Gary, you should get the HGST 3TB Refurbish.
https://www.amazon.com/HGST-Ultrastar-HUS724030ALE641-Enterprise-Refurbished/dp/B01LYVD7ME/ref=sr_1_3?ie=UTF8&qid=1525992851&sr=8-3&keywords=hgst+3tb
I have two on my 5x3TB NAS no issue combine with WD Red, the HGST are enterprise grade and what...