18TB(raw) LTO-9 tapes go for US$ 105: * https://tapeandmedia.com/lto-ultrium-9-tapes/ https://tapeandmedia.com/lto-ultrium-9-tapes/ If your data is compressib

18TB(raw) LTO-9 tapes go for US$ 105: * https://tapeandmedia.com/lto-ultrium-9-tapes/ https://tapeandmedia.com/lto-ultrium-9-tapes/ If your data is compressible then you can of course store more. The drives themselves use Streaming Lossless Data Compression, but of course you can send them things like gzip, JPEG, MPEG files which are already compressed; SLDC: * https://www.ecma-international.org/wp-content/uploads/ECMA-321_1st_edition_june_2001.pdf https://www.ecma-international.org/wp-content/uploads/ECMA-3... LTO-10 is supposed to have 36TB raw and is estimated for perhaps 2024.