Question EVGA RTX 3080 XC3 Ultra + 1200W PSU

Sep 29, 2020
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Hello everybody,

I've had an EVGA RTX 3080 Ultra since 19.09.2020. The card is going well and I haven't had any crashes so far. The card boosts continuously in games between 1935-1980 MHz. I run the card with an Enermax 1200W Platinum power supply, an MSI X570 motherboard and a Ryzen 3900X. Under full load, the mainboard software shows that the 12V rail fluctuates between 11.8 and 11.9V.
Is that normal?

Best regards

Cptken
 

Solidjake

Prominent
Sep 6, 2019
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A quick search shows that Enermax PSU's aren't the best. I would try a different (quality) power supply and see if the issue is corrected. You can go down to 1000w if you'd like
 
Reactions: Cptken
Hello everybody,

I've had an EVGA RTX 3080 Ultra since 19.09.2020. The card is going well and I haven't had any crashes so far. The card boosts continuously in games between 1935-1980 MHz. I run the card with an Enermax 1200W Platinum power supply, an MSI X570 motherboard and a Ryzen 3900X. Under full load, the mainboard software shows that the 12V rail fluctuates between 11.8 and 11.9V.
Is that normal?

Best regards

Cptken
What is the model name of your Enermax PSU?
How old is it?

Voltage tolerances:
+12 volt should be +- 5% . That's 11.4 to 12.6. It's fine.

Scroll to page 22
https://web.aub.edu.lb/pub/docs/atx_201.pdf
 

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