I have two Hitachi hdds :

1000 GB sata2 18 months old and 1500 GB sata3 months old.
Sata3 developed bad sectors and Hitachi replaced it with a refurb.

When I run hd tune to see drive health status :



and



Does hd tune drive health monitoring means something ? Do I switch to sata3 drive which is refurbished. Recently, I have been having too much issues with hardware failures which has made me a bit edgy