10
Seagate on track for 100TB HDDs by 2030 — claims current top drive will triple in capacity in 5 years
(www.tomshardware.com)
Keep it about datahoarding.
Rules
Remember to encrypt your drive. It'll take half a month to fill up the drive. If you want to wipe it with 3x random overwrite that'll take you a month an a half.
Drill press. But yes, encryption too. Unless you don’t know what you’re doing and/or are prone to forgetting passwords.