WD will use microwave technology to create 40TB hard drives ...

DL CADE, DPREVIEW:

Every time you think we're approaching the ceiling of what's possible in the world of photo storage, a new innovation comes along that moves that ceiling just a little (or a lot) higher. Case in point: Western Digital has revealed some new proprietary technology that it claims will allow them to create 40TB 3.5" spinning disk hard drives (HDDs) by the year 2025.

Read more, from here.