1. Connect electrical appliances with different voltages and provide corresponding power supply.
2. Connect electrical appliances with different functions to transmit information to each other.
3. Receive external data and process it to other equipment.
4. Centralize the data processed by internal equipment and transfer it to the outside world.
5. Balance the data, energy, speed, temperature, current, etc. in the computer.
Board attached to CPU motherboard
Installing desktop CPU motherboard