Voir la source de Usb

[[Category:Matériel]]
= USB 3.x =
{| class="wikitable wtp" 
! 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 || 950 Mo/s
|-
| USB 3.1 || USB 3.2 Gen 2 || 10 Gbit/s = 1.25 Go/s = 1.16 Gio/s || 540 Mo/s
|-
| 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 2.0 =
* High Speed: 480 Mbit/s → 60 Mo/s<br>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: {{boxx|gnome-disks}} (paquet {{boxx|gnome-disk-utility}})

{| class="wikitable wtp"
| Name || USB || Read (Mo/s) || Write (Mo/s) || Access time (ms)|| Operating temperature (°C) || Capacity (GB)
|-
| [https://www.sandisk.com/home/usb-flash/ultra-fit-usb SanDisk Ultra Fit] || 3.0 || 150 || 45 || || 0 - 45 !overheating! || 64
|-
| [https://www.sandisk.com/home/mobile-device-storage/ultra-dual-usb-drive-3 SanDisk Ultra Dual] || 3.0 + micro-USB || 130 || 9 || || 0 - 45 || 16
|-
| Kingston DataTraveler || 3.0 || 185 || 6 || 0.78 || || 128
|-
| [http://www.toshiba-memory.com/cms/en/products/usb-sticks/usb3/transmemory-usb3.html Toshiba TransMemory U302] || 3.0 || 115 || 6 || || 0 - 50 || 16
|-
| [https://www.kingston.com/en/usb-flash-drives/datatraveler-micro Kingston DataTraveler micro] || 3.1 || 117 || 2.6 || 0.88 || || 128
|-
| [https://www.sandisk.com/home/usb-flash/cruzer-blade SanDisk Cruzer Blade] || 2.0 || 27 || 6.5 || || 0 - 45
|}

{| class="wikitable wtp"
| || [https://www.sandisk.com/home/usb-flash/ultra-fit-usb SanDisk Ultra Fit]
| [https://www.sandisk.com/home/mobile-device-storage/ultra-dual-usb-drive-3 SanDisk Ultra Dual]
| [http://www.toshiba-memory.com/cms/en/products/usb-sticks/usb3/transmemory-usb3.html Toshiba TransMemory U302]
| [https://www.sandisk.com/home/usb-flash/cruzer-blade 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
|}