ASA5506H-PWR-AC= ASA 5506H-X AC Power Adaptor Spare
2 GB Memory Upgrade for Cisco ASA 5540 Part Number:ASA5540-MEM-2GB=
2 GB Memory Upgrade for Cisco ASA 5520 Part Number:ASA5520-MEM-2GB=
ASA 5545-X with SW, 8GE Data, 1GE Mgmt, AC, DES Part Number:ASA5545-K8
ASA 5525-X with SW, 8GE Data, 1GE Mgmt, DC, DES Part Number:ASA5525-DC-K8
ASA 5525-X with SW, 8GE Data, 1GE Mgmt, AC, NPE Part Number:ASA5525-K7