What's with and sata port conflicts?

2_1 slot as originally it was showing In BIOS: My BIOS is up-to date AHCI mode is selected Table of my Motherboard According to below

SATA transfers data one bit at a time between a drive and its host, using a seven-pin data cable and 15-pin drive power connector cable The SATA cable results

sata m2 slot This is a SATA adapter from Socket This module allows you connect any SATA device to slot through a standard SATA port SATA interface

sata 3 slot Matrix 32 Channel Enterprise NVR with 8 SATA Port has 12 MP Resolution Recording, Inbuilt VMS with all required Licenses, 144TB Storage & Ultra HD