Question Overheating 2080ti FE

[MongooseMonke]

Specs:
CPU: Ryzen 7 5700x

CPU cooler: ThermalTake Pearless Assassin 120mm

GPU: RTX 2080ti Founders Edition

RAM: G. Skill Aegis 16 3200mhz cl 16

MOBO: Gigabyte b450m ds3h

PSU: Corsair cx550m

Case: NZXT H510

Fans: Thermalright TL-C12C-S CPU Fan 120mm (2 facing in from the front, 2 on the cpu cooler, 2 facing out (one in the top one in the back))

My GPU temperatures have been hitting 86-88C at full load (playing games like cp2077 and FH5, also while benchmarking). I have not overclocked the GPU at all and have tried undervolting it but it only helps gain some FPS and there is no help to the temperatures. If I go with a more aggressive undervolt my games just crash. I also have tried turning my fans for my case and GPU all the way up which didn't help significantly, I have replaced thermal paste and pads, opened the side panel, and used compressed air to clean the fans (I can't get into the actual vapor chamber or parts of the fans because that part of the GPU can't be taken apart). I feel like I have tried almost everything. I also know 2080tis are not the most power efficient but surely they aren't supposed to get this hot with good airflow and a cool ambient temperature. I have also heard that the NZXT h510 does not have the best airflow but I have removed the whole side and back panel which has not helped at all.

Any help would be appreciated

 

[JayGau]

Download and install MSI Afterburner and set a custom fan curve. Set it quite aggressive like 100% when the temp reach 75c and see if it helps. It's also important to make sure you evacuate enough hot air from the case when the GPU is running. How are you controlling your case fans?

Also, your PSU is way too weak for your system. You should have at least 650 W, ideally 750 W.