Usb

USB 3.0

• Super Speed: 5 Gbit/s → 625 Mo/s
  En réalité: 3.2 Gbit/s → 400 MB/s

USB 2.0

• High Speed: 480 Mbit/s → 60 Mo/s
  Due to bus access constraints, the effective throughput of the High Speed signaling rate is limited to 280 Mbit/s → 35 Mo/s.
• Full Speed: 12 Mbit/s → 1.5 Mo/s
• Low Speed: 1.5 Mbit/s → 187 Ko/s

USB 1.x

• Low Speed: 1.5 Mbit/s → 187 Ko/s
• Full Speed: 12 Mbit/s → 1.5 Mo/s

Clés USB

Benchmark: gnome-disks (paquet gnome-disk-utility)

	SanDisk Ultra Fit	SanDisk Ultra Dual	Toshiba TransMemory U302	SanDisk Cruzer Blade
USB	3.0	3.0 + micro-USB	3.0	2.0
Lecture	150 Mo/s	130 Mo/s	115 Mo/s	27 Mo/s
Écriture	45 Mo/s	9 Mo/s	6 Mo/s	6.5 Mo/s
Operating temperature	0°C - 45°C	0°C - 45°C	0°C - 50°C	0°C - 45°C