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post #11 of 15
Thread Starter 
Quote:
Originally Posted by ehume View Post
My airflow:



You don't need that back top fan.
-Sighs.- I wish you'd at lest take a look at the pictures. I have no clearance issues what so ever on the top. It is the top side fan. Yes I can get a 12mm fan to clearance, but do you think it would help the Zalman stay cool or just impede airflow through the thing?

Lots of answers, maybe just not the ones I want to hear. The 12mm thick scythe fans are little bit pricey compared to some competitor 25mm, so I could stick with just one 120 on the side and leave the the other open to the air, or go ahead and suck up the prices of the 12mm and put two of them on the side (ocd like that. one 25 and one 12... Not gonna work for my head.)

Though I did mention that some one said that blowing air into the Zalman like that may just impede airflow, and I can see where he is coming from but even in that case it seems like it would still make sense to have an exhaust fan over the Zalman and suck the heat right out of the fins.

Thanks everyone for your feedback. Taking all this to heart. I intend on keeping this system this way for a long time, with minor upgrades, and I want it to be right. Starting to think the only way I'll truly have my answer is to buy the 12mm fans and test for myself.
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post #12 of 15
Quote:
Originally Posted by ShamelessTR View Post
-Sighs.- I wish you'd at lest take a look at the pictures. I have no clearance issues what so ever on the top. It is the top side fan. Yes I can get a 12mm fan to clearance, but do you think it would help the Zalman stay cool or just impede airflow through the thing?

Lots of answers, maybe just not the ones I want to hear. The 12mm thick scythe fans are little bit pricey compared to some competitor 25mm, so I could stick with just one 120 on the side and leave the the other open to the air, or go ahead and suck up the prices of the 12mm and put two of them on the side (ocd like that. one 25 and one 12... Not gonna work for my head.)

Though I did mention that some one said that blowing air into the Zalman like that may just impede airflow, and I can see where he is coming from but even in that case it seems like it would still make sense to have an exhaust fan over the Zalman and suck the heat right out of the fins.

Thanks everyone for your feedback. Taking all this to heart. I intend on keeping this system this way for a long time, with minor upgrades, and I want it to be right. Starting to think the only way I'll truly have my answer is to buy the 12mm fans and test for myself.
Sorry I was dense. I get it now. Any chance of turning that Zalman so it blows air front to back? As it is now, your heatsink will ingest hot air coming off your gpu, if I'm understanding the pics correctly.

IIRC when I fitted a Megahalems vertically, the intake fan interfered with a 140mm side panel fan. I was limited to a 120mm side panel fan.

The side window can't really go any lower: the bottom edge of the 140mm side intake fan is kissing the corner of the psu. If I had a 120x38mm fan there it would clear the psu by 8 - 9mm.

Having a side intake fan while keeping front intake and keeping the rear slots uncovered should send the gpu's exhaust out, rather than all over the inside of your case.
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post #13 of 15
Thread Starter 
Quote:
Originally Posted by ehume View Post
Sorry I was dense. I get it now. Any chance of turning that Zalman so it blows air front to back? As it is now, your heatsink will ingest hot air coming off your gpu, if I'm understanding the pics correctly.

IIRC when I fitted a Megahalems vertically, the intake fan interfered with a 140mm side panel fan. I was limited to a 120mm side panel fan.

The side window can't really go any lower: the bottom edge of the 140mm side intake fan is kissing the corner of the psu. If I had a 120x38mm fan there it would clear the psu by 8 - 9mm.

Having a side intake fan while keeping front intake and keeping the rear slots uncovered should send the gpu's exhaust out, rather than all over the inside of your case.
Ha ha. It's cool, but I'm still not sure your getting me, and the Zalman can be installed either way, but my GPU is in the lower slot as of now and very clear of the intake of the Zalman, and sucking the fresh air from the lower 120. The clearance issue is that the standard thick fan is too thick to go over top of the Zalman. There are two 120 slots on my side panel. The lower one fits just fine, the upper one will not work. So it's either gonna be open to the air, or I'm going to have to get some 12 mm thick fans which will clearance.

When I get a second GPU I will keep in mind that the Zalman will be pulling off it, but I'm also thinking about upgrading to a CoolIt hybrid cpu cooler at the same time as a quad core deneb processor, but that is much into the future.

So clear cut question... Is it worth putting a fan over top the Zalman CPU cooler or do you think it will just impede airflow through?
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post #14 of 15
Quote:
Originally Posted by ShamelessTR View Post
Ha ha. It's cool, but I'm still not sure your getting me, and the Zalman can be installed either way, but my GPU is in the lower slot as of now and very clear of the intake of the Zalman, and sucking the fresh air from the lower 120. The clearance issue is that the standard thick fan is too thick to go over top of the Zalman. There are two 120 slots on my side panel. The lower one fits just fine, the upper one will not work. So it's either gonna be open to the air, or I'm going to have to get some 12 mm thick fans which will clearance.

When I get a second GPU I will keep in mind that the Zalman will be pulling off it, but I'm also thinking about upgrading to a CoolIt hybrid cpu cooler at the same time as a quad core deneb processor, but that is much into the future.

So clear cut question... Is it worth putting a fan over top the Zalman CPU cooler or do you think it will just impede airflow through?
For some reason it never dawned on me that you wanted to put a fan in the upper window. None of the three heatsinks I have used in my Beta Evo have left enough room for any fan* above the heatsink itself, and none is needed. A fan there would add nothing to the cooling performance of a tower cooler - and the Zalman is a tower cooler.

That fan space would be useful for one of those heatsinks that blows air down to the mb, like one of Intel's stock coolers. As for leaving it open or closed, try it both ways and compare temps. In my systems I generally see no great benefit to sealing it off.

* - any fan: not even a 12mm thick fan would fit, and those are noisy and push little air.
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post #15 of 15
Thread Starter 
Quote:
Originally Posted by ehume View Post
For some reason it never dawned on me that you wanted to put a fan in the upper window. None of the three heatsinks I have used in my Beta Evo have left enough room for any fan* above the heatsink itself, and none is needed. A fan there would add nothing to the cooling performance of a tower cooler - and the Zalman is a tower cooler.

That fan space would be useful for one of those heatsinks that blows air down to the mb, like one of Intel's stock coolers. As for leaving it open or closed, try it both ways and compare temps. In my systems I generally see no great benefit to sealing it off.

* - any fan: not even a 12mm thick fan would fit, and those are noisy and push little air.
That last part is all I needed to hear. Noisy and push little air? I'll definitely pass. Thanks for all your help.
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