The Samsung 830 should work great. It's the Samsung SSD Apple is currently shipping. I can confirm this is what I received in a Mac Mini server (Late 2012). Note, however, Apple uses their own firmware with the drive. Here's a good article about the Samsung drive in the retina MacBook pro: http://www.anandtech.com/show/6005/apple...-new-ssd-its-fast As for the dual drive upgrade, it is time consuming and has challenging parts, but is definitely achievable. Go slow and be mindful. I highly recommend reading the comments people have left on the guide.