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Best Rad setup in a ATCS 840?

post #1 of 7
Thread Starter 
- Got a Swiftech MCR320 with 6 Scythe GT15's Push-Pull in the top. ATM the fans are blowing air from the case and out. Just thought about changing it so that its taking air from the room and into the case, i would think that this would lower the temp quite a lot (Case temps are 33-35C, Room is 19-21 and water is 30C under load)

The only think that bothers me is having all this fans sucking air, and only 1*140 + GPU fan blowing it out, would this be a problem?


- Also has anyone tried adding a 240mm to the hdd cage, would this be better than a 120mm in the 5.25". I only have room for a slim 240mm with 2 fans on one side, but if i go for a 120mm in the 5.25" this could be a real thick one with 2 fans in Push-Pull, so whats best:

Slim 240 with 2xScythe GT15's in Push (This would use quite hot air from the hdd's

VS

Thick 120mm with 2xScythe GT15's in Push-Pull (This would get cold air from the outside of the case)

BTW: ATM I'm only cooling a Q9650 @ 4.2Ghz and NB, but will be adding water to my GPU, and maybe a second 570 under water as well.
post #2 of 7
AFAIK you can fit a 360 in the HDD cage.

You could also stick a 120 in the back.

You said you have a single 140mm fan exhausting air. What did you do with the 230mm in the front?
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by Serephucus View Post
AFAIK you can fit a 360 in the HDD cage.
How is that? The only way i see that is using the 2x120mm spots and then sticking up into the 5.25" bays.

Quote:
Originally Posted by Serephucus View Post
You could also stick a 120 in the back.
I know, but i would rather have a thick 120mm in the front that gets cold air, instead of having a slim 120mm in the back,

Quote:
Originally Posted by Serephucus View Post
You said you have a single 140mm fan exhausting air. What did you do with the 230mm in the front?
That's still there.

Back to the Q's:

Slim 240 with 2xScythe GT15's in Push (This would use quite hot air from the hdd's

VS

Thick 120mm with 2xScythe GT15's in Push-Pull (This would get cold air from the outside of the case)
post #4 of 7
In the water cooling gallery forum here I saw at least one ATCS 840 with a 240 RAD in the HDD drive.
I have a RX360 on top and 3 Gelid Silent 12s on a push config. I got 3 fans - the 230mm in front, a 120 on bottom and 120 on the back pushing air inside the case. I did not like the idea of blowing hot air inside the case - that is why the push config. At some point I might go with a 240 RAD in the HDD drivers or a 120 hanging out in the back. But for now, all my money is spent. Any more, wife will run me out the house.
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by Awaz View Post
In the water cooling gallery forum here I saw at least one ATCS 840 with a 240 RAD in the HDD drive.
I have a RX360 on top and 3 Gelid Silent 12s on a push config. I got 3 fans - the 230mm in front, a 120 on bottom and 120 on the back pushing air inside the case. I did not like the idea of blowing hot air inside the case - that is why the push config. At some point I might go with a 240 RAD in the HDD drivers or a 120 hanging out in the back. But for now, all my money is spent. Any more, wife will run me out the house.
Has anyone tried to have a 360 top rad with the fans blowing air inside the case? How would this effect the temps? (Regardless of the case)

I was thinking of having my 360 rad blowing in the case, adding a thick 120mm Push-Pull in the 5.25" blowing air in the case and a single 140mm fan in the back to blow the air out of the cage. The total would be:

3*120mm Rad in the top - AIR IN
1*120mm Rad in the 5.25" - AIR IN
1*230mm Fan in the front - AIR IN

1*140mm Fan in the back - AIR OUT

It would be a lot of positive pressure but i don't think this would be a problem, all the expansion slots in the back is vented, there is a lot of mesh on the back of the ATCS 840 and the 120mm slot in the bottom is empty so i think that a lot of the air would escape here because of the positive pressure.
post #6 of 7
I have a 120 push (rear), a 360 push (top) and a 240 push (HD area) all inside my ATCS 840. The 240 is a bit of a squeeze and since all my air is coming from inside the case out it's going to be a tad warmer than external...but the case is designed to look "normal" on the outside and there's a certain degree of effort and skill to cram all that equipment inside that interests me.

post #7 of 7
Thread Starter 
Just changed the fan orientation on my top 360 rad. Previously i had the 6 GT-15's on top as exhaust, changed them to intake saw a huge decrease in temps.

Take a look at the results under.

Load was after 20min of OCCT on Power Supply Test (Loads CPU and GPU both to 100%)

Cpu 0-3 are highest recorded with Real Temp, all other temps are from AIDA64 Extreme ED.
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