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Case/Rad Fan Recommendations

post #1 of 12
Thread Starter 
The stock, run of the mill fans I've got aren't cutting it. They're loud and relatively ineffective as far as I can tell. I've been leaning towards Noctua's because I've heard so many good things about them but I basically have no idea.

I'm going for a push/pull setup with my rad and one, possibly two case fan replacements (all 4 would be 120mm). I believe there are different fans based on use, but I'm not too sure. The big thing I'm looking for is something that is super quiet but able to push a lot of air. Thanks for your help!
post #2 of 12
I would say Nexus BASIC D12SL , ENERMAX T.B. Silence or Thermalright X-Silent 120mm
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post #3 of 12
What case and what rad?

Do you have a fan controller? Or do you plan on getting one?

what one?
post #4 of 12
Thread Starter 
Quote:
Originally Posted by ginger_nuts View Post

What case and what rad?

Do you have a fan controller? Or do you plan on getting one?

what one?

Case is Corsair 550D, rad is nothing special, Corsair H55. And no I'm not interested in a fan controller.
post #5 of 12
Fans are a complicated issue, purely becoz of the difference in what people say is noisy, and how little independent testing is done with them.

A typical rule of thumb is that the faster (more RPM) the fan the more air it moves, but also nosier it gets. If not fan noise the sound of air moving.



But for a case fan you just want something that can move air, but not necessarily have a high static pressure reading. My suggestion would be to look at mounting 2x 140mm fans on top. Noctua make really good quiet fans, but also cost a fair bit.

I personally like the cost, look and performance of the Bitfenix Spectre Pro series, which can or can not, come with LED's.


As for fans for you H55, you will want something with a higher static pressure reading, if you can I would suggest something PWM controlled and ran off your CPU fan header on the MB. Providing you don't overload the board, you would have to check with the manufacturer. I do know my Gigabyte boards will take up to 1 Amp, which is plenty.

The reason behind suggesting PWM control is so the fans ramp up and down as need, and they typically do it very smoothly.

I personally like CoolerMaster Excalibur PWM fans, they are fantastic at lower speeds, can get noisy at higher speeds (but most will), but they are also pushing a ton of air.

All above is what I have personally experienced and my own thoughts.
post #6 of 12
Case> NF P12, or CM Sickleflow
Heatsink or Rad> CM Blade Master 120, Swiftech Helix 120, XSPC Xinruilian 2000 RPM, Scythe Gentle Typhoon 1850
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post #7 of 12
For the case fans I would suggest the Noctua NF-P12's for any intakes where you have some obstructions such as filters. For exhausts and non-restrictive intakes, the new NF-S12A's are spectacular, I just installed one in my P280 as an exhaust.

I don't have a radiator but I've heard the Noctua NF-F12's work exceptionally well on those. I have one of those on my Megahalems.
post #8 of 12
I would disagree and say that static pressure IS quite important for case fans. I would not recommend anything with less than 1.5mmH2O for use as a case fan. When it comes to radiators, static pressure is the most important spec to watch for. Generally speaking I would go with 2-2.5mmH2O for every 10fpi on a radiator.
   
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Optical DriveCoolingCoolingCooling
LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
CoolingCoolingCoolingCooling
2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
CoolingCoolingCoolingOS
4x Koolance 120x25mm 2600rpm Fans Comp/Rotary Fittings (BP/XSPC/Monsoon) Primoflex Pro LRT - White (1/2x3/4) Windows 7 Professional 64bit  
MonitorMonitorMonitorMonitor
Dell P2210Hb 21.5" 1920x1080p Viewsonic VA2012WB 20.1" LCD 1680x1050 Dell U3014 Eizo 27" 1440p 10bit RGB-LED Backlit AH-IPS Panel 
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R.A.T.3 + MX510 My Desk GRADO RS1i Headphones Grado PS1000 Headphones 
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Bitfenix Hydra Pro Fan Controller 5ch 30W/ch Bitfenix Alchemy Individually-Sleeved Extension... NZXT Individually-Sleeved Front Panel Wires (Bl... Phobya Sleeved 1x3pin-to-4x3pin Fan Splitter 
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post #9 of 12
Quote:
Originally Posted by nleksan View Post

I would disagree and say that static pressure IS quite important for case fans. I would not recommend anything with less than 1.5mmH2O for use as a case fan. When it comes to radiators, static pressure is the most important spec to watch for. Generally speaking I would go with 2-2.5mmH2O for every 10fpi on a radiator.

So something like the Hardware labs Black Ice GT Stealth Series, which runs 30 FPI, you would recommend a fan with 6-7.5mm H2O of static pressure thinking.gif

I do agree that some times static pressure has to be considered for case fans, but in general, most will be good enough. Especially if you go a bigger fan, ie. 140mm or even 200mm fan.
post #10 of 12
Quote:
Originally Posted by nleksan View Post

I would disagree and say that static pressure IS quite important for case fans. I would not recommend anything with less than 1.5mmH2O for use as a case fan. When it comes to radiators, static pressure is the most important spec to watch for. Generally speaking I would go with 2-2.5mmH2O for every 10fpi on a radiator.

I kind of agree with you on case fans, particularly the intake fans, the reasoning for this is current case design. Most cases today use the cross section HD bays, this results in easier bay access and drive swapping but reduces the air flow of the intake fan quite a bit. Now this obviously does not cause the issues with back pressure that a radiator causes but it still causes enough obstruction that some back pressure should be expected. The issue is that most high volume fans have very low pressure tolerances and thus can have a huge reduction in their air flow. with very little back pressure required. This means, in theory that a solid, mid range static pressure fan might have lower air flow numbers but could result in higher air flow none the less.

As for the exhaust fan, static pressure is not an issue unless you are passing the exhaust through a radiator.

Also when it comes to high static pressure fans, remember that the high pressure only applies for a fan that is pushing air. The higher static pressure is based on the fans ability to overcome resistance created when the air pillows in front of the fan creating back pressure. The pull configuration, even with a radiator is not faced with a high pressure issue and so the strength of these fans do not come into play. In fact with a radiation if you are going to single fan never put in pull if you can help it but rather push so the fan can do the work.

When you pull through a limited space or a restricted flow area the issues is not back pressure but the fan starving for air. Increases pressure does not help this as the fan has nothing to fight against. This is where volume airflow helps as it can pull harder by creating a larger vacuum to bring in the air.
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