H-6495 Cartridge-Based Magnetic Tape Unit

Hitachi began shipping the H-6495, a magnetic tape unit using a new 128-track format, in June 1997. The 128-track format, along with three-times data compression, enabled high-density recordings — about 30 GB of data per tape cartridge (10 GB of uncompressed data). Data transfer speeds over ACONARC channel connections were raised from the previous 9 MB per second to 17 MB per secon