« Usb » : différence entre les versions
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| USB 3.1 || USB 3.2 Gen 2 || 10 Gbit/s = 1.25 Go/s = 1.16 Gio/s || 950 Mo/s | | USB 3.1 || USB 3.2 Gen 2 || 10 Gbit/s = 1.25 Go/s = 1.16 Gio/s || 950 Mo/s | ||
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| USB 3.0 || USB 3.2 Gen 1 || 5 Gbit/s = 625 Mo/s = 596 Mio/s || 3.2 Gbit/s = 400 MB/s | | USB 3.0 || USB 3.2 Gen 1 || 5 Gbit/s = 625 Mo/s = 596 Mio/s || 540 Mo/s / 3.2 Gbit/s = 400 MB/s | ||
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Version du 2 août 2020 à 13:37
USB 3.x
| Specification | Name | Transfer speed | Actual transfer speed |
|---|---|---|---|
| USB 3.2 | USB 3.2 Gen 2x2 | 20 Gbit/s = 2.5 Go/s = 2.33 Gio/s | |
| USB 3.1 | USB 3.2 Gen 2 | 10 Gbit/s = 1.25 Go/s = 1.16 Gio/s | 950 Mo/s |
| USB 3.0 | USB 3.2 Gen 1 | 5 Gbit/s = 625 Mo/s = 596 Mio/s | 540 Mo/s / 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 |
