for the Aerocools (1.07) on my target 8.5 FPI radiator, hopefully they would be as quiet as the 120mm versions.
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Old 3rd Jul 2012, 07:43   #18
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Heres a good comparative review: http://www.xtremesystems.org/forums/...diator-Round-7 which is summarised on Martins web site here

Heres my suggestion, don't get a 2x140 rad for the roof of the Corsair. Get a 2x120 rad and Scythe GT 1850's. The case has the holes for both and you will get much better performance from the 120 rad with the GT's

Last edited by Biffa; 3rd Jul 2012 at 07:57.
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Old 3rd Jul 2012, 07:50   #19
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Quote:
Originally Posted by Toothy1911 View Post
I decided on the Bitfenix Spectre pros in the end. Seemed to offer good performance, are quiet, and I could get matching 120mm, 140mm and 200mm versions for my new setup. The akasa viper looks good on paper too. But got put off by the yellow blades
Bad choice IMO. I have one and they cannot channel air properly, just chucks it sidewards, very strange.

Check this: http://www.overclock.net/t/1270005/b...ibly-anemic/10

I would advise against them for general use, let alone rads.

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Old 3rd Jul 2012, 08:45   #20
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I had three 4000rpm scythe gt's running on my previous thermochill 120.3
Using an aquaero controller I throttled them down to 1000rpm each and they were awesome for performance.

Since downsizing from a 700d to a 650d I was forced to use a 140.2 rad. The 140 Alaska apaches even whilst being throttled to 1000rpm seemed noisier to me with lower performance. Before I bought them I was looking for some 120 to 140 converters so I could slapp my scythes on it but couldn't find any (without having to pay stupid prices!!).

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Old 3rd Jul 2012, 08:57   #21
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Originally Posted by zoomee View Post
Since downsizing from a 700d to a 650d I was forced to use a 140.2 rad.
Why? The 650 will take both 120 and 140 rad sizes? I doubt you are getting better performance from a 120.2 with decent fans on that 140.2 at least that has been my experience.

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Old 3rd Jul 2012, 09:18   #22
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Noise is certainly subjective, unfortunately this is going to be one of the hardest things to get a sense of without trying.

I appreciate all the real world usage comments, thanks everyone. These Scythe GTs still mystify me though I am in no doubt that there must be something to them as so many recommend them, but I don't understand why the tech data doesn't even come close to resembling that. E.g. running them at 1000 rpm the tech data implies they will be average, or at least comparable to others.

Quote:
Originally Posted by Biffa View Post
Heres a good comparative review: http://www.xtremesystems.org/forums/...diator-Round-7 which is summarised on Martins web site here

Heres my suggestion, don't get a 2x140 rad for the roof of the Corsair. Get a 2x120 rad and Scythe GT 1850's. The case has the holes for both and you will get much better performance from the 120 rad with the GT's
Unfortunately I'd seen that review and he doesn't address static pressure which is a shame. Good selection though. See my above confusion re: GTs; can anyone explain this?!
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Old 3rd Jul 2012, 09:22   #23
zoomee
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Originally Posted by Biffa View Post
Why? The 650 will take both 120 and 140 rad sizes? I doubt you are getting better performance from a 120.2 with decent fans on that 140.2 at least that has been my experience.
Agreed - one would automatically assume a 140.2 rad would be better than a 120.2 one - hence one learns from ones mistakes

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Old 3rd Jul 2012, 12:15   #24
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Quote:
Originally Posted by muffles View Post
OP, would be interested in how your setup is performing for you? Is it as expected? If 1.38 works on a 30 FPI radiator I may well go for the Aerocools (1.07) on my target 8.5 FPI radiator, hopefully they would be as quiet as the 120mm versions.
It's my first watercooling setup, so I'm not speaking from great experience. But I'm quite happy how much air the Bitfenix fans seem to pull through the rad. 8 fpi can't be much of an obstruction, I wouldn't have thought you'd need to worry too much. I will try to update when I get the right up and running properly. Still building it at the moment.

I really considered going for the 120.2 rad. But on paper it makes sense to go for the larger 140.2 rad. And I feel it suits the top of the 650d case well. The 120 looks too small and has a ton of open vents around it. The 140 fills that gap better, and looks like it should be there. I'll hopefully have good positive case pressure that will aid the larger rad instead of letting air escape around around it.

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Old 4th Jul 2012, 10:39   #25
muffles
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Thanks, would be interested to hear how it goes. I think I'm going with the Aerocool Sharks for now, they're cheap and I have experience of the 120mm versions. As you say, the radiator I'm looking at should be ok with these.
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Old 4th Jul 2012, 11:22   #26
Toothy1911
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Yeah good choice. I have an Aerocool in my Corsair power supply. Replaced the original with something more silent. They seem good for the money

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