USB 3.0 - The Next Generation Universal Serial Bus Article

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USB 3.0 - The Next Generation Universal Serial Bus

Its main feature is high-transfer rate, up to 4.8 Gbps, suitable for delivering high-definition video content or connecting to a terabyte storage device.

Author: Andrew Lang

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Engineered by a consortium of companies including Intel, USB 3.0 (also called SuperSpeed USB) is the improved and next-generation version of today’s Universal Serial Bus, version 2 (USB 2.0). USB 3.0 fulfills the demand of today’s connectivity between a computer and peripheral devices. In order to take advantage of this high-speed capability, however, new cables should be used between a computer and peripheral devices.

In addition to a high transfer rate, USB 3.0 is very power efficient. It incorporates a power management feature, allowing the host computer and the peripheral device to conserve power when idle. Another salient feature of USB 3.0 is that it is capable of providing additional power to power-hungry devices, e.g., 150 mA to an unconfigured device or 900 mA to a configured device.
USB 3.0 is characterized by new physical connections; using an additional physical bus consisting of four wires. These wires carry differential signals (both receive and transmit) for higher throughput, in addition to the four wires already provided (power, ground, and a pair for differential data) for USB 2.0. However, the design for this new adapter has retained the same rectangular shape – as used in USB 2.0 - for the connector, so USB 3.0 is fully backward compatible with USB 2.0. The high throughput of USB 3.0 is achieved with the help of a bi-directional data interface. For signaling, USB 3.0 uses an asynchronous method instead of polling.
The potential application for USB 3.0 is high-bandwidth devices. These include external hard drives, high resolution webcams, video surveillance cameras, multi-channel audio interfaces and Blu-Ray drives.

About us:
Circuit Assembly is a manufacturer of connectors, cable assemblies, and adapters. Circuit Assembly eStore sells cable assemblies and connectors directly to the consumer at a price they wouldn’t be able to find at a retail store or even other ecommerce websites. By purchasing direct from the manufacturer, the customer gets an incredible value, as well as the assurance that our reputation for perfect quality and customer service rests upon every individual product we sell.

About Author

Andrew Lang is the marketing manager for Circuit Assembly eStore. Andrew works in a variety of areas for Circuit Assembly. This includes the full spectrum of product development and marketing, beginning at product conception, continuing with engineering, and ending with marketing strategies.

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