Adaptive card and motherboard having the same

An adaptive card, adapted to a motherboard with a connecting slot, the adaptive card comprising:

• a main body, including a first surface, a second surface, a side edge and an opening;
• a first connector, configured on the first surface, and the first connector is a M.2 connector for connecting to a first M.2 device;
• a second connector, configured on the second surface;
• a plurality of first fixing holes, formed on the first surface and arranged along a direction corresponding to an insertion direction of the first connector for fixing the first M.2 device;
• a plurality of second fixing holes, formed on the second surface and arranged along a direction corresponding to an insertion direction of the second connector;
• and
• a port, configured on the side edge and configured to be connected to the connecting slot, wherein at least a part of the first M.2 device is exposed through the opening, and the opening is configured to cool the first M.2 device by allowing airflow to pass therethrough.