Intelligent Programmable Industrial USB 2.0 Hub (4 Port)

Intelligent USB hub w/ 2 host connections & 4 fast-charge device connections. Switch & control data, power & current limits separately. Boost USB signals in tough environments.

Quick Review: Cheap Unbranded 4-port USB 3.0 Hub from

奥睿科官网

Switched USB Expansion Hubs

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USB Control Hub – Pegasus Astro

At just under the size of a Post-it Note, the Targus Super Mini USB 2.0 4-Port Hub is one of the smallest hubs in the Targus product mix. With its distinctive aluminum industrial appearance, this USB 2.0 hub boasts four USB ports and a high-speed transfer rate of up to 480Mbps. There's no need to carry around extra power adapters with this unique hub - simply plug the included y-cable into your notebook or desktop and you're ready to start transferring data!.

Targus ACH63US Super Mini USB 2.0 4-Port Hub

SuperSync15 - Cambrionix 15 Port USB 3.0 Industrial Hub

Programmable Industrial USB 2.0 Hub, 4 Port, 2 Host, 15KV ESD, Software Control, Fast Charge, Measure Current, Over-Current Protection, DIN Rail

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Programmable USB Hub