Transcend 64GB JetDrive Lite 330 Storage Expansion Card for 13-Inch MacBook Pro with Retina Display (TS64GJDL330) 64GB (MLC) Storage Expansion Card for MacBook Max Read: 95MB/s, Max Write: 60MB/s For MacBook Pro with Retina display 13" (Late 2012 - Early 2015) Compatibility with Mac OS X 10.11 El Capitan is currently under verification