Read this : http://forums.macrumors.com/showthread.p... Get This: http://applecomponents.com/items/carrier-hard-drive-with-flash-storage/0000006001?pn=1&cmp=0231&per_pag... I'm looking for a M.2 SSD compatible with it - going to try this one: http://www.amazon.com/Samsung-850-EVO-3-5-Inch-MZ-N5E250BW/dp/B00TGIVZTW/ref=sr_1_1?ie=UTF...-1&keywords=m2+ssd