three-in-one socket

The utility model discloses a three-in-one socket, which comprises a metal casing, slots and a fixed base, wherein the metal casing is coated on the outer walls of the slots, the slots can surround a holding space, the fixed base is extended out of the enclosed back end of the holding space, one side wall of the fixed base is provided with an eSATA terminal group, and the side wall of the fixed base is provided with a first USB terminal group and a second USB terminal group corresponding to the eSATA terminal group. The socket can arrange the terminals fitting the eSATA protocol, the terminals fitting USB2.0 protocol and the terminals fitting USB3.0 protocol together, can share connector plugs of three protocols, is convenient for digital products to adopt sockets with high data transmission speed, and provides conditions for the minute extension of the digital products.