Can the hyper 212 evo support........

[GeorgeKellow]

....... a 140mm fan? 

 

Also is the LTT 140mm edition fan better than the stock 212 evo fan? 

[suchamoneypit]

the Adapters that hold on the fans only fit 120mm fans, there might be some 3rd adapters (doubt it for the following reason...) but then you just have an over-sized fan that isnt blowing air over the fins because a 120mm fan is the perfect size to completely cover the fins.

[Charcoal_]

Depends how you mean. Probably not but you could cable tie one on... would look off and might fall off. I wouldn't suggest it.

[Charcoal_]

the Adapters that hold on the fans only fit 120mm fans, there might be some 3rd adapters (doubt it for the following reason...) but then you just have an over-sized fan that isnt blowing air over the fins.

Yeah,adapters would work!

[Kobathor]

I think a Noctua NF-P12 would work if you get the version that mounts with 120mm threads, since that's what the mounts support (120mm fans.)

 

Thus, the NF-A14 LTT edition would probably not work on a Hyper 212.

[stconquest]

....... a 140mm fan? 

 

Also is the LTT 140mm edition fan better than the stock 212 evo fan? 

 

The stock fan is decent, except that it is loud.

 

A good 120mm is all you need.  Research static pressure fans.  You also want it to be relatively quiet.

[GeorgeKellow]

The stock fan is decent, except that it is loud.

 

A good 120mm is all you need.  Research static pressure fans.  You also want it to be relatively quiet.

Good replacement for the stock fan then?  

[stconquest]

Good replacement for the stock fan then?  

 

I got this because I am cheap, but it works quite well:  http://pcpartpicker.com/part/lepa-case-fan-lpvx12p

 

This is good:  http://pcpartpicker.com/part/lepa-case-fan-lpvx12p

 

Better:  http://pcpartpicker.com/part/cryorig-case-fan-qf120balance

 

You can spend more, but the Cryorig has really good numbers:  http://www.cryorig.com/qf120.php\

 

Correction, I was looking at the Performance Cryorig, thinking it was the Balanced one.  The Cryorig webpage has all three models.  The Performance has the best cooling numbers, but it is freaking loud.  The first two I mentioned are not worse than the Balanced Cryorig one.

[WoodenMarker]

Good replacement for the stock fan then?  

The LTT NF-F12 would be excellent if you can find one. 

What are you replacing the stock fan for?

[Benji_w]

The stock fan is decent, except that it is loud.

 

A good 120mm is all you need.  Research static pressure fans.  You also want it to be relatively quiet.

 

SP fans on a single tower cooler isn't going to perform any better than AF fans.

[stconquest]

SP fans on a single tower cooler isn't going to perform any better than AF fans.

...and this is because there is no resistance pushing air through fins?

 

Honestly, I have not tried AF fans on my 212.  I went straight to SP, with decent AF.

 

My 120mm rad has two AF fans on it, never tried the SP. 

[Benji_w]

...and this is because there is no resistance pushing air through fins?

 

Honestly, I have not tried AF fans on my 212.  I went straight to SP, with decent AF.

No, its because there isn't much resistance there to begin with, an AF fan will perform (thermal wise) equal to an SP fan in this scenario. SP fans are for places of high resistance like radiators and hard drive cages where pressure is needed to push the air better, AF fans are for case fans etc or low resistance applications, you could use an AF fan on a radiator with low fins per inch.

[stconquest]

No, its because there isn't much resistance there to begin with, an AF fan will perform (thermal wise) equal to an SP fan in this scenario. SP fans are for places of high resistance like radiators and hard drive cages where pressure is needed to push the air better, AF fans are for case fans etc or low resistance applications, you could use an AF fan on a radiator with low fins per inch.

 

So you have tested AF and SP fans on a particular cooler to test for performance, keeping noise level in mind of course?   Maybe even on the 212?

[Benji_w]

So you have tested AF and SP fans on a particular cooler to test for performance, keeping noise level in mind of course?   Maybe even on the 212?

 

Not on air coolers, I used AF fans and SP fans on a 7 FPI radiator and found no difference, tested the same fans on my had drive cages etc and found the SP fans pushed air through better like I listed above. The 212 isn't a restrictive cooler so an SP fan won't make a difference.

[stconquest]

Not on air coolers, I used AF fans and SP fans on a 7 FPI radiator and found no difference, tested the same fans on my had drive cages etc and found the SP fans pushed air through better like I listed above. The 212 isn't a restrictive cooler so an SP fan won't make a difference.

 

Though your conclusion has a logical basis, the lack of real world testing would not sway my recommendations.  I use a SP fan on the 212.  It is quiet and does nearly the same job as two AF fans in a push pull.  Until I decide to test it myself, or find numbers online somewhere, I will refrain from completely agreeing/disagreeing with you.

 

Thanks for the advice though.  You did intrigue me enough to want to test it out.

[Benji_w]

Though your conclusion has a logical basis, the lack of real world testing would not sway my recommendations.  I use a SP fan on the 212.  It is quiet and does nearly the same job as two AF fans in a push pull.  Until I decide to test it myself, or find numbers online somewhere, I will refrain from completely agreeing/disagreeing with you.

 

Thanks for the advice though.  You did intrigue me enough to want to test it out.

 

Honestly test it out like I have, see for yourself. 

[WoodenMarker]

Though your conclusion has a logical basis, the lack of real world testing would not sway my recommendations.

Its been tested and I've personally seen the same results. AF fans generally perform better or similarly while being quieter for heatsinks. http://www.silentpcreview.com/article1342-page9.html

[ThomasD]

Fans tend to drive most of their air at the ends of the blades, with very little volume at the hub.  A 140 mm fan mounted directly to the heat sink would be worse than a properly fitting 120 mm fan - as the majority of the air would simpy be lost out the gaps.

 

The only way a 140 mm fan would work at all would be by using a step down plenum to force the air flow into the cooling fins.

[WoodenMarker]

Fans tend to drive most of their air at the ends of the blades, with very little volume at the hub.  A 140 mm fan mounted directly to the heat sink would be worse than a properly fitting 120 mm fan - as the majority of the air would simpy be lost out the gaps.

The only way a 140 mm fan would work at all would be by using a step down plenum to force the air flow into the cooling fins.

Is this implying that a 140mm fan wouldn't be properly mounted?

[Benji_w]

Fans tend to drive most of their air at the ends of the blades, with very little volume at the hub.  A 140 mm fan mounted directly to the heat sink would be worse than a properly fitting 120 mm fan - as the majority of the air would simpy be lost out the gaps.

 

The only way a 140 mm fan would work at all would be by using a step down plenum to force the air flow into the cooling fins.

 

I have a phanteks cooler with 140mm fans, works great. 

[Snadzies]

Is this implying that a 140mm fan wouldn't be properly mounted?

 

He's saying that unless you have something to redirect the airflow for the portion of the 140mm fan that hangs past the fins on the headsink then you'll be loosing a lot of the added airflow you get with a 140mm fan over a 120mm fan.

 

http://www.amazon.com/Bgears-Cooling-Fan-Adapter-140mm-Black/dp/B0043GMY1U

 

Let's say you have a 120mm fan and a 140mm fan.

At the same RPM the 120mm fan measures 70 CFM of air flow and the 140mm fan does 80 CFM.

Most of the extra 10CFM that you get from the 140mm fan is from the outer edges of the blades, the part of the blades that will be hanging past the fins of the 120mm heatsink and with out something to redirect that airflow into the heatsink's fins then you're getting little to no benefit of the 140mm fan.

[stconquest]

 

It sometimes helps to visualize.  I think they turned down, what seems to be, the Corsair case fan to make it look worse... but the airflow direction is what to look at.

[ThomasD]

Is this implying that a 140mm fan wouldn't be properly mounted?

If by "properly mounted" you mean "mounted in such a fashion that the air flow generated by the fan is not allowed to escape around the cooling fins, but is instead forced to flow across them" then no it doesn't imply that.  It states it explicitly.

 

Edit:  This being an example of a step down plenum.

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16811995076

 

I have a phanteks cooler with 140mm fans, works great. 

Ok, and this has exactly what bearing on the issue of mounting a 140 mm fan to an entirely different cooling system designed for a 120 mm fan?

[WoodenMarker]

Let's say you have a 120mm fan and a 140mm fan.

At the same RPM the 120mm fan measures 70 CFM of air flow and the 140mm fan does 80 CFM.

Most of the extra 10CFM that you get from the 140mm fan is from the outer edges of the blades, the part of the blades that will be hanging past the fins of the 120mm heatsink and with out something to redirect that airflow into the heatsink's fins then you're getting little to no benefit of the 140mm fan.

120mm's and 140mm's of similar design will usually differ in performance by a greater margin than that when it comes to performance/noise. 

Few people actually run fans at 100% since that would be very loud. At lower rpm's, the faster spinning fan edges of a 140mm make a notable difference in performance.

A 140mm does end up covering more of a heatsink that otherwise wouldn't be with a 120mm.

If by "properly mounted" you mean "mounted in such a fashion that the air flow generated by the fan is not allowed to escape around the cooling fins, but is instead forced to flow across them" then no it doesn't imply that.  It states it explicitly.

http://www.newegg.com/Product/Product.aspx?Item=N82E16811995076

I know what a step down plenum is.

It just seemed like you were implying that that was necessary for a 140mm to perform any better on a heatsink that would normally fit a 120mm fan. 

[ThomasD]

120mm's and 140mm's of similar design will usually differ in performance by a greater margin than that when it comes to performance/noise. 

Few people actually run fans at 100% since that would be very loud. At lower rpm's, the faster spinning fan edges of a 140mm make a notable difference in performance.

A 140mm does end up covering more of a heatsink that otherwise wouldn't be with a 120mm.

I know what a step down plenum is.

It just seemed like you were implying that that was necessary for a 140mm to perform any better on a heatsink that would normally fit a 120mm fan. 

You keep using that word imply.

 

It wasn't an implication, it was an assertion.  And the graphic pretty much proves the point.

 

Do you see those big gaps where the 140 mm fan ring sticks out beyond the cooling fins?  Those are regions of minimal resistance to air flow.  The laws of simple fluid dynamics guarantee that the majority of air flow generated by the fan blades will flow out those holes.  It has to - given that that is the path of least resistance.

 

Whether overall performance will be worse than a properly fitting 120 mm fan is questionable, but it certainly will not be any better.