HDD recommendations

Retail just means the colorful box as you would see it in physical stores whereas "bulk" you get it in plain cardboard and plastic bubble/bag etc.

so bulk it is, thanks user.
Anything to say about the drive itself? I check a couple of reviews and it seems like it will do fine for storage, my only worry is how long it will last, 2 year waranty is pretty shit in my opinion.

What HDDs are recommended for important data? Thought about WT HC310 aka HGST or Toshiba N300, expensive though.
What about media, just need more space for torrents etc, I guess cheaper stuff like Toshiba P300 is fine, right?