RackSolution's Heavy Duty Sliding Rack Mount Shelf allows servers, desktops and tower computers to be rack mounted in 4 Post or 2 Post 19" racks. The equipment is secured to the shelf with front and rear braces. If additional security is required, there are 1" nylon straps and anti-slip mats available. Features include a space saving mounting tray, high quality ball-bearing slide rails, cable management, and universal rack compatibility.This Heavy Duty Sliding Rack Mount Shelf is designed for servers, desktops, towers, and other equipment less than 17.7" wide and up to 28" in depth. The Heavy Duty Sliding Rack Mount Shelf will easily support equipment up to 110lbs.The Heavy Duty Sliding Rack Mount Shelf is a viable alternative to the OEM Tower to Rack Conversion kits. The Heavy Duty Sliding Shelf will continue to be a valuable Capital Asset long after the original server has been upgraded.