U2520D, intermittently goes black

I have an 8 day old Dell Ultrasharp U2520 (25") which was shipped on November 28, 2022.

- I attached it to my computer (Lenovo) by DisplayPort and every 1/2/3 hours it goes black for a second and then comes back. It usually does this 1 or 2 times within a 20 minute period
- I previously had an older Dell Ultrasharp and another smaller monitor connected to the computer, and they did not have this random black screen problem at all
- Right now I have another monitor connected in addition to the U2520 and this does not have the problem at all (known good monitor)

So far I have tried the following and they did not help:
- Troubleshooting steps found in the manual
- Performed Self-test
- Performed Built-in diagnostics test
- Tried a different power outlet
- Tried disconnecting and reconnecting the DisplayPort cable
- Performed Factory Reset 
- Checked for Windows update
- Reinstalled drivers & installed Dell monitor software

I have a short video displaying the problem which I can share privately.

The issue is very similar to problems with the U2520 found :
- here, Dell
- here, Reddit
- here, YouTube

At this point it is pretty obvious to me the problem is with the monitor. I love the display, have always loved Ultrasharp and would like to stick with this model or better. I am a bit concerned as there are 2 reports on the web -- but I assume many other people have also NOT had the problem.

Important points/ concerns:
- I am NOT ok with paying a restocking fee of 15%
- I am 100% NOT ok with getting a refurbished exchange product when it is brand new/ 8 days old

I have the video and service tag ready.
Please let me know next steps.
Thanks.