Hello I am hoping that someone can help me figure out an airflow issue with my HP Envy 750-055xt. Being a matx/uatx case, I believe that my 4790k and GTX 970 has not been getting adequate air flow. I am upgrading my PSU from which was the maximum offered by the manufacturer to a fully modular 80+ gold 650W psu that comes with a slightly larger 135mm exhaust fan. The case came with a 120mm exhaust fan, no side or front fan, and a decent sized side vent on the case but unfortunately did not come with a side fan. I have some space in my 3.5" bays facing to the side panel, but I don't want to risk installing and intake that will pull air in from the CPU fan or the GPU. HP claims that my heatsink assembly is approximately 4x4x2.75", so I think the fan is 80mm but I could not find the dimensions online. The video card fans face upwards, and I believe that the fans push air towards the GPU. The processor's heatsink assembly is located below the GPU and blows air away from the processor, and the case exhaust fan is also located below the GPU mounted to the rear of the chassis. The side panel vents fill up approximately 1/3 of the side panel of my case, leaning more toward the the front of the tower.
I am considering changing the stock 120mm exhaust fan and the 80mm cpu fan, however I am not sure if my problems will be fixed since there may not be adequate intake. I'm trying to avoid a situation where after I install an intake then hot air may be pulled toward the intake and away from the rear exhaust. My ambient temp is 22 degrees C, GPU and CPU core temps hit above 80 C at load at 90-95% cpu use. Some heat issues may be due to the inefficient bronze rated 500W PSU. I have not even OC'd my processor- it is currently running at its standard 4.0ghz state. My goal is to lower my temps with hopes that i can OC but I don't want to risk adding heat to an already hot situation. I would rather not buy a new case and move everything over if I can avoid doing it. Can anyone help me figure out an airflow-fix solution (with low noise hopefully) to this problem?
Edit-- The motherboard is a Kaili2 z97 motherboard, picture can be found here https://support.hp.com/us-en/document/c04525350
One problem I see with getting a larger cpu fan is that the 4 slots of ram which I use would be affected by the larger size of a heatsink assembly fan. I thought this might be helpful for anyone who reads this..
Edit 2- The current heatsink fan looks like this https://www.amazon.com/PartsCollection%C2%AE-HP-644724-001-CPU-Heatsink/dp/B0145YM0FO
I am considering changing the stock 120mm exhaust fan and the 80mm cpu fan, however I am not sure if my problems will be fixed since there may not be adequate intake. I'm trying to avoid a situation where after I install an intake then hot air may be pulled toward the intake and away from the rear exhaust. My ambient temp is 22 degrees C, GPU and CPU core temps hit above 80 C at load at 90-95% cpu use. Some heat issues may be due to the inefficient bronze rated 500W PSU. I have not even OC'd my processor- it is currently running at its standard 4.0ghz state. My goal is to lower my temps with hopes that i can OC but I don't want to risk adding heat to an already hot situation. I would rather not buy a new case and move everything over if I can avoid doing it. Can anyone help me figure out an airflow-fix solution (with low noise hopefully) to this problem?
Edit-- The motherboard is a Kaili2 z97 motherboard, picture can be found here https://support.hp.com/us-en/document/c04525350
One problem I see with getting a larger cpu fan is that the 4 slots of ram which I use would be affected by the larger size of a heatsink assembly fan. I thought this might be helpful for anyone who reads this..
Edit 2- The current heatsink fan looks like this https://www.amazon.com/PartsCollection%C2%AE-HP-644724-001-CPU-Heatsink/dp/B0145YM0FO
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