Key Benefits " Designed for Fusion rackmount storage systems and xMac mini Server " Includes necessary hardware (rail and screws) to mount storage systems and xMac mini Server into server racks Rack Slide Set Sonnet's Rack Slide Set allows you to easily install and mount a Fusion rackmount storage system or xMac mini Server into a server rack configuration. Package Contents " Rack slide set (for 23-26.5" chassis) " Mounting hardware and screws