These SSDs use an mSATA interface with a proprietary 7+17 pin Apple connector.
The connector is the same type used in the MacBook Air laptops of this era, but the MBPr SSDs are shorter and wider, and the drives are not interchangeable.
Original Apple SSDs offer guaranteed support for macOS and Windows Bootcamp, and come TRIM enabled.
Can be used for Fusion Drive setup or as a secondary drive.
APN : 661-6486, 661-7009, 661-7284, 661-7519, 661-7520.
PPN : 655-1738, 655-1794, 655-1800, MZ-DPC256T, SD5SL2-256G-1205E.
Tech Specs -
Capacity: 256GB
Controller: S4LJ204X01, Marvell 88SS9174
Connector: Proprietary Apple (7+17 Pin)
Interface: mSATA
Protocol: AHCI
TRIM Support: Yes
Compatibility -
MacBook Pro 13" Retina A1425
MacBookPro10,2 Retina Late 2012: MD212LL/A(2.5 GHz i5 or 2.9 GHz i7)
MacBookPro10,2 Retina Late 2012: MD213LL/A(2.5 GHz i5 or 2.9 GHz i7)
MacBookPro10,2 Early 2013: ME662LL/A (2.6 GHz Core i5)
MacBookPro10,2 Early 2013: ME662LL/A (3.0 GHz Core i7)
MacBook Pro 15" Retina A1398
MacBookPro10,1 Retina Mid 2012: MC975LL/A (2.3 Core i7)
MacBookPro10,1 Retina Mid 2012: MC976LL/A (2.6 Core i7)
MacBookPro10,1 Retina Mid 2012: MD831LL/A (2.7 Core i7)
MacBookPro10,1 Early 2013: ME664LL/A (2.4 Core i7)
MacBookPro10,1 Early 2013: ME665LL/A (2.7 Core i7)
MacBookPro10,1 Early 2013: ME665LL/A (2.8 Core i7)