MSI MAG B550 Tomahawk Motherboard Review | KitGuru- Part 2
Motherboard didn't come with screws for an m.2 drive, used the other m.2 slots standoff instead : r/pcmasterrace
Missing a screw for your M.2 SSD? Check this out! - Troubleshooting - Linus Tech Tips
MSI to add screwless M.2 SSD installation to AMD X670/B650 motherboards - VideoCardz.com
Guide to Motherboard Standoffs - Everything you need to know
I have no idea why whatever tiny screws those need aren't included. I actually screwed it in using the standoff first, before realizing that, well, it's a standoff and not a screw.