Premium features, high productivity The 23.8-inch ThinkCentre M920z all-in-one (AIO) is a powerful productivity solution that saves you time and space. This enterprise AIO makes light work of tough tasks, thanks to the latest Intel® Core™ processors and plenty of DDR4 memory. And its extreme security features, MIL-SPEC-tested reliability, and easy manageability make it an ideal choice for any business environment.