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USB 3.0: What You Need To Know

in-house feature

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On January 3, 2010, 3:05 PM EST

The Universal Serial Bus standard has come a long way since its introduction in 1996. Backed by a consortium of companies led by Intel, Compaq and Microsoft, it offered some unheard-of features for its time, including the ability to connect peripherals without turning off the computer first and to draw power without a separate AC connection. The standard became popular with the arrival of version 1.1 in late 1998, allowing a maximum transfer rate of 12Mb/s, and as we can witness nowadays just about any device comes standard with 'Hi-Speed' USB 2.0 connectivity.


USB 3.0 is the next major revision of the ubiquitous interface. Dubbed SuperSpeed USB, this new version promises a tenfold leap forward in transfer speeds as well as improved capabilities, all while maintaining compatibility with USB 2.0 devices. In the following few paragraphs we've rounded out all the relevant information that you as a consumer should know about the next-generation USB standard.

Read the complete article.

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User Comments (27)

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Guest
on August 11, 2011
5:18 AM

They do speed tests on External hard drives equipped with USB 3?

3 Refer a USB 3.0 HDD.

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Guest
on November 11, 2011
1:30 PM

I see a few cooments in here I'm confused about?

1. DarkCobra said USB 3.0 is 3GB transfer? Searches tell me USB 3.0 promises a theoretical maximum rate of 5Gbps. If DarkCobra is right Big with 3 GB (using a big B meaning Bytes) over the stated 5 Giga bits per second that would be sweet however incorrect in both cases.

2. DarkCobra said, Light Peak Technology" (fiber optic connection wires) will more than likely replace 3.0. Huh, interesting but Dark, can you tell me how practical fiber would be to a home user? Since fiber optices cable core is made of glass and can break fairly easy i do not think this would ever replace twisted pair cable for attaching devices for the basic home user. In a corporate where wire stationary hard drives yes but for my passport never!

3. JudaZ, lol, if FireWire is better why is Apple going from Firewire to USB 3.0? 1 reason not only is USB 3.0 faster, firewire can not provide power to devices like my WD passport the needs power to run supplied through the USB, So you have fun with your left behing firewire.

I'm curious about e-sata. faster then USB 2.0 but then USB 3.0 came out and is faster than e-sata. Is e-sata going to advance or though great new tech it's in the past already?

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