Tripp Lite SR42UB SmartRack Premium Enclosure, Doors/Side Panels, 42-UnitIdeal for secure, high-density, hot/cold aisle configurations. Designed for simplified accessories mounting and baying. Premium features include common-keyed locking, removable front/rear doors and side panels for security and easy access. Generous ventilation capacity meets or exceeds component guidelines. Load capacity of 3,000 pounds stationary or 2,250 pounds rolling. Vendor-neutral square hold/cage nut mounting. Ships fully-assembled on heavy-duty casters for roll-in deployment. Component Type: Enclosure; Component Style: 4-Post; Unit # (Capacity): 42U; Weight Capacity (text): 3000 lbs. stationary/2250 lbs. rolling.