Patent attributes
A connector comprises a daughterboard and a metallic shell. The daughterboard has a first edge with first connection pads and a second edge with second connection pads. The first edge is inserted into an on-board connector including first contacts. The on-board connector is mounted on a motherboard and each of the first connection pads is connected to one of the first contacts. The metallic shell has side plates each facing and extending along one of a front board face and a back board face of the daughterboard. Each of the side plates has a base spaced apart from the front board face or the back board face and a retaining portion protruding inward from the base. The retaining portion retains the front board face or a back board face of the daughterboard and has an opening formed around the retaining portion extending through the metallic shell.