Ultra-SCSI

from The Free On-line Dictionary of Computing (8 July 2008)

Ultra-SCSI

   <hardware> An extension of {SCSI-2} proposed by a group of
   manufacturers which doubles the transfer speed of {Fast-SCSI}
   to give 20MByte/s on an 8-bit connection and 40MByte/s on a
   16-bit connection.

   (1995-04-19)