ST-NGFF1ST SATA HDD to M.2 NGFF socket card allows you to read or write 2.5“SATA HDD/SSD in M.2 B-M Key SATA slot of laptop or desktop. 
It supports M.2 socket 2 with TYPE 2242-D2-B-M of SATA SSD. SATA interface supports standard SATA 7pin data signals.ST5111 is the best solution to evaluate M.2 SATA SSD socket.

Specifications:
Standard SATA interface adapter 
Compliant with SATA M.2 Specification Rev 0.7
Can replace NGFF Size: TYPE 2242,Type 2260,Type 2280
Module Key : B+M (Both Key B and Key M) SATA pinout
Interface : Standard SATA 7pin Connector
Compliant with Serial ATA Revision 3.1