| Part number | Description |
|---|---|
| SSG-320M-SB | Secure Services Gateway 320 System, Base Memory (512MB), 3 PIM Slots, AC Power Supply, ScreenOS, 19″ Rack Mount |
| SSG-320M-SH | Secure Services Gateway 320 System, High Memory (1GB), 3 PIM Slots, AC Power Supply, ScreenOS, 19″ Rack Mount |
