BASEQI FBA_iSDA504ASV aluminum microSD Adapter works with MacBook Pro 15" Retina (Late 2013 onwards) will ONLY FIT The MacBook Pro Retina 15" (Late 2013 onwards) Support Macbook's Time Machine. Use aluminum material and each one is CNC precision machining. Completely hidden and fits snugly into your MacBook's SD card slot. Simple & Easy to adding storage space, Add up to 256GB of extra space.