Don't bother making RAID arrays with old SSDs.
You don't need the hassle.
If you've looked at your NAS running a RAID array and wondered what it would be like swapping those HDDs for some SSDs, you're not alone. After all, if RAID can make slower drives access data faster, then with faster ones it should be even faster, right? But that's only part of the equation, and the other things you need to consider are more important in this case.
