The application provides a baffle, an
expansion card containing the baffle and an electronic device. The
expansion card is suitable for a case of the electronic device and includes a circuit board and the baffle. The baffle includes a baffle part and an assembling part. The baffle part is fixed to the circuit board. The assembling part is detachably clamped to the baffle part and is suitable for being combined with the case, so that the
expansion card is assembled to the electronic device through the assembling part.