I recently purchased a base 27" 2013 iMac with the 1TB HDD only. Is it possible to connect an external SSD via USB 3.0 and use it like a Fusion drive? Can I boot and run OS X off of it? I already have a Samsung SSD, I just need some soft of enclosure. I found this one on Amazon: http://www.amazon.com/Anker®-Uspeed...665950&sr=8-1&keywords=external+ssd+enclosure Would I be able to do this? Is it possible? Can someone point me in the right direction? Thanks.