Understandable, it's always best to spend some time researching that sort of thing when you can. Mind you, all I've heard about the Sabrent stuff is very positive so I've a feeling it'll suit your needs if you're after an SSD upgrade.
So embarrassingly I actually found out that there was a 2nd M.2 connector that was hidden by the massive cpu heatsink, so I now have 2x1TB Sabrents running in RAID0.