Specifications Comparison:

 

Connection Type Max. Speed Max. Devices per IRQ Plug 'N' Play
USB 2.0 480 Mbps 127 Yes
FireWire 400 Mbps 63 Yes
Fibre Channel 200 Mbps 126 Yes
SCSI Wide (LVD) 80 Mbs 15 No
USB 12 Mbps 127 Yes
Parallel 1.15 Mbps 1 No
Serial 1.15 Mbps 1 No

 

  SCSI Wide (LVD) Fibre Channel
Higher bandwidth 40-80 Mbytes/sec 100 Mbytes/sec
More connectivity 15 devices 126 devices
Simplified attachment Ribbon cable, jumpers, power SCA backplane: no jumpers, switches or power connections
Increased distance 1.5 meters total length SE (single ended), 12 meters total length (LVD) 30 meters device to device (copper), 10 kilometers device to device (optical)
Improved redundancy Parity and running disparity CRC
protected frames
Simplified interface Wide, Narrow, SCA, Fast, Ultra, Single-Ended, LVD, HVD 1 version