Thursday, November 10, 2011
USB 3.0: Everything You Need to Know
http://itexpertvoice.com/home/usb-3-0-everything-you-need-to-know/
* USB 3.0 can draw 50% more power than USB 2.0
* Light Peack (from Intel) can transmit data upto 50mts. USB tops out at 5 mts, and that's pushing it.
* Light Peak (Thunderbolt(TM)) can transmit 10Gb/Sec bidirectionally twice that of USB 3.0
* Check whether Operating System supports USB 3.0 because Win 7 did not support on its launch did not come with USB 3.0 support.
* If you take a closer look at a USB 3.0 cable you'll see that one edge of the plug is colored blue. The end that plugs into your USB 3.0 drive, scanner, printer, or camera, however, is not the compatible with a USB 2.0 device. So, while you can plug a USB 2.0 device with a USB 2.0 cable into a USB 3.0 port or a USB 3.0 device with a USB 3.0 cable into a USB 2.0 port, you can't use a USB 3.0 cable to connect a USB 2.0 device. Got that?
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A comment by frantaylor said:
USB 3.0 is dead in the water
For latency there is no improvement over USB 2.0
For throughput there is no improvement over SATA
There is no application for USB 3.0 that cannot be served identically by an existing technology.
Thunderbolt however, offers improvements all around, both in latency and throughput.
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