Features: Increased Runtime Simplified Maintenance 2 Year Warranty Size: Rack: 2U (h) x 440mm (w) x 436mm (d) Tower: 440mm (h) x 87mm (w) x 436mm (d) + 1 (NPR-B3300-RT) + 2 (NPR-B3300-RT) 3300 VA 22 min 43 min