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Need 140mm Fans For VERY Restrictive Intakes

post #1 of 14
Thread Starter 
I have a Define R4 and I want better fans. I have been looking at Cougars HDBs, Silverstone AP141s, Noctua A14FLXs, and Bgear B-Blasters. I want the least noise possible, with the best airflow. It has to be able to overcome a restrictive intake since there is a lot of filters/restriction in the way.
post #2 of 14
Thread Starter 
Forgot to mention I will only spend $20 Canadian dollars max per fan. Ideally the less the better.
post #3 of 14
knock the bgears off the list for quiet @ 5v they're below whisper quiet and still push air but 7v and up the volume jump is pretty big. My vote goes for the cougars for both categories.
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BBW
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post #4 of 14
Cougars are great, and so are Noctuas. If you can find some Noctua NF A14 FLXs on sale for $20, get them; they're great fans. Most Cougars are just as silent, though.
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Folder Rodriguez
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post #5 of 14
Quote:
Originally Posted by lonelycowfarmer View Post

I have a Define R4 and I want better fans. I have been looking at Cougars HDBs, Silverstone AP141s, Noctua A14FLXs, and Bgear B-Blasters. I want the least noise possible, with the best airflow. It has to be able to overcome a restrictive intake since there is a lot of filters/restriction in the way.



it's not really that restrictive... as long as you have both fans mounted, you should be fine. don't need to add noise to a quiet case.
post #6 of 14
The Silverstone fans, well, they suck. Every single AP12X/14X I've used has made for worse temps by 3-9C. I understand that they are designed for a specific purpose, but so help me I have mounted them in every possible way in multiple cases and they simply don't do anything well.

The Bgears WILL push nearly 2x or more air through the case than anything else on your list, but they are not silent. I personally feel that they are not loud enough to be intrusive at all, even with 6 in push Pull on a radiator, but everyone is different.
I did find that using Phobya 140x7mm shrouds/decouplers the noise diminished by around 10 percent, and when I added silicone gaskets/decouplers between the radiator-case and the interior (push) fans-case, ironically to improve performance by creating an airtight seal, the entire assembly was essentially decoupled from the case and compared to before (neither Phobya nor the silicone ones), I'dssay that the fans are about 3/4ths as loud. This is a very noticeable decrease, as running them @ full speed (1890rpm via fan controller, 3 on a channel, 2 channels used) now is quieter than running them at 1500rpm was prior.

Overall, if you don't want the Bgears, I would say the only (ONLY) other good option on your list are the Cougars. They are good fans, very well rounded.
   
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Z77 Bench-a-lot
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post #7 of 14
Not sure who sells Thermalright in Canada but TY-14x series fans using PWM signal from mobo CPU fan socket work great in Define R4. The TY-147 is black/white. For R4 the fans need 5mm cut off of each of the round sides so they are 140mm square instead of their normal 150x140mm and they clip into stock mount. I've done this several times with no problems using table saw or miter saw with a good fine tooth blade.

To use PWM signal to control fans with a PWM splitter with molex power from PSU and PWM signal from mobo CPU fan socket. This way case fans run at same speed as cooler fans meaning they only speed up when CPU is working hard (can use PWM signal from GPU too). I'm assuming you are using a premium CPU cooler. I have built 2 older R2/R3 systems this way and helped a mate do his new R4 last month. All are running TY-14x fans 2x front, 1x bottom intakes with PWM control. That's the only case fans the R2/R3 cases have but back vent has grill removed. R4 has 1x exhaust in back. All 3 have premium coolers (Silver Arrow SB-E Extreme, TC14PE and Alpenfohn K2/DeepCool Assassin).

I can supply details for fan modifications and PWM controls.
post #8 of 14
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post #9 of 14
Thread Starter 
Quote:
Originally Posted by nleksan View Post

The Silverstone fans, well, they suck. Every single AP12X/14X I've used has made for worse temps by 3-9C. I understand that they are designed for a specific purpose, but so help me I have mounted them in every possible way in multiple cases and they simply don't do anything well.

The Bgears WILL push nearly 2x or more air through the case than anything else on your list, but they are not silent. I personally feel that they are not loud enough to be intrusive at all, even with 6 in push Pull on a radiator, but everyone is different.
I did find that using Phobya 140x7mm shrouds/decouplers the noise diminished by around 10 percent, and when I added silicone gaskets/decouplers between the radiator-case and the interior (push) fans-case, ironically to improve performance by creating an airtight seal, the entire assembly was essentially decoupled from the case and compared to before (neither Phobya nor the silicone ones), I'dssay that the fans are about 3/4ths as loud. This is a very noticeable decrease, as running them @ full speed (1890rpm via fan controller, 3 on a channel, 2 channels used) now is quieter than running them at 1500rpm was prior.

Overall, if you don't want the Bgears, I would say the only (ONLY) other good option on your list are the Cougars. They are good fans, very well rounded.
Thanks, I will not get the Silverstones then. Sounds like Bgears are godly but loud, how do they sound at 5/7v for a "silent freak". I think Cougars are my best option now. Is the Vortex HDB better than the Hyper-Spin ones? I have also read that these fans are not so good when mounted horizontally. Can anyone confirm this?
post #10 of 14
Thread Starter 
Quote:
Originally Posted by doyll View Post

Not sure who sells Thermalright in Canada but TY-14x series fans using PWM signal from mobo CPU fan socket work great in Define R4. The TY-147 is black/white. For R4 the fans need 5mm cut off of each of the round sides so they are 140mm square instead of their normal 150x140mm and they clip into stock mount. I've done this several times with no problems using table saw or miter saw with a good fine tooth blade.

To use PWM signal to control fans with a PWM splitter with molex power from PSU and PWM signal from mobo CPU fan socket. This way case fans run at same speed as cooler fans meaning they only speed up when CPU is working hard (can use PWM signal from GPU too). I'm assuming you are using a premium CPU cooler. I have built 2 older R2/R3 systems this way and helped a mate do his new R4 last month. All are running TY-14x fans 2x front, 1x bottom intakes with PWM control. That's the only case fans the R2/R3 cases have but back vent has grill removed. R4 has 1x exhaust in back. All 3 have premium coolers (Silver Arrow SB-E Extreme, TC14PE and Alpenfohn K2/DeepCool Assassin).

I can supply details for fan modifications and PWM controls.
I really don't want to mod anything right now. I appreciate your suggestion but I like to keep things the way they are tongue.gif Also I noticed that you have remembered me from previous threads biggrin.gif
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