2.5inch SATA 22Pin to 2010 2011 2012 Mac Air Pro Retina SSD 12+6Pin 17+7Pin A1425 A1398 MC975 MC976 Case Enclosure

The 12+6pin and 17+7pin SSD can't work at same time. You need use the switch to convert it.

SATA to MAC Storage adapter, providing one 7+15pin connector on the host connection and two 12+6pin 17+7pin connector on the SSD storage devices connections. When assembled, it can operate in a variety of operating systems.

About the disk format: MAC format SSD only can be read at MAC-OS, You can format it as FAT/NTFS at "Disk Management" for Windows OS.

Can work for all 12+6pin and 17+7pin SSD.(from 2011 to 2013 early MAC SSD)

The SSD not include at the package.