20. 9x 31x
VCD DVD Blu Ray
SD 650MB HD 6GB Full HD 20GB
21. Is USB 2.0 fast enough?
Low-Speed 1.5 Mb/s
Full-Speed 12 Mb/s
Hi-Speed 480 Mb/s
22. External Mass Storage
SATA II 3Gb/s HDD
SATA III 6Gb/s SSD
USB 2.0
FireWire 400
FireWire 800
eSATA
FireWire 1600
FireWire 3200
USB 3.0
23. USB 3.0 is 10x faster.
Low-Speed 1.5 Mb/s
Full-Speed 12 Mb/s
Hi-Speed 480 Mb/s
Super-High-Speed 4.8 Gb/s
24. Speed Comparison
USB 1.0 USB 2.0 USB 3.0
5.3 sec
Picture / Song (4MB) 0.1 sec
0.01 sec
22 min
USB Flash 1GB 33 sec
3.3 sec
2.2 hr
DVD 6GB 3.3 min
20 sec
5.9 hr
USB Flash 16GB 8.9 min
53.3 sec
9.3 hr
Blu Ray Movie 25GB 13.9 min
70 sec