I originally posted this on reddit after seeing a lot of posts trying to use a SATA M.2 SSD and saying it wouldn't boot with replies telling them to go buy a NVME M.2 SSD which isn't necessary when the board does support SATA M.2 with flashing the correct bootloader. This guide has 3 different sections, 1 being booting with Orange pi OS and 2 being with Armbian OS   Orange Pi OS Instructions Download Orange Pi OS Ubuntu or Debian from their website http://www.orangepi.org/html/har