Support MACBOOK Pro with Retina 17+7 PIN A1425 A1398/MC975 MC976 MD212 MD213 ME662 ME664 ME665  Build in 67pin B key M.2 female connector  Connected M.2 NGFF SSD Signal to 17+7 pin MacBook Pro SSD signal port    PCI Express M.2 Specification Revision 0.7, Version 1.0    Support 60mm M.2(NGFF) SSD(30mm,42mm SSD Adapter is optional)  Compatible* with DOS, Windows 3.1, NT4, 98SE, Me, 2000 and XP, Vista, Unix, Linux  Dimension: 88.8mm x 33.0mm