... 5520-K8 2.with Software, 300 VPN Peers, 4 GE + 1FE, DES 2.Original & brand new 3.Competitive ... ASA 5520 Appliance with Software, 300 VPN Peers, 4 GE + 1FE, DESProduct Type:VPN ApplianceNumber of Expansion Slots:2Ethernet ... mountableNumber of Ports:5 Dimensions:1.8" Height x 17.5" Width x 14.3" DepthFirewall Protection:Antivirus,Anti ... Appliance with Software, 300 VPN Peers, 4 GE + 1FE, DES ASA 5520-K8