US Patent 10331181 Expansion card holder

An expansion card holder for fixing an expansion card on a circuit board is provided. A connector is arranged on the circuit board and an end of the expansion card is coupled with the connector. The expansion card holder includes a carrier plate, a positioning buckle and a pressing block. The carrier plate is fixed on the circuit board, and multiple position holes arranged in a row are defined on the carrier plate. The positioning buckle is inserted in one of the position holes and engaged with the circuit board. The pressing block is inserted in another one of the position holes and engaged with the expansion card. The expansion card holder is thereby compatible with various sizes of expansion cards.