@RAIDSupport Thanks for the time spent guiding me through this issue! And the reference materials supplied, too. 😀

@SoftRAID Support Another thing I notice on both my RAID (NVe & SATA) checking performance, hours and media life is that in RAID4 Array the spee...

Actually the testing you had me do, combining 500GB into a RAID0 for testing, let me down a rabbit hole, since by themselves the BX-500's worked, but ...

What would be a 100% match to 870EVO?

@SoftRAID Support Thanks for comments. Also found out that mix/match with non-matching SATA drive configurations make a big difference to write sp...

@SoftRAID Support, For you or anyone else interested, found that Crucial BX500 (upon testing a pair) make a pretty poor product for a RAID install o...

@SoftRAID Support, Replaced the culprit drives - the slow-downs: two Samsung drives 840, 850EVO (Crucial Tech BX500 6Gbs SATA) Testing 6 Drive Test ...

Here's a screenshot of the second drive tested singly to show it slows down regardless of whether it's in a RAID or not. and also that upon checking t...

On a "bad" drive the verify made absolutely no difference. On a marginal drive there was a small improvement to the Write Performance and nothing chan...