1. Classification by size: According to the size of the chassis, the chassis can be divided into ultra-thin, half-height, 3/4-height and full-height chassis.
2. Classification by appearance: Chassis can be divided into vertical chassis and horizontal chassis.
3. According to the structure, chassis can be divided into AT, ATX, MicroATX, NLT and other types. At present, ATX machines are mainly on the market.