Fan assembly

A fan assembly, comprising:

• a fan frame, comprising a frame body and a first peripheral protruding plate and having an air inlet and an air outlet, wherein the first peripheral protruding plate protrudes from a side of the frame body and forms an air channel together with the frame body, the first peripheral protruding plate is configured to reduce a noise made by the fan assembly, the air inlet is located at a side of the first peripheral protruding plate located farthest away from the frame body, the air outlet is located at a side of the frame body located farthest away from the first peripheral protruding plate, and the air inlet is in fluid communication with the air outlet via the air channel;
• and
• an impeller, rotatably disposed on the frame body and located in the air channel;
• wherein, a protruding height of the first peripheral protruding plate relative to the frame body ranges from 50 to 100 percent of an overall axial thickness of the impeller.