Mounting device for expansion card

A mounting device comprising:

• a chassis comprising a rear plate, a side plate connected to the rear plate, and a bracket located on the rear plate, the bracket comprising a top wall and a mounting piece;
• and
• a mounting member comprising a pressing plate, a mounting plate, a positioning portion extending from a first end of the mounting plate, and an elastically deformable mounting portion extending from a second end of the mounting plate, a first end of the mounting plate being opposite to the second end of the mounting plate;
• wherein the mounting piece defines a mounting hole;
• the mounting piece is substantially parallel to the side plate and perpendicular to the pressing plate, and the mounting member is located between the side plate and the mounting piece;
• the positioning portion is secured to the side plate;
• the elastically deformable mounting portion is engaged in the mounting hole;
• the pressing plate and the top wall are configured for sandwiching a mounting tab of an expansion card;
• and the mounting plate is elastically deformable away from the pressing plate to press the pressing plate towards the top wall.