What's the difference between G-RAID Mirror and Project 2?

TLDR: Same product, G-RAID Project 2 is the newer version. G-RAID Project 2 is pre-formatted in RAID-0, while G-RAID Mirror is pre-formatted in RAID-1.

The G-RAID Project 2 is the newer version, replacing the G-RAID Mirror. It comes with a default RAID-0 configuration, allowing you to use the full disk capacity right out of the box. 

Need redundancy? You can still reformat it to RAID-1.

As for the G-RAID Mirror, it’s just as easy to switch it to RAID-0 using this quick procedure.