just pulled from my personal server, has latest FW, was running just fine under windows server 2019
has the latest(last) firmware in it, supports up to 4TB drives
requires SFF-8087 cables (1 cable for 4 drives, 2 cables for 8)
(plenty on ebay for $10ish)
i can send you my folder of docs/drivers etc, if you need.
you can also change the bracket to a full height one (plenty on ebay too)