The Middle Atlantic SR28-40-32 is a Wide SR Large Pivoting Wall Rack with dimensions 32 3/8" D X 90 3/4” H X 29” W 1. It has a weight capacity of up to 500lb UL load capacity rating and a 335lb Seismic load capacity rating. The rack is designed to pivot open 90° on a floor base for easy access to rear equipment connections, eliminating the need for an aisle behind the rack. It is equipped with the revolutionary Forward rackrail, which allows the use of Forward blank panels, vent panels, and horizontal cable management. The rear rackrail is optional and sold separately. The rack also accepts patented Lever Lock tool-free and hardware-free internal device and cable management system accessories in the center section and the backpan. The installation is made easy with the patented Tool Free Quick-Mount system for center section mounting to the backpan. Additional features include flexible cable entry access, optional slim power accommodation, and various door options (plexi, solid, or vented).