Quote Originally Posted by DoctorPepper View Post
Putting 2x SSD in raid 0 improved loading times between areas by around 5-10 seconds give or take for me (upgraded from 7.2k drives). Other than that there was no noticeable performance increase. The biggest increase will come from upgrading your CPU/GPU. Helps for things like hunts but I wouldn't purchase SSDs just for FFXIV.

Additionally it improves OS boot time quite a bit and allows you to access and copy files more quickly between multiple SSDs. Installing software/games also gets a lot faster in comparison to 7.2k drives.
Its pointless to do Raid 0 with SSD atm. Just by putting in one SSD you get faster load times in the game. So instead of taking 10 seconds for transitions from zone to zone you take 3-4 seconds.