The disclosure is related to an interface card module which is configured to be inserted into a PCIe slot on a motherboard and to be inserted with a cable electrically connected to a function chip. The interface card module includes an adapter card and a function card. The adapter card includes a mainboard, a first PCIe male connector, a socket and at least one cable connector. The first PCIe male connector, the socket and the cable connector are respectively disposed on different sides of the mainboard. The first PCIe male connector is configured to be inserted into the PCIe slot on the motherboard. The at least one cable connector is inserted with the cable. The function card has a second PCIe male connector configured to be inserted into the socket of the adapter card. In addition, the disclosure is also related to an adapter card.