Tripp Lite SR25UB 25U Rack Enclosure Server Cabinet Doors and Sides 3000lb Capacity SmartRack enclosures are designed for secure, high density server and networking applications in IT environments. 25U Smart Rack enclosure with doors and side panels Adjustable mounting rails with easy-view depth index and toolless mounting slots for PDUs and vertical cable managers Locking, removable, reversible front and rear doors Weight rating of 3000 lb stationary and 2250 lb rolling