US Patent 7572141 Expansion card socket

An expansion card socket used to fix an expansion card includes a main body and a latching member. The main body includes a fixing portion defining a slot for fixing the expansion card, and a clamping portion perpendicularly extending from an end of the fixing portion. The latching member is fixed to the clamping portion. A guiding portion extends from a surface of the latching member and gradually tapers to an edge in a direction away from the fixing portion of the main body, and the guiding portion is configured for guiding airflow to dissipate heat from the expansion card.