I had a MSI Ventus 3080 running with a bequiet straight power 650W. Now I'm running an EVGA 3080TI with a bequiet pure power and 750W.

ProFace987
The beeping, my 2,5 hdd no have any energy and shutdown. RGB fans no light. 12V nothave many Ampers, i think.Yl But Msi ventus dont have 450W. But de new bios 3080Ftw3 have 450W power. 3x8 pin in the psu.

You should start your own thread with detailed information so people can help you troubleshoot.  This is an archive thread of people's PSU results.
 
Regardless:  DID YOU CHANGE THE PSU CABLES.

Thermaltake Toughpower GF1 ARGB 750w  
 
Used with a 2080ti xc ultra for a year, than a 3080 xc3 ultra for a year  
 
and now a 3080 ftw3 ultra for a few days with not one problem.

EVGA GEFORCE RTX 3070 Ti FTW3
 EVGA SUPERNOVA 1000 G+, 80 Plus Gold 1000W, Fully Modular
It just run great with EVGA you all can see it all in my Mod rigs
Enjoy the eye hardware candy

My +6-year old AX1200i just died.  MB lights, but no fan/POST or MB code.  Fails built-in self-test.  Replaced with a Corsair HX1200 and will RMA the unit.  Most Corsair platinum and above have 10-year warranty.
 
System specs are EVGA 3090 FTW3 Ultra, 10900K(5.1 all-core), 32GB DDR4-4000, Asus Max Hero Z490.  Been using HX1000 and HX1200 for the last 3 systems builds with no drama with EVGA 3050, 3080ti, 3090.  They all use Type 4 cabling(Cablemod AX/RM Black series) which is nice.  Only oddball is the AX1200i.

 *Updated
 
1.  3080 FTW3 Ultra (12gig)
+ Works xint with the Evga SuperNova G3 850 80 Plus Gold
 
2.  3080 FTW3 Ultra (10gig) 
+ Works xint with EVGA SuperNOVA 850 G3, 80 Plus Gold .
- Does NOT work on a Seasonic 80 Plus Platinum 760watt .
 
3.  3070 FTW3 Ultra
- Does not work on a Seasonic 80 Plus Platinum 660watt or 760watt 

Jon_Snodgrass
EVGA RTX 3080 FTW3 Ultra
Ryzen 2700x
Seasonic FOCUS Plus 750 Platinum SSR-750PX
 
Works, but make sure that cables are plugged into PSU per Seasonic's instructions (certain 8 pin slots should be filled before others), otherwise maybe doesn't work.
 
So far seems to be working with the 450W BIOS!

Could you please give more information about 8-pin connection sequence? I can't find any instructions about this.
PS: I have Seasonic SSR-750TD (Titanium 2017 year) and I want to buy Asus TUF 3080
 
Can someone also answer whether undervolting helps in case of problems with the PSU due to too gentle protection on it?

RTX 3090ti video card and Corsair HX1000 PSU working fine

3080 FTW Ultra gaming with ROG Thor 1000W Platinum II.

ty_ger07
Do we still need this thread? Do we really? Can we let it die?

People are still posting here so we'll leave it for now. 

3090 FTW3 Ultra Gaming
EVGA SuperNova 850W G5
 
Full spec in Mods Rigs

with all the bundling ,I have a closet full of EVGA PSU's , they all work with 30 series, let me know if you need one and I can hook you up 

I think we need a thread of PSUs which aren't working. It would be a much smaller list and actually useful. This thread is useless spam. Please, stop posting your crap that no one really cares about. No one.

ty_ger07
I think we need a thread of PSUs which aren't working. It would be a much smaller list and actually useful. This thread is useless spam. Please, stop posting your crap that no one really cares about. No one.

There is a super easy fix for things you don’t like about this thread, stop opening the thread. It much easier than complaining every day that you want the thread locked or changed. Just stop opening the thread, and you won’t see it anymore. You could keep complaining and making no difference, it’s your choice. This thread isn’t going to get locked, removed, or changed because of your posts, so once again, just stop opening the thread.

the_Scarlet_one

ty_ger07
I think we need a thread of PSUs which aren't working. It would be a much smaller list and actually useful. This thread is useless spam. Please, stop posting your crap that no one really cares about. No one.

There is a super easy fix for things you don’t like about this thread, stop opening the thread. It much easier than complaining every day that you want the thread locked or changed. Just stop opening the thread, and you won’t see it anymore. You could keep complaining and making no difference, it’s your choice. This thread isn’t going to get locked, removed, or changed because of your posts, so once again, just stop opening the thread.

I'm making a request to the people in this thread to stop bumping what seems to be a useless thread, with information which seems to be useless, that no one seems to review or care about, for a problem which doesn't seem to exist anymore, or is a problem totally unrelated to the premise of this thread. I can't make that request without posting.