ShineStar Mini SATA mSATA SSD Adapter for 2012 MacBook Pro Retina A1398 A1425 Adapter Allows user to read or write mSATA SSD as SSD in 2012 macbook Pro Laptop Fits the following models of Apple 2012 MACBOOK PRO laptop and IMAC: A1398 A1425 MC975 MC976 Support 3 sizes mSATA SSD: 3x2.6cm,3x5cm ,3x7cm Plug and play,no need drivers Size is same as 2012 pro SSD: 89x32.5mms