686665-001Redundant Power Supply (RPS) cage - Mounts in the left rear of the chassis - For redundant enablement option upgraded servers only
686753-0028-bay SAS/SATA small form-factor (SFF) hot-plug hard drive cage - Mounts in the front center of the chassis (box 1) and as an option in the front bottom of the chassis (box 2) - Does not includes the backplane board
784636-001Two-bay AC RPS power supply cage assembly - Includes two-bay power supply cage with integrated backplane assembly - For use with 800W/900W AC power hot-plug supply modules only - Two power supply modules used for redundant power configurations
792352-001Drive cage hot plug 5U assembly - For use with eight small form factor (SFF) drives - Includes backplane
830022-001Two-bay AC/240VDC RPS power supply cage assembly - Includes two-bay power supply cage with integrated backplane assembly - For use with 900W AC/240VDC power hot-plug supply modules only - Two power supply modules used for redundant power configurations