2 Radiators in 1 Case useless?

[Stuttgart]

Hi Guys,

 

im using an overclocked  i7 4770k and 1060 in my loop with a 30mm 360rad on top as an exhaust and an 60mm 280 rad as an intake (yes, push pull).
My ambient temperature is about 28c° - water in loop is about 30c° at idle and about 40c° at full load. GPU never reaches more than 43c°, and the cpu is also fine, its not delidded so the temps are useless anyway.

Im asking myself if my front rad is heating up the air inside the case so that the top radiator is useless?
Am i missing something or is the air which is coming in the case from the front rad (about 30c°) not cooling the top radiator in any way?

 

[django_keyes]

The front rad will cool the air to an extent, then the top will finish the job. This is what I have found from experience, the more surface area the better the performance. You would be basically removing 3/5 of your cooling potential. 

[W-L]

3 minutes ago, Stuttgart said:

Hi Guys,

 

im using an overclocked  i7 4770k and 1060 in my loop with a 30mm 360rad on top as an exhaust and an 60mm 280 rad as an intake (yes, push pull).
My ambient temperature is about 28c° - water in loop is about 30c° at idle and about 40c° at full load. GPU never reaches more than 43c°, and the cpu is also fine, its not delidded so the temps are useless anyway.

Im asking myself if my front rad is heating up the air inside the case so that the top radiator is useless?
Am i missing something or is the air which is coming in the case from the front rad (about 30c°) not cooling the top radiator in any way?

It will warm the air somewhat but it still has the ability to provide further cooling even if it goes into the case and then out into the second rad. At the end of the day you are still increasing the amount of usable surface area and the potential for cooling. As long as the airflow through the case is decent and well balanced it won't be an issue and from looking at those temps everything looks quite good. 

[Mick Naughty]

With just those two on the loop I wouldn’t worry about it. 

 

I use a 280 80mm rad as intake on my 1080 rig but the fans don’t even turn on till the cpu hits 45 or so. 

 

 

[Dschijn]

It does affect the cooling performance of the top rad when it's cooling the heated air from the front rad, yes! It doesn't make the top rad useless, but it's not running at it's best performance for sure.

In my case it was better to run front AND top as intake and just the back as exhaust.

[SolarNova]

I run 3 240mm rads myself.

1 front

1 top

1 bolted to the back via the 120mm exhaust mount.

 

I have them all exhaust for the very reason your describing.

My front rad is a Nexxxos Monsta 240with push pull. It heats up the air somthing feirce, so i was noticing internal case temps significantly higher than ambient. Once i switched it around to exhaust my temps inside the case, and my CPU and GPU temps lowered.

 

In the end it depends on how much the air is being heated.  If ur ambient is say 20c, and the internal case air is like 30c, then i'd sugest switching the fans around.

 

Your ambinet u say is 28c, if liquid temp is only 30c then the air inside your case shouldnt be that different from ambient so i wouldnt worry about it.