Server and mounting cage

A mounting cage, configured to be fixed to a chassis side plate via a first guide pillar, the mounting cage comprising:

• a bearing base, comprising a bearing base bottom plate and two bearing base side plates, the two bearing base side plates standing on the bearing base bottom plate and spaced apart from each other, one of the two bearing base side plates comprising a first guide slot and a second guide slot that are spaced apart from each other, the first guide pillar configured to be slidably disposed in the first guide slot;
• a second guide pillar, slidably disposed in the second guide slot;
• a handle, pivotally connected to the one of the two bearing base side plates and comprising an engagement hole, the first guide pillar configured to be engaged in the engagement hole;
• a slider, fixed to the second guide pillar;
• and
• a linkage, two opposite ends of the linkage respectively pivotally connected to the handle and the slider.