ASA5508-SSD++= ASA 5508-X SSD
ASA 5585-X Half Width Blank Slot Cover Part Number:ASA5585-BLANK-H
ASA 5525-X with SW, 8GE Data, 1GE Mgmt, AC, NPE Part Number:ASA5525-K7
ASA 5585-X Chas with SSP60, 6 GE,4 SFP+, 2 GE Mgt,2 AC, DES Part Number:ASA5585-S60-2A-K8
ASA 5585 HalfWidth Blank-Required if only 1 IO module chosen Part Number:ASA5585-BLANK-H=
2 GB Memory Upgrade for Cisco ASA 5540 Part Number:ASA5540-MEM-2GB=