Connector

The utility model discloses a connector which is provided with an exterior and a base structure of a Slimline SATA (serial advanced technology attachment) connector and a plurality of terminal groups which are used for transmitting a PCIe (peripheral component interface express) signal, wherein the terminal groups used for transmitting the PCIe signal comprises a high-speed signal transmitting pin, a low-speed signal transmitting pin and a power supply signal transmitting pin; the power supply signal transmitting pin is only matched with a pin which is used for transmitting a SATA signal to adapt to other devices according with the SATA transport protocol; the power supply signal transmitting pin is also only matched with a pin which is used for transmitting the PCIe signal to adapt to other devices according with the PCIe Gen2 transport protocol; and the low-speed signal transmitting pin of the terminal groups which is used for transmitting the PCIe signal can comprise an auxiliary power supply pin. The conn