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4.
Repeat step 3 to install other adapter cards for your XCubeNAS.
5.
For thunderbolt 3 adapter card only, connect the cable from the adapter card to the
mainboard.
Align the connectors. Please make sure that the position is the same as the figure
shown below.
Push to connect the cable and the connectors.
6.
Put back the rear top cover you lifted in step 2.
Align the pin at the side of the rear top cover with the slots on the chassis’ edge, and
push the rear top cover back in position.
Put back and fasten the screw on the back of the XCubeNAS.