Hard disks and some aditional information and I'm gonna do some research

Offcourse, hard disks with more data capacity.

And:
But also important much less energy use.
Faster working, more speed.

Less energy use, is also very important for where there's an extreme amount of data storage and
data use.
Extra: Less cooling needed.

Part 2:
Other kinds of data storage. New kinds of data storage hardware.

By JK