StarTech.com Adjustable Depth Shelves - StarTech.com ADJSHELF, This rackmount shelf with adjustable mounting depth from StarTech.com offers a simple way to effectively organise computer hardware in your server racks and cabinets. Compatible with all 19in server racks/cabinets, the fixed rack shelf can be adjusted from 19in to 38in mount depth as necessary. Its sturdy cold-rolled steel construction provides long term durability and enables a weight capacity of up to 80kg. It is backed by a 2-year warranty. StarTech.com ADJSHELF Adjusable Depth Universal Fixed Rack Shelf