24-pin power connector: Must be connected to power, otherwise it not operate. 2*CPU 8-pin/2*GPU 8-pin power connectors: At least two of the four power connectors must be connected, but more than two or full connections are allowed. The two power connectors can be mixed and matched. 4*SFF8654-8i connectors: Two connectors are connected in a group, one for each V100 graphics card. Each group has a full bandwidth of x16, and each group has a bandwidth of x8. AT/MT DIP Switch: MT - Manual Mode: Controls the baseboard power-up via the ON/OFF DIP switch. AT - Automatic Mode: The baseboard starts up when the motherboard powers on; The baseboard shuts down when the motherboard powers off. ON/OFF DIP Switch: Active in MT/Manual Mode, controlling the baseboard: Startup - ON; Shutdown - OFF. In AT/Automatic Mode, the ON/OFF DIP switch is inactive. Color:Black Material:PCB Package Contents: 1 * baseplate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.