Gen.1 6I12 Pins Gen.2 7I17 Pins Gen.3&4 12I16 Pins Gen.5 22|34 Pins SATA III 6 Gb/s SATA III 6 Gb/s AHCI, PCI x2&x4 PCIe x4 MacBook Air 2010L/2011M 11″&13″ (A1369,A1370) MacBook Air 2012 11″ & 13″ (A1465, A1466) MacBook Pro 2012L 13″ & 15″ (A1425, A1398) iMac 2012L 2013E 21″ & 27″ (A1418, A1419)…