I got some quite strange issues with my computer - I installed a new computer including a Supermicro X11SAE Board, an AMD 380 graphics card and a Samsung 950 Pro M.2 - an this is the boot process I get:
#1 During bootup the background color of the screen is blue. Supermicro blames my AMD graphics card for this. The same for the strange blue-ish box which appears a few seconds later (at 0:21).
#2 I am very surprised to see how long this up-to-date configuration takes to boot.
#3 I am getting some weird beeping which is a feature according to Supermicro - one beep for every USB device connected to the computer.