Data capacity
12 TB native
Up to 30 TB with 2.5:1  IBM data Cartridge compression

Tape is more reliable than Enterprise SATA disk. With a BER of 1×10 to the power of 19 for LTO-8 versus 1×10 to the power of 15 for Enterprise SATA HDD’s. That’s a difference in reliability of four orders of magnitude – e.g. tape is 10,000 times more  than  SATA HDD.
Estimated data loss over 10 years for 1 Exabyte archive is 1.1 Petabytes for HDD compared to only 7.4 Terabytes for tape.