Negative Positive
Title: Good for adding firewire, not so great for USB.
Review: I bought this to add some USB ports to my laptop after one of the two onboard ports broke and shorted out.This adapter requires 1 USB port for additional power. Included is a power cable that plugs into both a USB port, and the power connector on the side of this unit.What this means is that you'll effectively be gaining only one USB port.It works without using the power cable, which is a nice remedy but it emits a high pitched ringing sound when something is plugged into it. I managed to run my thumb drive on it, but it got louder when it was reading or writing data. Sometimes my thumb drive didn't get enough power and it would malfunction and get too hot to touch. It never broke anything though.After about 5 months of using it this way, it died, and I wasn't sad to see it go (I was sad about that twenty bucks, though).I guess I should've bought a hub instead.
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