actually the price was one of the main factors for me, if you take in to account all the pci lanes and features of the normal top of the line desktop boards and bios options to play + 5 slots for m.2 ftw

as soon as you load one the other disappear, that's normal. you can try the other first and make sure you are using the lattes from amd

my memory i run it from cas 18 to cas 17. and no issue's so far. and i get 100gb of bandwidth , noise for me is great . you can see my Pc Specs

you have to follow to the letter this, P{age 8 or see some youtube video of it . https://drivers.amd.com/relnotes/amd-raid-quick-start-guide.pdf

i just remember in the past i got a cable for my monitor in color red and i got black screen. so i use the one of the original. maybe check the cable and cables for powering the 2080ti. I use asus 2080ti and corsair AX1600i Digital ATX Power Supply