The AX61622 is a 6U-high rackmount chassis. It can accommodate a 20-slot backplane. The easy-to-replace feature of fan filter operates by hand and without any apparatus. Owing to the wide capacity, the chassis can support a total of four systems accordingly. More other selections of hot-swap redundant power supply can be chose, such as 300W AT/ATX, 400W ATX and 460W ATX power modules, upon the system requirement.