Abstract: A computer system has a liquid cooling system with a main portion, a cold plate, and a closed fluid line extending between the main portion and the cold plate. The cold plate has an internal liquid chamber fluidly connected to the closed fluid line. The computer system also has a hot swappable computing module that is removably connectable with the cold plate. The cold plate and computing module are configured to maintain the closed fluid line between the main portion and the cold plate when the computing module is being connected to or removed from the cold plate.

Abstract: A computer server rack has a platform, configured to support at least one server, with a front end and an opposed back end. The server rack also has a height adjuster coupled to the platform, and a control positioned a first distance from the front end and a second distance from the back end. The first distance is smaller than the second distance, and the control is configured to control the height adjuster to change a height of the back end of the platform.