Sun StorEdge(TM) L8500 2N Redundant Power Supply for 49-64 drives. Must also order/have SG-XL8500-1RDP and SG-XL8500-2RDP and SG-XL8500-3RDP AND one (1) of the following redundant library power suppies (SG-XL8500-R1PR, SG-XL8500-R3PD,SG-XL8500-R3PW, SG-XL
