USB Hubs allow multiplication of ports off a single USB port. Because of USB's tiered-star (hierarchical) topology, USB cannot be daisy chained. The only way to connect multiple USB devices either in succession or to a single USB port is to deploy a USB hub.
SupersSpeed USB 3.0 Hubs provide full USB SuperSpeed capabilities for up to 2.5Gbps of the 5Gbps maximum transfer rates for high performance USB 3.0 peripherals. SuperSpeed USB 3.0 addresses several of the major USB 2.0 shortcomings including a major speed upgrade, a switch to modern 8B/10B encoding, and boosting the previous anemic power output up to 900mA.
One of the most versatile bus standards ever devised, USB 2.0 is an important addition to any computer. USB 2.0 provides up to 480Mbps performance and is backward compatible with previous versions of USB. USB 2.0 allows connections of up to 127 devices, is "hot pluggable," and easy to use. The vast majority of today's USB hubs are USB 2.0 compliant, offering USB 2.0's high-speed (480Mbps) capability. When choosing a USB 2.0 hub, look for units that come with a power supply. While most USB 2.0 devices don't draw too much current, un-powered hubs with a typical 300mA per port are usually insufficient for most application. USB 2.0 hubs that can provide up to 500mA for most of its ports are much more useful for a wider range of devices.
Thirteen Port Hi-Speed USB 2.0 Hubs
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