The MiniDrive | 128gb | For MacBook Retina 15" (Pre 2014) | Flash Memory Expansion Module Adds 128GB of extra flash storage space to your MacBook instantly. Read-Speed upto 90MB/sec, Write-Speed upto 60MB/sec. Sits flush and fits securely into the SD slot. Fits: MacBook Retina 15" Mid 2012, or MacBook Retina 15" Early 2013. See image on left to confirm model. For newer 15" Retina models please see our shorter MiniDrives. Shipped in non-retail OEM packaging.