Riser extension module based on mini PCIE (Peripheral Component Interface Express)

The utility model relates to the field of military rack type server RISER extension modules, in particular to a riser extension module based on miniPCIE (Peripheral Component Interface Express). The riser expansion module based on the mini PCIE comprises a main board, and a PCIEX8 slot and an I/O expansion mini PCIE interface are fixedly installed on the upper side of the main board. The PCIE X4 golden finger and the PCIE X8 golden finger are mounted on the lower side of the main board; the power supply chip is electrically installed on the right side of the top of the upper surface of the main board, and the position, close to the power supply chip, of the main board is electrically connected with a PCIEX8 connector; the PCIE-to-USB chip is electrically mounted at the lower middle position of the upper surface of the mainboard; and the output unit is electrically mounted on one side, far away from the power supply chip, of the mainboard. According to the utility model, the EEPROM and the I2C chip are subject