StarTech.com 4-Port USB 3.0 SuperSpeed Hub with Power Adapter - Portable Multiport USB-A Dock IT Pro - USB Port Expansion Hub for PC|Mac (ST4300USB3) - hub - 4 ports

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Add four external SuperSpeed USB 3.0 ports from a single USB connection. The ST4300USB3EU 4-Port SuperSpeed USB 3.0 hub allows you to add 4 additional USB 3.0 ports from a single USB 3.0 connection to the host computer system.
Backward compatible with USB 2.0 and USB 1.x standards, this USB 3.0 hub still supports older USB devices and can also be used as a hub on older systems that do not have USB 3.0 ports.
With the capability to mix and match USB 3.0/2.0/1.x devices and be used with or without the included external power adapter, this hub offers the best of versatility and portability.