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2. USB - Wikipedia

   en.wikipedia.org/wiki/USB

   A variety of USB cables for sale in Hong Kong. The USB 1.1 standard specifies that a standard cable can have a maximum length of 5 meters (16 ft 5 in) with devices operating at full speed (12 Mbit/s), and a maximum length of 3 meters (9 ft 10 in) with devices operating at low speed (1.5 Mbit/s). [88] [89] [90]

3. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   The USB 3.0 standard does not directly specify a maximum cable length, requiring only that all cables meet an electrical specification: for copper cabling with AWG 26 wires the maximum practical length is 3 metres (9 ft 10 in).

4. USB 3.0 - Wikipedia

   en.wikipedia.org/wiki/USB_3.0

   Unlike previous standards, the USB 3.0 standard does not specify a maximum cable length, requiring only that all cables meet an electrical specification: for copper cabling with AWG 26 wires, the maximum practical length is 3 meters (10 ft).

5. USB4 - Wikipedia

   en.wikipedia.org/wiki/USB4

   Cable Type Speed Marketing Names max. USB4 bit rate Exp. max. Cable Length [a] Other Support Power USB2 USB3 TB3 DP USB2 Hi-Speed USB ≤ 4m Yes No No No USB PD: 60W or 100W or 240W Full-Featured passive Gen 1 USB 5Gbps 20 Gbit/s [b] ≤ 2m Yes 5 Gbit/s No Yes [c] Gen 2 USB 20Gbps (USB 10Gbps deprecated) 20 Gbit/s ≤ 1m Yes Yes 20 Gbit/s FF ...

6. USB communications - Wikipedia

   en.wikipedia.org/wiki/USB_communications

   The written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.

7. USB-C - Wikipedia

   en.wikipedia.org/wiki/USB-C

   Every normal USB-C cable must support at least 3 amps of current and up to 20 volts for up to 60 watts of power according to the USB PD specification. Cables are also allowed to support up to 5 A (with 20 V limit up to 100 W of power). Although the 20 V limit for 5 A cables has been deprecated in favor of 50 V.