USB Speeds

Here are current USB speeds for easy comparison.

USB SPEEDS

Speeds are theoretical under ideal conditions.  Real-world speeds vary and are usually slightly less than advertised..

  • USB 1.0   12Mbps or 1.5 MBps
  • USB 2.0   480 Mbps or 60 MBps
  • USB 3.0   5Gbps or 625 MBps
  • USB 3.1   10Gbps or 1.25 GBps
  • USB 3.2    20 Gbps or 2.5GBps

Acronym and Definitions

  • Mbps = Mega bits per second
  • MBps = Mega BYTES per second
  • Gbps = Giga bits per second
  • GBps = Gig BYTES per second
  • One byte = eight bits (1Byte = 8bits)
  • Kilo = Thousand
  • Mega = Million
  • Giga = Billion
  • Tera = Trillion