Abstract: A modular equipment chassis for an electronic equipment rack is disclosed. The modular equipment chassis can include a first top support, a first bottom support, a first side member, a second side member, and a first guide rail. The first side member can be coupled to a first end of each of the first top support and the first bottom support. The second side member can be coupled to an opposite second end of each of the first top support and the first bottom support. The first guide rail can be coupled with at least one of the first top support and the first bottom support at one or more of the mount locations, and the first guide rail can be configured to receive and retain at least a portion of a first electronic appliance mount.