USB 2.0 vs USB 3.0

USB 3.0, the latest version of USB (Universal Serial Bus), provides better speed and more efficient power management than USB 2.0. USB 3.0 is backward compatible with USB 2.0 devices; however, data transfer speeds are limited to USB 2.0 levels when these devices inter-operate.

1014-3

Comparison chart

  USB 2.0 USB 3.0
  1014-4 1014-5
Released April 2000 November 2008
Speed High Speed or HS, 480 Mbps (Megabits per second) 10 times faster than USB 2.0. Super Speed or SS, 4.8 Gbps (Giga bits per second)
Signaling Method Polling mechanism i.e can either send or receive data (Half duplex) Asynchronous mechanism i.e. can send and receive data simultaneously (Full duplex)
Price For a similar product, the USB 2.0 version is generally less expensive than it’s USB 3.0 version. For a similar product, the USB 3.0 version is generally more expensive than it’s USB 2.0 version.
Power Usage Up to 500 mA Up to 900 mA. Allows better power efficiency with less power for idle states. Can power more devices from one hub.
Number of wires within the cable 4 9
Standard-A Connectors Grey in color Blue in color
Standard-B Connectors Smaller in size Extra space for more wires
Max Cable length 5 meters 3 meters

Author: sales@hystou.com

Hystou Technology Co Limited is a reliable manufacturer and exporter of fanless Mini PC, industrial PC, all in one PC and industrial panel PC. Our products are exported to the EU, America, Asia, etc., and have enjoyed a great reputation in the whole world market. In order to supply quality products and excellent services, our company has got approvable reports and certificates of CE, FCC, RoHS, SGS, ISO9001 and so on. Our goal is "Innovation First, Quality First, Customer First, Service First". We are committed to providing quality products, excellent services, competitive prices, quick responses and prompt delivery. Warmly welcome every customer to visit us, and hope we both sides could create a brilliant future with our efforts. OEM and ODM orders are welcomed.