The MiniDrive | 128gb | For MacBook Pro | Flash Memory Expansion Module Adds 128GB of extra flash storage space to your MacBook Pro. Read-Speed upto 90MB/sec, Write-Speed upto 60MB/sec. 100% Flush: Sits in the SD slot seamlessly. Fits: MacBook Pro 13'' Mid 2009+ | MacBook Pro 15'' Mid 2009+ | MacBook Pro 17'' Mid 2012+ | (non-Retina only) Shipped in non-retail OEM packaging.