Below is a comparison of speeds of different technologies, from slowest to fastest. Please note that these are theoretical maximum throughputs of the different technology.
| Technology | Theoretical Maximum Throughput |
| Apple Desktop Bus (ADB) | 0.01 Mbps or 10 Kbps |
| Serial Port | 0.23 Mbps or 230 Kbps |
| Geoport Port | 2 Mbps |
| USB 1.1 at low data transfer rate | 1.5 Mbps |
| USB 1.1 at high data transfer rate | 12 Mbps |
| FireWire 400 | 400 Mbps |
| SCSI | 1-40 MB/sec |
| Fast SCSI | 8-80 MB/sec |
| Ultra SCSI-3 | 18-160 MB/sec |
| USB 2.0 at high data transfer rate | 480 Mbps |
| FireWire 800 at 800 Mbps | 800 Mbps |