Simple & Easy to adding storage space, Add up to 1TB of extra space.
Completely hidden and fits snugly into your MacBook's SD card slot.
ONLY FIT The MacBook Pro Retina 15" (Late 2013 - Mid. 2015 ) ; Model Identifier - MacBook Pro 11,2 MacbookPro 11,3 MacbookPro 11,4 MacbookPro 11,5
Support Macbook's Time Machine.
Use aluminum material and each one is CNC precision machining.