Shorts for “All in One.” is a computer form factor that combines a system unit and a display unit into a single package. Some AIO computers also have a built-in PSU inside the base.

Surface Studio, Studio Studio 2, and Surface Studio 2+ are the perfect examples of an AIO computer or Surface AIO. iMac and iMac Pro are AIO computers from Apple counterparts.

Surface Studio vs iMac

AIO Computers (Surface Studio vs iMac)