HPE LTO-7 Ultrium 15TB RW Data Cartridge C7977A Type LTO-7 Data Cartridge (Read/Write) Native Capacity 6.0 TB (6,000 GB) Compressed Capacity Up to 15.0 TB (Assumes a 2.5:1 compression ratio) Compatibility Read/Write: LTO-7 Tape Drives Read-Only: LTO-8 Tape Drives and LTO-9 Tape Drive* Partition Support Yes Encryption Support Yes (AES 256-bit) Media Composition Advanced metal particle (AMP) tape Data Transfer Rate  (up to 300 MB/s native)