WAN Port: 1x Gigabit Ethernet or 1x 100/1000M Fiber SFP (F model), LAN Port: 4x Gigabit Ethernet, FXS RJ-11: 2 (V model), NAT Throughput: 600 Mbps, NAT Throughput w/ Hardware Acceleration: 940 Mbps, IPsec VPN Performance: 150 Mbps (AES 256 bits), SSL VPN Performance: 100 Mbps, Max. Number of NAT Sessions: 50,000, Max. Concurrent VPN Tunnels: 2, VLAN: 802.1q Tag-based, Port-based, Max. Number of VLAN: 8, Number of LAN Subnet: 4.