Rosewill RHB-330 7-Port USB 2.0 Hub with Power Adapter for $9.99 Shipped
Rosewill RHB-330 7-Port USB 2.0 Hub with Power Adapter for $9.99 shipped after this $5 rebate. Here is a screenshot for reference. It supports a switch to turn on/off 5 ports to disconnect the USB devices directly and includes a power adapter.