The 08L6663 is an enterprise tape cartridge for use with 3570 tape drives. As the IBM 08L6663 is a C-format XL tape cartridge it has a capacity of 7 GB native and 21 GB compressed. Transfer rates for the 08L6663 Magstar MP Tape range from 7 MB/s native to 15 MB/s compressed. The IBM 08L6663 has a tape of length 745 feet and is based on a balanced PEN (Polyethylene Naphthalene).