STA Terms | Bus Speed, MBytes/Sec. Max. | Bus Width, bits | Max. Bus Lengths, Meters (1) | Max. Device Support | ||
Single- Ended | LVD | HVD | ||||
SCSI-1 (2) | 5 | 8 | 6 | (3) | 25 | 8 |
Fast SCSI (2) | 10 | 8 | 3 | (3) | 25 | 8 |
Fast Wide SCSI | 20 | 16 | 3 | (3) | 25 | 16 |
Ultra SCSI (2) | 20 | 8 | 1.5 | (3) | 25 | 8 |
Ultra SCSI (2) | 20 | 8 | 3 | - | - | 4 |
Wide Ultra SCSI | 40 | 16 | - | (3) | 25 | 16 |
Wide Ultra SCSI | 40 | 16 | 1.5 | - | - | 8 |
Wide Ultra SCSI | 40 | 16 | 3 | - | - | 4 |
Ultra2 SCSI (2,4) | 40 | 8 | (4) | 12 | 25 | 8 |
Wide Ultra2 SCSI (4) | 80 | 16 | (4) | 12 | 25 | 16 |
Ultra3 SCSI or Ultra160 SCSI (6) | 160 | 16 | (4) | 12 | (5) | 16 |
Ultra320 SCSI (6) | 320 | 16 | (4) | 12 | (5) | 16 |
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