The MMR-2G-5U is a rack-mount adaptor for the latest Mac Mini with spaces for 8 Mini’s. This fixed shelf also has available power button adaptors for each mini that allows for the power to be accessed from the front. A unique plate on the rear of the unit allows cabling to be wound and secured to keep wiring from becoming cluttered and difficult to work around. Each unit also includes a plate that mounts in the 5th U space to secure the minis within the rack. This plate is available with optional USB Ports installed.