If you don't include images, the world's knowledge should be able to fit into a 1TB µSD card; most fandom wikia's + random wikis from the web + wikipedia + wiki

If you don't include images, the world's knowledge should be able to fit into a 1TB µSD card; most fandom wikia's + random wikis from the web + wikipedia + wikiquote + wiktionary + wikibooks. Text compressed well, especially if you have a lot of it and image files usually make up the bulk of any archival effort.