ASA5585-PWR-AC= ASA 5585-X Spare AC Power Supply
1 GB Memory Upgrade for Cisco ASA 5510 Part Number:ASA5510-MEM-1GB=
2 GB Memory Upgrade for Cisco ASA 5520 Part Number:ASA5520-MEM-2GB=
ASA 5525-X with SW, 8GE Data, 1GE Mgmt, DC, DES Part Number:ASA5525-DC-K8
ASA 5585 HalfWidth Blank-Required if only 1 IO module chosen Part Number:ASA5585-BLANK-H=
ASA 5585 Rail kit Part Number:ASA5585-RAILS=