Ultra-Wide SCSI3 is the type, ... inside was a tiny 2.5" IDE drive with a SCSI adapter! USB to SCSI exists and you can buy the adapters to convert from 50 pin (or 25 pin!) ...

I have two Atlas 10k's running off of a Tekram DC390F (Ultra-Wide SCSI). Seeing as I don't generally copy files between the two drives, would I see any benefit by moving to an Ultra2 or Ultra 160 ...