Designed as an addition for the AX1000 to provide extra storage, cooling, and/or power for whatever your use case may be. Capable of mounting two ATX PSUs up to 220mm in length, 560mm DIY radiators, sixteen 2.5 /3.5 drives, or up to nine 120mm/140mm fans. Mountable to the bottom of the chassis to function as a pedestal to raise the chassis further from the ground.