This is a SATA adapter from M.2 Socket.
This module allows you connect any SATA device to M.2 slot through a standard SATA port.
SATA interface supports standard SATA 7pin data signals.
Specifications
Standard SATA interface adapter from M.2 Socket 2 slot for SATA SSD
Compliant with PCIe 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)
Interface : Standard SATA 7pin Connector
Compliant with Serial ATA Revision 3.1

Micro SATA Cables PN # M2-845-SATA