No problems here with the latest BIOS (F16b) in my B550 AORUS PRO AC

Maybe the memory trainig is fast but not accurate and that's why you are having BSOD....

New F15D for B550 AORUS PRO AC (rev. 1.x):

1. Checksum : 98CD
2. Update AMD AGESA V2 1.2.0.7

B550 Aorus Pro AC

F15c 19.05 MB 2022/05/11 Checksum : 2103 Update AMD AGESA V2 1.2.0.7

https://download.gigabyte.com/FileLi...cb0416d8a1ab25...

Similar to B550 AORUS PRO AC, US Site.

https://www.gigabyte.com/us/Motherbo...upport-dl-bios

F14e based on AGESA 1.2.0.4 until yesterday and today a new F14 based on 1.2.0.5...

Right....

I have the same board, latest BIOS.
t refuses to boot at 1900 FCLK, and I'm getting WHEA errors at 1933+, so 1867 for me (with 3733 16-16-16 RAM and a 5800X)....

Didn't know this, good tip.

Now, If there was a way to set the RGB color without installing RGB Fusion, that would be great (B550 AORUS PRO AC), so I could remove Gigabyte software completely....

Yes, you can, after going through several menus and an extra reboot.

The apps are lightweight (Appcenter 13,6 MB, Fastboot 10,8 MB) and do not need to be running permanently. So for me they are a better and faster alternative that I just run only when I want to go to UEFI (I use Ultraf...

You can "enter" to BIOS on the next boot with the Gibagyte software (App Center + Fast Boot). It does not need to be always running....