This article is from the storage FAQ part1, by Rodney D. Van Meter with numerous contributions by others.
Sony DTF is also a helical scan device, utilizing 1/2" digital data cartridges, same form factor as Digital Betacam. Capacitities of 12 (small cartridge) and 42 Gigabytes (large cartridge) UNCOMPRESSED at a sustained transfer rate of 12.2 MB per second again UNCOMPRESSED with and error rate of 10 to the -17. MTBF 200,000 HRS. INLINE sells this as the INLINE RES-400. Cost $55,000 per transport with 16-bit SCSI differential interface. 800.465.4637 or 703.478.0800 main, 703.478.0966 fax (John Tibbitts, email@example.com, Oct. '95) Also available from Cybernetics, EMASS, Transitional Technology here in the U.S. and several others in Europe and Asia (contact rdv if you're interested in contacts). One of these makes an SBCON interface for the drive. No Fibre Channel or HiPPI yet that I know of. Not available directly from Sony. (updated rdv, 1/96)