Startechcom adjustable depth shelves startechcom adjshelfhdv this adjustable heavy duty vented rackmount shelf from startechcom can be used to add an adjustable shelf to most standard 19in server racks or cabinets for storing large non rackmount pieces of equipment heavy tools or peripherals the shelf can be adjusted from 195in to 38in mounting depth to fit your rack constructed using 1mm spcc commercial grade cold rolled steel it can hold up to 113kg of equipment startechcom adjsh