I wonder if this is possible? It certainly didn't work when i tried it, having moved the SATA system disk to a USB3 caddy. It tried to boot, the disk having been seen by the BIOS, but clearly something wasn't happy as it went into a never-ending repair cycle. Is there a way to make it happy perhaps?
I tried to google this but all i found was irrelevant stuff about cloning and copying.
GOAL: keep WIndows 7 available and install a different OS on a small, new (internal) SSD.