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Need help balancing case airflow

post #1 of 14
Thread Starter 
I am looking for an intake fan to help me achieve a slightly positive air flow setup (my computer is in my unfinished basement, lots of dust) and with a NZXT M59 case it seems to be pretty hard to do such a thing. For those of you who aren't familiar with the M59 case, it has 3 exhaust and 2 intake slots.

I am attempting to buy a Rheobus Extreme fan controller to control all these fans since it fits perfectly with the look of my case and will be able to control all 5 of my case fans.

So since I have more exhaust slots than intake, I need the intake fans to push more air than the exhaust. Now I am planning on having 3 blue LED fans, one for the side intake and two for the top exhaust slots.

For the side intake I have been looking at this fan, approximating the airflow to be 90ish CFM
http://www.newegg.ca/Product/Product...82E16835106153

Two of these to fill up the top exhaust slots
http://www.newegg.ca/Product/Product...82E16835207008
(I don't know much about this type of bearing but I believe it runs quiet and has a long life expectancy, if someone can tell me how these bearing perform horizontally, I would be grateful)

For the rear exhaust I was thinking about one of these
http://www.newegg.ca/Product/Product...82E16835132022

This leaves me looking for a front intake with a CFM of about 115-130. I am looking for a fan that has a noise level of under 40 dba with a long life expectancy.

Currently looking at the Scythe SY1225SL12SH Slipstream but I dislike the fact that it uses a sleeve bearing.
http://www.newegg.ca/Product/Product...82E16835185060

Any help would be appreciated.
Edited by Legitimation - 5/14/11 at 10:33am
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post #2 of 14
Yate Loons and Gentle Typhoons.
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post #3 of 14
Quote:
Originally Posted by TheStealthyOne View Post
Yate Loons and Gentle Typhoons.
I think that's probably a much safer option than any of the ones you were looking at. Gentle Typhoons are overpriced though.

I would say to rig up another intake fan in the 5.25" drive bays, but you won't have room if you get a fan controller. If you're going to get low rpm fans that is an option.

You could also stick a panaflo in the front intake. That would definitely help you achieve positive pressure.
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post #4 of 14
Personally, I like my NZXT Beta Evo. It's so easy to mod. For instance, I cut out my rear grill and have no fan there. That means pressure can never build up, all the air goes out past my cpu or my gpu, and I don't have any exhaust fans.

Here's the airflow plan of my previous setup:



Since then I've put different fans on my Mugen 2, and I have a 140mm mid-case fan:



If I had an M59, this is what I'd do.
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by drjoey1500 View Post
I would say to rig up another intake fan in the 5.25" drive bays, but you won't have room if you get a fan controller. If you're going to get low rpm fans that is an option.

You could also stick a panaflo in the front intake. That would definitely help you achieve positive pressure.
The thing is with panaflo fans, is that they are all 38mm deep (the ones I have seen at least) and I don`t think that they will fit in the front slot of my case (it looks like a 25mm fan would be a tight fit). As for the idea of rigging up an additional fan in my spare drive bay slots (while still having a fan controller), I could rig up an 80mm fan for extra intake which would mean I only need a fan in my front slot with a CFM of about 80.

As for the Yates, I would prefer a fan with 2 ball bearings or better for their improved life expectancy. Might end up getting some Gentle Typhoons.

Quote:
Originally Posted by ehume View Post
Personally, I like my NZXT Beta Evo. It's so easy to mod. For instance, I cut out my rear grill and have no fan there. That means pressure can never build up, all the air goes out past my cpu or my gpu, and I don't have any exhaust fans.
My basement is extremely dusty, and I am wary of having large holes in my case for it to freely enter when it is not in use.
Edited by Legitimation - 5/14/11 at 6:47pm
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post #6 of 14
Quote:
Originally Posted by Legitimation View Post
The thing is with panaflo fans, is that they are all 38mm deep (the ones I have seen at least) and I don`t think that they will fit in the front slot of my case (it looks like a 25mm fan would be a tight fit). As for the idea of rigging up an additional fan in my spare drive bay slots (while still having a fan controller), I could rig up an 80mm fan for extra intake which would mean I only need a fan in my front slot with a CFM of about 80.

As for the Yates, I would prefer a fan with 2 ball bearings or better for their improved life expectancy. Might end up getting some Gentle Typhoons.



My basement is extremely dusty, and I am wary of having large holes in my case for it to freely enter when it is not in use.
Dust will get in through those holes as well.

You can mount a 120mm fan in three of your 5.25 bays, like this:




And indeed, the fan slot in front of your HD bay is 120x25mm. Note that I removed my HD cage. It was too restrictive:



It looks like this from the front:



Notice that I drilled out my screw holes to accommodate vibration isolators.
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post #7 of 14
Quote:
Originally Posted by Legitimation View Post
The thing is with panaflo fans, is that they are all 38mm deep (the ones I have seen at least) and I don`t think that they will fit in the front slot of my case (it looks like a 25mm fan would be a tight fit). As for the idea of rigging up an additional fan in my spare drive bay slots (while still having a fan controller), I could rig up an 80mm fan for extra intake which would mean I only need a fan in my front slot with a CFM of about 80.

As for the Yates, I would prefer a fan with 2 ball bearings or better for their improved life expectancy. Might end up getting some Gentle Typhoons.



My basement is extremely dusty, and I am wary of having large holes in my case for it to freely enter when it is not in use.
You can get like three yates for the price of one GT. They're not going to wear out that fast . If you don't need absolute silence, panaflos are about the same price as GTs. If you need silence, get the lowest speed ones .

It disgusts me how hyped up GTs are with such mediocre specs. They're probably better than almost all the weak 25mm junk out there, but for the price there is much better available, especially in 38mm. The only thing going for them is low noise and ball bearings.

Quote:
Originally Posted by ehume View Post
Dust will get in through those holes as well.

You can mount a 120mm fan in three of your 5.25 bays, like this:

...

And indeed, the fan slot in front of your HD bay is 120x25mm. Note that I removed my HD cage. It was too restrictive:

...

It looks like this from the front:

...

Notice that I drilled out my screw holes to accommodate vibration isolators.
What are you guys talking about? I installed a 38mm delta on the front of my friends M59 just a couple weeks ago. It fit no problem. I didn't want to try to get screws in those tight spaces though, so I zip-tied it in. I don't see how it would be any easier with a 25mm. Fits fine with the front bezel on.

Plus, the good thing is that the delta had no problem forcing air through the drive bays. It's good to have a nice strong fan right there so you still get good intake for the rest of the case and not just a hdd cooler.

I'd have to agree with you on the vibration isolators. I have two sets of those in my rig right now. They work great.

The M59/Beta EVO are awesome cases, especially for the price. If I was going to buy a case I'd get a beta evo.
Edited by drjoey1500 - 5/14/11 at 8:20pm
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post #8 of 14
Quote:
Originally Posted by drjoey1500 View Post
You can get like three yates for the price of one GT. They're not going to wear out that fast . If you don't need absolute silence, panaflos are about the same price as GTs. If you need silence, get the lowest speed ones .

It disgusts me how hyped up GTs are with such mediocre specs. They're probably better than almost all the weak 25mm junk out there, but for the price there is much better available, especially in 38mm. The only thing going for them is low noise and ball bearings.



What are you guys talking about? I installed a 38mm delta on the front of my friends M59 just a couple weeks ago. It fit no problem. I didn't want to try to get screws in those tight spaces though, so I zip-tied it in. I don't see how it would be any easier with a 25mm. Fits fine with the front bezel on.

Plus, the good thing is that the delta had no problem forcing air through the drive bays. It's good to have a nice strong fan right there so you still get good intake for the rest of the case and not just a hdd cooler.

I'd have to agree with you on the vibration isolators. I have two sets of those in my rig right now. They work great.

The M59/Beta EVO are awesome cases, especially for the price. If I was going to buy a case I'd get a beta evo.
The GT's deserve their hype. What they amount to is fans in low gear, with their shallow blade pitch.

My Panaflo growls, especially when undervolted. I have all of the San Ace "Silent" series. I love them, but they're not as click-free as the GT's.

I never thought about letting the front fan protrude from the front, but you're right: there is room for a 120x38mm fan in my Beta Evo. I can't speak for the M59. Thanks for the tip. I may put my UK1K in there, just for grins.

You're also right about the prices of the Yate Loons vs everything else. But I'll share this: I got my daughter a 5.25 insert for the front of her Lian Li case. It holds a 120x25mm fan. I gave her a choice of any fan from my extensive collection. She chose the 800 rpm AP-12 Gentle Typhoon.

I thought good and hard about the M59 when I was looking at cases. It has many charms, but the Beta Evo won out. For one thing, that extra 1cm in width made all the difference in the world. For another, I have done just a wee bit of modding . . .
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post #9 of 14
Quote:
Originally Posted by ehume View Post
The GT's deserve their hype. What they amount to is fans in low gear, with their shallow blade pitch.

My Panaflo growls, especially when undervolted. I have all of the San Ace "Silent" series. I love them, but they're not as click-free as the GT's.

I never thought about letting the front fan protrude from the front, but you're right: there is room for a 120x38mm fan in my Beta Evo. I can't speak for the M59. Thanks for the tip. I may put my UK1K in there, just for grins.

You're also right about the prices of the Yate Loons vs everything else. But I'll share this: I got my daughter a 5.25 insert for the front of her Lian Li case. It holds a 120x25mm fan. I gave her a choice of any fan from my extensive collection. She chose the 800 rpm AP-12 Gentle Typhoon.

I thought good and hard about the M59 when I was looking at cases. It has many charms, but the Beta Evo won out. For one thing, that extra 1cm in width made all the difference in the world. For another, I have done just a wee bit of modding . . .
I see your point, I'm sure they're very quiet. From what I've heard about them, they're good at being extremely quiet. The thing is most people especially on this forum don't mind a little noise in exchange for better performance.

For $10 they'd be awesome. The problem is at $15-20 they start competing with deltas and stuff which is the price point at which just about everything besides that loses.

I'd also agree that panaflos don't undervolt very well which is why I suggested getting the lower speed one. Mine clicks a little and doesn't really move much air until about half speed. That's enough if your cpu is just idling or doing very little. Those are my complaints as far as the panaflos, however they're still really good fans especially since comparatively they're not too loud and since they're cheap for a higher performance fan.

I'm still looking for that one $15 fan to save the world that moves a ton of air at high speed but is silent at low speed. So far nothing I've bought comes close to my AFC which does just what I described. I got it for free out of an old dell too . Such a shame they don't sell AFCs.

I didn't know the beta evo is wider. That's interesting because the only way the dark knight my friend got fit in was because the window is slightly concave. That allows about a cm of extra width.
Edited by drjoey1500 - 5/14/11 at 9:42pm
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post #10 of 14
Thread Starter 
Just got out a ruler and using some guesstimating (spell check thinks that a real word?) it appears as though there is 40+mm of room for a fan there so I might end up getting this panaflo for the front of my case.
http://www.sidewindercomputers.com/pa12ulhisp.html

I might end up installing a fan in the bottom of my case after I remove the hdd cage. There appears to be a space for a 120m fan in the bottom of my case but my PSU covers a quarter of said space making it virtually useless.
Also, how did you remove your hdd cage? Mine is riveted in place so I will have to drill out the rivets.
Venom Phenomena
(14 items)
 
  
CPUMotherboardGraphicsGraphics
Phenom x6 1090T BE GA-970A-UD3 Zotac GeForce GT 220 - Synergy Edition EVGA GTX 560 Ti 448 Cores Classified Ultra 
RAMHard DriveOSMonitor
2x Corsair CMV4GX3M1A1333C9 4GB Spinpoint F2 1TB Win 7 64-Bit Samsung SyncMaster 712n 
PowerCase
Corsair HX750 NZXT M59 
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Venom Phenomena
(14 items)
 
  
CPUMotherboardGraphicsGraphics
Phenom x6 1090T BE GA-970A-UD3 Zotac GeForce GT 220 - Synergy Edition EVGA GTX 560 Ti 448 Cores Classified Ultra 
RAMHard DriveOSMonitor
2x Corsair CMV4GX3M1A1333C9 4GB Spinpoint F2 1TB Win 7 64-Bit Samsung SyncMaster 712n 
PowerCase
Corsair HX750 NZXT M59 
  hide details  
Reply
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