StarTech.com 2U Vented Sliding Rack Shelf w/ Cable Management Arm & 27.7 to 31.6in Adjustable Mounting Depth - 110lbs / 50kg - 24in Deep - Add a vented, sliding shelf with integrated cable management into virtually any server rack or cabinet - 2U Vented Sliding Rack Shelf w/ Cable Mgmt Arm & Adjustable Mount Depth - 110lbs / 50kg Capacity Vented Rack Shelf - Sliding Server Rack Shelf