The WS-3X™ Wide Shelf is a 30″-wide (76.2 cm) plate attachment with the most shelf surface area available to fully support servers with side-structural frames across their entire width. It supports up to 500 lbs (227 kg) at the center and 300 lbs (136 kg) at the extended side edge. The WS-3X™ is compatible with all ServerLIFT® data center lifts.