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Speed Boost With Third Generation USB (USB 3.0)

November 20th, 2008 Posted in Misc

After 3 years effort, Intel finally released USB 3.0 Controller Interface Spec aka xHCI (Extensible Host Controller Interface).

From USB 1.1 with maximum transfer rate of 12Mbits/second to USB 2.0 with maximum transfer rate of 40 Mbits/second. Now USB 3.0 has break the gigabit mark with 4.8Gbit/second. Even faster than firewire 3.2Gbit/s.

USB 1.1 12 Mbits/second
USB 2.0 40 Mbits/second
USB 3.0 4.8 Gbits/second

The performance compare with USB1.0, 2.0 and 3.0 has been demo by WinHEC

Comparison sample for data transfer of 25GB HD movie:

  • USB 1.0: 9.3 hours
  • USB 2.0: 13.9 minutes
  • USB 3.0: 70 seconds


It’s fascinating, you can now transfer Gigabyte files within a few seconds .. :)

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This entry was posted on Thursday, November 20th, 2008 at 4:13 PM and is filed under Misc. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
  • now a days really more and more advance, like UTP cable also same, up to category 7 and category 8, even fiber optic also have a very fast transmission rate
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