Things you need to know about the new USB port version 3.0
In general, USB 3.0 promises the following:
- Higher transfer rates (up to 4.8 Gbps)
- Increased maximum bus power and increased device current draw to better accommodate power-hungry devices
- New power management features
- Full-duplex data transfers and support for new transfer types
- New connectors and cables for higher speed
- Backwards compatible with USB 2.0 devices and computers
Is USB 2.0 isn’t fast enough to get the job done?
Well, yes and no. USB 2.0 for many applications provides sufficient bandwidth for a variety of devices and hubs to be connected to one host computer. However, with today’s ever increasing demands placed on data transfers with high-definition video content, terrabyte storage devices, high megapixel count digital cameras, and multi-gigabyte mobile phones and portable media players, 480Mbps is not really fast anymore. Furthermore, no USB 2.0 connection could ever come close to the 480Mbps theoretical maximum throughput, making data transfer at around 320 Mbps – the actual real-world maximum. Similarly, USB 3.0 connections will never achieve 4.8 Gbps, but even 50% of that in practice is almost a 10x improvement over USB 2.0.
Operating System Support?
So far only Microsoft confirms that their new Windows 7 will support USB 3.0 using some patches.
Logo: (certified hardware will have this sticker)
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