How to install Windows 7 on Sapphire Edge HD3 mini PC.
Sapphire Edge HD3 is a great little mini PC with decent power for a great price.
I had a little trouble getting Windows 7 installed. The BIOS will see the front USB 3.0 ports, but they cannot be easily used to install windows. My solution was to connect a USB hub to one of the rear ports and connect keyboard and mouse cables to that hub and use the other port for the USB install media.
You can see a discussion of this at: http://www.sapphireforum.com/showthread.php?28122-How-to-install-Windows-7-Windows-8-on-your-Sapphire-Edge-Mini-PC&p=269225#post269225
My comments are currently at the bottom of the page.