128GB (MLC)</br>Storage Expansion Card for MacBook</br>Max Read: 95MB/s?? Max Write: 60MB/s</br>For MacBook Pro with Retina display 15"(Mid 2012 - Early 2013)</br>Compatibility with Mac OS X 10.11 El Capitan is currently under verification</br>New Update JetDrive Toolbox (v1.14.3)</br></br>Product Description</br></br>JetDriveLite 128GB rMBP 15" 12-E13</br><br/>http://www.amazon.com/gp/product/B00K73NT1Cp