Dell Small Business offers the Kensington SD120 Notebook Docking Station, model no. K33949US, for $29.99. With free shipping, that’s the lowest total price we could find by $20. Sales tax is added where applicable. This station provides additional Ethernet, audio, and USB 2.0 ports. One of the USB ports is “always on” allowing you to charge or power devices even when your laptop is not connected.

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