Rare case of computer freezing (HELP)

[iantoledo3]

So I've been depressed lately coz my pc is acting strange , it happens when I'm playing games and it suddenly freezes after 30 mins I think . The screen just freeze and the keyboard and mouse is not working as well (the lights turned off) except for the fan and the AIO liquid cooler . It's just frozen like no bluescreens or anything its just an image where the game froze , All I have to do is long press the power button and start again and everthings back to normal, it works again the lights of the mouse and keyboard , My temps are fine though and my HDD is kinda loud but not that clicking noise for sure . My Graphics driver are Updated and I also have the latest bios update. FYI my pc is overclocked but this is also present both overclocked and not .

A short video on what's actually is happening:

https://youtu.be/2VZjXy_sFQY

Please lend me some help for this.I need my PC for educational purposes.

THANKS IN ADVANCE

 

[RARRAF]

probably PSU
And here's my pc specs:
CPU:
Motherboard:
RAM:
GPU:
HDD:
PSU make and age:
OS:
HWINFO from here https://www.hwinfo.com/download.php