I get the impression that ext4 is more widely supported than exFAT.

Nah, if you are deleting everything on your PC, you’d better report it as 700EB or 7HB…

Any amount of China and Russia getting close would likely be purely from an “enemy of my enemy is my friend” perspective

Russia has lots of mineral resources that China wants, and China has lots of money that Russia wants.

Your quantum computer will have a device driver, that allows you to use it through your cluster. Just like your SAN.

Write it down as 700TB and it will be more accurate.