Cage assembly

A cage assembly, configured to accommodate a riser card and an expansion card mounted on the riser card, comprising:

• a cage body, comprising a rear portion, a first plate portion, a second plate portion, and a third plate portion, wherein the first plate portion, the second plate portion and the third plate portion are respectively connected to different sides of the rear portion, the first plate portion and the second plate portion are respectively located at two opposite sides of the rear portion, the third plate portion is located between and connected to the first plate portion and the second plate portion, the rear portion, the first plate portion, the second plate portion and the third plate portion together form an accommodation space therebetween, the accommodation space is configured to accommodate the riser card and the expansion card, and the first plate portion comprises a vent hole connected to the accommodation space;
• and
• a baffle, located in the accommodation space and pivotably disposed on the cage body;
• wherein the baffle is configured to be pivoted with respect to the cage body so as to adjust an area of an orthogonal projection of the baffle projected on the vent hole;
• wherein the rear portion comprises a guide hole connected to the accommodation space, the guide hole comprises a first end and a second end opposite to each other, the first end of the guide hole is located closer to the first plate portion than the second end of the guide hole, the second end of the guide hole is located close to the third plate portion than the first end of the guide hole, the baffle comprises a plate portion and a neck portion connected to each other, the plate portion is located in the accommodation space and is pivotably disposed on the cage body, and the neck portion is movably located at the guide hole.