ASA5585-FAN= ASA 5585-X Spare Fan Module
ASA 5545-X with SW, 8GE Data, 1GE Mgmt, DC, DES Part Number:ASA5545-DC-K8
ASA 5525-X with SW, 8GE Data, 1GE Mgmt, AC, DES Part Number:ASA5525-K8
ASA 5585 Slot Divider for Half-slot IO Modules Part Number:ASA5585-SEPTUM=
ASA 5585-X Chassis with SSP20, 8GE, 2SFP,2GE Mgt, 1 AC, DES ASA5585-S20-K8 Part Number:ASA5585-S20-K8
ASA 5585-X Chassis with SSP40,6GE,4SFP+,2GE Mgt,1 AC,DES Part Number:ASA5585-S40-K8