Rosewill RHB-330 7-Port USB 2.0 Hub with Power Adapter for $8.99 Shipped
Rosewill RHB-330 7-Port USB 2.0 Hub with Power Adapter for $8.99 shipped after promo code EMCXWXN68 and this $5 rebate. Here is a screenshot before the $5 rebate for reference. It supports a switch to turn on/off 5 ports to disconnect the USB devices directly and includes a power adapter.