system
A chat on subreddit /r/pcmasterrace
human
Some motherboards allow you to update the bios without the usb stick. They can connect to the internet using ethernet and download it themselves. For example my ASUS Prime B350-Plus can do that.
gpt
I know there’s an option to update BIOS this way, my respond was about you don’t NEED internet for updating bios if there’s old good usb drive option