Vega64 PSU recommendation

alexp999 · 19 Oct 2021 at 10:01

I had this with my Vega 64, my aging 850W I think it was 8 years at the time, was clearly not able to sustain the loads and spikes it used to.

I diagnosed it using OCCT and power draw and combination of stress tests with different power limits and it was definitely power load related.

I grabbed a new AX1000 and it was sorted.

flea.rider · 19 Oct 2021 at 12:17

Vanilla said:
Separate cables EVGA Supernova 750w. Probably about 5 years old.

with evga being a 10 yw warranty ..well mine is .. you may want to go down that route .. contact them tell them whats happening and you have diagnosed it's the psu failing .. worth a try ..

Vanilla · 19 Oct 2021 at 18:47

flea.rider said:
with evga being a 10 yw warranty ..well mine is .. you may want to go down that route .. contact them tell them whats happening and you have diagnosed it's the psu failing .. worth a try ..

Well, it's so hard to diagnose a faulty PSU like this (if it's the PSU!). I'm tempted to just get a new PS and be done with it....hopefully Gibbo will pop in and say it worked!

interestingly I undervolted the Vega64 and it lasted longer when trying a password crack. It used to crash instantly but this time it lasted a good 20 seconds

.....then crashed...

So defo seems to be power draw related I think...

Vanilla · 19 Oct 2021 at 20:44

Pulled the trigger on a Corsair RM850. 2021 model so brand new, more power. 10 year warranty.

Vanilla · 21 Oct 2021 at 15:02

New PSU, still happens

This guy tried everything like me

https://www.reddit.com/r/Amd/comments/ho1ljf/vega_64_random_black_screen_switch_off_possible/

pallys · 29 Oct 2021 at 18:53

It's faulty, if you were running at stock or overclocked then that's what caused it, too much power over time has damaged the components, most likely memory.