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scythe ninja mini install question (fans)

post #1 of 11
Thread Starter 


in the process of checking out the fit on my new build ... and have a question

the Scythe Ninja Mini .. has an 80mm fan that comes with it, as you can see in the above photo i have 3 120mm fans right around the cooler fins ... should i still place the little 80mm there? 2 of the 3 fans will be pulling air out of the case straight across the fins .. the third one will be pulling air as well but isn't near it ...

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post #2 of 11
Top 2, turn them to intake, bottom one, turn it ti exhaust. Attach the 80mm fan on the right of the heatsink, facing the rear exhaust.

Advantages: HS cooling on two fronts, plus no heat rising the the HS, ~5C off
Edited by Adrienspawn - 5/30/08 at 3:59pm
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post #3 of 11
Thread Starter 
hmmm well on the left side of the heatsink near the rear fan there isn't enough room to put the 80mm fan ...

right now the case has a total of 6 120mm fans in it ...
one on the bottom front (intake)
one on very bottom (intake)
one in middle of side panel (intake)
one on top rear (exhaust)
two on very top (exhaust)

so switching them around like you said i think would throw other stuff off as well ...
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post #4 of 11
I just installed that HS in a slightly different, but still similar, case...The antec 300.

I have 2 120mm fans at the front by the hard drives for intake,
1 120mm fan on the side panel blowing at the GPU for intake,
1 140mm fan directly above the HS for exhaust,
1 120mm fan on the rear of the case for exhaust...

So a somewhat similar flow of air as you have... what i did was mount the 80mm fan on the bottom of the HS, blowing air upwards through the heatsink itself. This makes the general flow of air through the heatsink upwards and rear-wards.

I have been considering mounting a second fan on the HS near the RAM to push more air into the heatsink rear-wards... But im pretty happy with my temps right now so we'll see if i get the motivation for it ; )

Also, in reply to your comments, Adrienspawn,
I thought of that, but with an intake on the side panel, most of the air you are pulling through the CPU is pretty fresh ( room temp ), and not much makes it all the way from the HDs to the top exhaust.
Possibly for better CPU cooling that may be the best option, but for a general case air-flow, why not go with the laws of physics and let the hot air rise...
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post #5 of 11
Thread Starter 
that makes sense ... will put it on the bottom

heh got sidetracked with a dead PSU that i have to rma .. so not in a rush on it right now ...
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post #6 of 11
My bad I meant right!
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post #7 of 11
Quote:
Originally Posted by spOon2410 View Post
I just installed that HS in a slightly different, but still similar, case...The antec 300.

I have 2 120mm fans at the front by the hard drives for intake,
1 120mm fan on the side panel blowing at the GPU for intake,
1 140mm fan directly above the HS for exhaust,
1 120mm fan on the rear of the case for exhaust...

So a somewhat similar flow of air as you have... what i did was mount the 80mm fan on the bottom of the HS, blowing air upwards through the heatsink itself. This makes the general flow of air through the heatsink upwards and rear-wards.

I have been considering mounting a second fan on the HS near the RAM to push more air into the heatsink rear-wards... But im pretty happy with my temps right now so we'll see if i get the motivation for it ; )

Also, in reply to your comments, Adrienspawn,
I thought of that, but with an intake on the side panel, most of the air you are pulling through the CPU is pretty fresh ( room temp ), and not much makes it all the way from the HDs to the top exhaust.
Possibly for better CPU cooling that may be the best option, but for a general case air-flow, why not go with the laws of physics and let the hot air rise...

Actually heat does not rise in cases as much as one would think. The heat will go wherever the airflow is directed. But either way, turning the top two to intake will reduce temps. Contrary to what people think, having more intake than exhaust is better than having an even amount of both. I achieved my best temps with 4 intakes and one exhaust. Keep every fan other than the top two and bottom one facing the left, and the top and bottom fans facing down. If you have the space, add an 80-92mm fan on the bottom of that cooler, sucking air down, and another one on the right of it, pushing air in. I would probably change that side intake to exhaust, but it depends where exactly it is. I typed this pretty quickly for the amount it says, so don't hesitate to ask if there is something you don't get! (Especially Devil!)
Edited by Adrienspawn - 5/30/08 at 4:07pm
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post #8 of 11
Thread Starter 
ok the side intake on the case is just below where the vid card sits



what about taking the one i have on the rear as an exhaust and switching it to intake ... ?

there is room to fit the fan on the bottom of the cooler.



here is a shot of how the case is laid out with everything in it (it is doa for a bit, due to a bad out of the box PSU that i have to RMA so have time to figure out on the fans and maybe clean up the cabling more then it is shown in that pic)

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post #9 of 11
Do what I said above, the only thing I'm not sure about are the side fans. I think top side fan should be exhaust, bottom as intake.

Edit: Both side fans as exhaust, and bottom inside fan intake, that's it!
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post #10 of 11
Thread Starter 


ok still confused.

each blue / purple block shows a fan location for my case ...

currently the side one and the two bottom ones (bottom and front lower) are set for intake

and the three upper ones are set for exhaust ...

if i am understanding right, set the top two for intake, and the back top one for intake and place my 80mm fan on the bottom of the HS blowing downward. and take the fan on the side panel and set it for exhaust ? ... or are you talking about adding a second side fan as well for exhaust and have all the others set for intake ?
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