> We have thumb drives that can store petabytes of data

We do?

It was a question that you've edited out the punctuation. You're asking the exact same thing as the person you've replied

Please provide a link.

You would need 4 and change of these 245tb Kioxias to hold 1 petabyte, and an entire server grade computer to run them.

https://www.tomshardware.com/pc-components/ssds/kioxia-unvei...

Or 250 of these ~$400 4tb flash drives and an insane number of dongles to connect them all:

https://www.slashgear.com/1847725/largest-usb-thumb-drive-hi...

Plus one more for your parity drive.