Power supply system for server cabinet

A power supply system for a server cabinet which comprises a plurality of servers, the power supply system comprising:

• a power connecting board, wherein a plurality of sockets, a first electrical connecting portion, a second electrical connecting portion, a first through hole defined in the first electrical connecting portion, and a second through hole defined in the second electrical connecting portion are all arranged on the power connecting board, each socket comprises a first power pin and a first ground pin, each first power pin is connected to the first electrical connecting portion, each first ground pin is connected to the second electrical connecting portion;
• a base, wherein a plurality of power interfaces, a third electrical connecting portion, a fourth electrical connecting portion, a third through hole defined in the third electrical connecting portion, and a fourth through hole defined in the fourth electrical connecting portion are all arranged on the base, each power interface comprises a second power pin and a second ground pin, each second power pin is connected to the third electrical connecting portion, each second ground pin is connected to the fourth electrical connecting portion;
• a plurality of power supplies arranged on the base, wherein an output terminal of each of the plurality of power supplies is connected to one of the plurality of power interfaces;
• a first connecting element;
• and
• a second connecting element;
• wherein the base is electrically connected to the power connecting board when first connecting element engaging in the first and third through holes, and the second connecting element engaging in the second and fourth through holes, to electrically connect the first and third electrical connecting portions and electrically connect the second and fourth electrical connecting portions.