Posted this elsewhere but hoped this would have higher visibility.
 
While using the LN2 BIOS and cranking the Power Target/Limit in both Precision X1 and later on Afterburner (assuming it was a Precision X1 issue) to 120%, I've noticed that GPU-Z continually shows my issues being capped at 108.1% Power Target, occasionally a VRel or VOp PerfCap Reason, but primarily it's because of not being able to hit the power target. I'm using a 1000W Seasonic Prime Platinum PSU and an i9-9900KF so power draw shouldn't be an issue at all, but it's just beyond frustrating having my hybrid kit FTW3 3090 outperform the K|NGP|N card because it refuses to go to the 120% power target I've set.
 
Also - coil whine on this thing is a huge, huge turn off right now. The coil whine on the GPU is louder than 6 fans on the 360mm radiator keeping the card cooler than 50C under heavy load.
 
Any suggestions on how to remedy this? I've tried DDU and a fresh install of drivers but no dice so far.

I'm having the same insane buzzing noise on mine, I thought it was something besides coil whine because it's so crazily loud. You can hear it over everything in the room, not just the fans. I'm calling support tomorrow as everything I do results in a crash right now though after DDU, reinstalls, remounts, etc and plan on asking them.
 
In the few times that it did work to launch a PR run, I also had the same effect. I think about 109% was the maximum I saw during a run that lasted long enough to not crash immediately. If I had a working card, I'd do a few more tests to see.

So this would explain the mediocre performance of my card.
On the LN2 bios, the max power draw I have ever seen was 454W in multiple benchmarks. 
GPU-Z shows Pwr PerfCap on every run.

Same problem with power draw on my card. Right around 460w board power is the maximum before power throttling starts. Running an undervolt at 1075mV for PR runs right now to prevent power throttling but its hurting my score. Hit a wall at 14800, cannot go further without getting the portable ac unit out or opening a window next to the PC for sub ambient. No coil whine issues thankfully, card is very quiet. This feels A LOT like the bugged 500w bios on my FTW3. I run the XC3 bios on that card as a workaround. 
 
I'm using a 1200w P2 PSU with custom 16awg cables that I built.

edgeofsanity
Same problem with power draw on my card. Right around 460w board power is the maximum before power throttling starts. Running an undervolt at 1075mV for PR runs right now to prevent power throttling but its hurting my score. Hit a wall at 14800, cannot go further without getting the portable ac unit out or opening a window next to the PC for sub ambient. No coil whine issues thankfully, card is very quiet. This feels A LOT like the bugged 500w bios on my FTW3. I run the XC3 bios on that card as a workaround. 
 
I'm using a 1200w P2 PSU with custom 16awg cables that I built.

I half reluctantly pulled the trigger on my opportunity at a kingpin yesterday, I really hope I don't regret it. Already have a FTW3 Hybrid that is doing all the same things as others have stated. Power wall and aggressive down-clocking despite low temps. This premium card better not face the same problems...
 
For reference, Z390-E ASUS board, 9900k, and 1200W EVGA Supernova PSU.

I don't see 500+ on PR or anything in 3dMark.  Moment I fire up Furmark and run the short little 4k test, it pulls 500-520 consistently.  
 
I'm not seeing any downclocking though .. it's a rock solid clock throughout PR or even when gaming.   
 
https://www.3dmark.com/pr/653446

Stickboy46
I don't see 500+ on PR or anything in 3dMark.  Moment I fire up Furmark and run the short little 4k test, it pulls 500-520 consistently.  
 
I'm not seeing any downclocking though .. it's a rock solid clock throughout PR or even when gaming.   
 
https://www.3dmark.com/pr/653446

Can you share a screenshot from GPU-Z with "PerfCap Reason" when running PR on the LN2 bios?
 

agree with stickboy. Run Furmark and it'll use 500-520 watts. 3d mark benchesalmost Always sub 500 watts

Basgolfer
agree with stickboy. Run Furmark and it'll use 500-520 watts. 3d mark benchesalmost Always sub 500 watts

The problem here is not a 520W power draw in 3DMark but constantly hitting PL at 450W on the LN2 bios.

kris1111

Basgolfer
agree with stickboy. Run Furmark and it'll use 500-520 watts. 3d mark benchesalmost Always sub 500 watts

The problem here is not a 520W power draw in 3DMark but constantly hitting PL at 450W on the LN2 bios.

What is the PCIE slot power draw? That is one of the issues floating around and has yet to be officially addressed AFAIK. Some cards are showing a draw above "spec", and it's believed to be triggering the power limit. 
 
If you read through the 3090 XOC BIOS thread, you will see what I'm talking about.