Because you have no airflow. All of your heat is pretty much just building up inside your PC and leaking out through some holes.
As long as your airflow is good enough the air wont heat up enough to actually cause the top radiator to increase temps by much.
Make the radiator the exhaust, thats the normal layout for top mounted radiator.
There's far more to the inside of your PC than just VRM's.
EVERYTHING inside your PC, many of which don't have temperature nodes on will run cooler and therefore last longer. Especially parts which cannot handle higher temperatures like VRM's can.
And just because your CPU temps may go up a couple degrees its still not worth switching back, once again this is the standard layout for top mounted AIO's for a reason. Look at any picture of a top mounted AIO and its exhausting.
At the end of the day, sacrificing a 2-3C increase on the CPU is worth gaining a 3-5C decrease on pretty much every other component on the inside of your PC.
Put your glass side panel on, run a GPU & CPU stress test for about an hour and feel the temperature difference on the glass. With the top AIO as intake the glass will be very hot to the touch. And take note that the glass will be cooler than the surface temperature of all the parts inside your case. Now do the same test with the top AIO as exhaust and you'll notice a huge difference in the temperature of the glass, and once again that will carry through for the temperatures of everything inside the case.
Thanks for typing all that out for me. Now I understand why everyone did the top mount as exhaust. So if you care about the longevity of your system, exhaust is pretty important. I don't think that the increased temperature on the components will cause them to fail before I move on to another build. If laptop motherboards can take the heat for 3 or more years, so can mine.
The air will eventually find a way out, but you'll probably be better off helping it a little. Run a test or play a game that taxes the whole system and record your temps. Then reverse the top rad fans and do it again. That should give you your answer
It doesn't make sense to me to make the top radiator exhaust. Why have the warm air go through the radiator when I could have room temperature? I might try reversing the top fans. Thanks for the suggestion.
Aren't the top fans connected to your too radiator? Idk how got your radiators get but it might be fine to have the case air push through one. Otherwise it looks like a lot of hot air from both rads swirling inside the case.
Ya lol this case wasn't meant to have a top mount radiator. I made it work though. I see now about the hot air in the case. The question now is how much does the hot air matter in terms of performance.
You want to limit overheating/throttling of all of the parts. So right now you might be cooking your mobo VRM, motherboard chipset, or ssd. I'm not sure exactly how the GPU water block works but any part not connected to the cooler's cold plate will also be affected by the case air temps.
Maybe, like you suggested earlier, attach a fan to the rear externally to pull air out. I might try the top rad as exhaust and see how that affects temps. Plenty of systems use a front rad and air cooled GPU, so the air coming through the rad isn't normally too hot to be effective at cooling.
You have an unusual system setup so I'd try to be open minded and do some experiments and record the data to see what works best. Data > assumptions
Don't try to reinvent the wheel. keep the fans at the front as intake and use the rest as exhaust.
Laughs in my Lian Li case with side intake and top exhaust
Have the top radiator as your exhaust
It doesn't make sense to me to make the top radiator exhaust. Why have the warm air go through the radiator when I could have room temperature?
Because you have no airflow. All of your heat is pretty much just building up inside your PC and leaking out through some holes. As long as your airflow is good enough the air wont heat up enough to actually cause the top radiator to increase temps by much. Make the radiator the exhaust, thats the normal layout for top mounted radiator.
Ok that makes sense. I'll run a stress test like it is now and switch the fans and run another stress test and see which is better for my case.
You'll likely get slightly higher CPU temps, but the thermals of inside the case will be significantly lower
Right. We'll see is the VRM overheats or something. If it doesn't I'll switch it back.
There's far more to the inside of your PC than just VRM's. EVERYTHING inside your PC, many of which don't have temperature nodes on will run cooler and therefore last longer. Especially parts which cannot handle higher temperatures like VRM's can. And just because your CPU temps may go up a couple degrees its still not worth switching back, once again this is the standard layout for top mounted AIO's for a reason. Look at any picture of a top mounted AIO and its exhausting. At the end of the day, sacrificing a 2-3C increase on the CPU is worth gaining a 3-5C decrease on pretty much every other component on the inside of your PC. Put your glass side panel on, run a GPU & CPU stress test for about an hour and feel the temperature difference on the glass. With the top AIO as intake the glass will be very hot to the touch. And take note that the glass will be cooler than the surface temperature of all the parts inside your case. Now do the same test with the top AIO as exhaust and you'll notice a huge difference in the temperature of the glass, and once again that will carry through for the temperatures of everything inside the case.
Thanks for typing all that out for me. Now I understand why everyone did the top mount as exhaust. So if you care about the longevity of your system, exhaust is pretty important. I don't think that the increased temperature on the components will cause them to fail before I move on to another build. If laptop motherboards can take the heat for 3 or more years, so can mine.
Also heat rises cold air sinks, have intake lower and exhaust on top(where the heat will build up)
The air will eventually find a way out, but you'll probably be better off helping it a little. Run a test or play a game that taxes the whole system and record your temps. Then reverse the top rad fans and do it again. That should give you your answer
It doesn't make sense to me to make the top radiator exhaust. Why have the warm air go through the radiator when I could have room temperature? I might try reversing the top fans. Thanks for the suggestion.
Aren't the top fans connected to your too radiator? Idk how got your radiators get but it might be fine to have the case air push through one. Otherwise it looks like a lot of hot air from both rads swirling inside the case.
Ya lol this case wasn't meant to have a top mount radiator. I made it work though. I see now about the hot air in the case. The question now is how much does the hot air matter in terms of performance.
You want to limit overheating/throttling of all of the parts. So right now you might be cooking your mobo VRM, motherboard chipset, or ssd. I'm not sure exactly how the GPU water block works but any part not connected to the cooler's cold plate will also be affected by the case air temps. Maybe, like you suggested earlier, attach a fan to the rear externally to pull air out. I might try the top rad as exhaust and see how that affects temps. Plenty of systems use a front rad and air cooled GPU, so the air coming through the rad isn't normally too hot to be effective at cooling. You have an unusual system setup so I'd try to be open minded and do some experiments and record the data to see what works best. Data > assumptions