Review on VEMONT 7-Port USB Hub 3.0 with Individual On/Off Switches, LED Light, and 4ft/1.2m Long Cable - USB Splitter Extension for Laptop and PC Computer by Lance Harrison

Disappointed that no power adapter is included, I hate that the text is at the bottom and not directly in the description. If you want to connect this to your computer then a power source is required otherwise your hard drives or flash drives will be damaged as other people have mentioned. I really liked the small design and had to drill under the table, but I need a power source to avoid problems. If you just want to use it to charge your devices then that's fine, but not for an iMac computer hub to share data.