Picked a never used one up for $75 off of eBay. Good deal. This gives you 5 ports, both in and out. Plugs into your PC via USB - no wall wart needed. This works great for the my old MU80 which has two ports. Fits in nicely with my Motu ultralite - same styling.

I use one racked next to an audio express. Cool thing is they an be racked side by side or stacked in a special half rack mount. The ebay option is good but unless the seller is an authorized dealer it might not include a full warranty.
 
The micro lite is USB powered which means no ON/OFF switch. If it's powered by a hub that's always on then it is always on. Fortunately my hub is plugged into a power strip with it's own switch.