Sata5~8, Sata_A1& Sata_B1: Sata 6Gb/S Connectors; M2_1~2: M.2 Slot (Key M) - MSI PRO B660M-A CEC WIFI DDR4 V2 User Manual

SATA5~8, SATA_A1& SATA_B1: SATA 6Gb/s Connectors
These connectors are SATA 6Gb/s interface ports. Each connector can connect to one
SATA device.
⚠
Important
SATA7 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.
∙
Please do not fold the SATA cable at a 90-degree angle. Data loss may result
∙
during transmission otherwise.
∙ SATA cables have identical plugs on either sides of the cable. However, it is
recommended that the flat connector be connected to the motherboard for space
saving purposes.

M2_1~2: M.2 Slot (Key M)

Please install the M.2 solid-state drive (SSD) into the M.2 slot as shown below.
(Optional)
16
Overview of Components
SATA_B1
SATA_A1
1
SATA6
SATA5
SATA8
SATA7
2
30º 30º
3