Power supply structure for desktop computer comprising a casing, a power supply, a power adapting device, and a motherboard power supply wire

Discloses is a power supply structure for a desktop computer, the motherboard of which has a motherboard power input port. The power supply structure comprises a casing, a power supply, a power adapting device, and a motherboard power supply wire. The casing has an inner space and a bearing plate arranged in the inner space. The inner space is divided into a motherboard mounting side and a back side by using the bearing plate as a base. The bearing plate provides setting of the motherboard and is provided with a first perforation close to the motherboard power input port. The power supply is arranged in the casing. The power adapting device is arranged in the casing and located on the back side and comprises a power input port connected to the power supply and a motherboard power supply port passing through the first perforation. The motherboard power supply wire is connected to the mainboard power supply port and the mainboard power input port.