Iomega Corporation' s drive which takes removable one or two gigabytedisk cartridges which contain conventional hard disks. Internal and external drives are available claiming an average transfer rate of 330 megabytes per minute - though that is dependant on the SCSI adapter, the parallel port adapter is unlikely to reach anything like this speed. The Jaz drive was the successor to the company' s more establistablished {Zip Drive}. (1998-08-28)