Server machines usually came with an SD-card slot on the board (and with ability to boot from it). This was often used for ESXi-like environments, which also re

Server machines usually came with an SD-card slot on the board (and with ability to boot from it). This was often used for ESXi-like environments, which also required dedicated device for themselves. There are also SATA-DOMs or USB-DOMs. You could use one of these modules with your machine.