Mate,
Take a look at this thread...
https://forums.tomshardware.com/threads/asus-rog-gl552vw-and-new-samsung-256-gb-m2-ssd-issue.3628916/
GL552VW supports only SATA!
Thanks and regards,
SG
Experts,
I recently purchased a Samsung M2 SSD (256 GB) to replace the current Samsung M2 SSD (128 GB). Due to some reason, the BIOS is not detecting the new SDD. I've initialized and installed windows on the new SSD via both UEFI & Legacy but still ASUS ROG does not recognize it. Though, the...