Electrical power supply expansion card and computer case

A computer case, comprising an electric power supply expansion card, the electric power supply expansion card comprising a housing and a circuit board, wherein the circuit board is housed in the housing, and the housing is configured to be installed in the computer case;

• the circuit board is provided with at least one peripheral interface, the circuit board is further provided with at least one power source interface, and the at least one power source interface is detachably connected to a power source in the computer case so as to obtain electric power and output electric power via the at least one peripheral interface,
• wherein the at least one power source interface is a 4 pin peripheral connector or a 15 pin connector, the 4 pin peripheral connector or the 15 pin connector is detachably connected to the power source in the computer case through a power line, so that the expansion card obtains electric power;
• the at least one peripheral interface is one or more of a DC port, a TYPE-C port, and a USB-A port,
• the expansion card is further provided with a reset switch, and the reset switch is arranged on the circuit board and located adjacent to a position where the at least one peripheral interface is located and protrudes from a plane of the fixing insertion plate.