USB Port: 2 x USB 3.0 ports for external storage (one USB flash drive is supported at any one time), Console Port: 1 x RJ-45, Reset Button: 1 x Factory Reset, NAT Throughput: 9 Gbps, IPsec VPN Performance: 3 Gbps, SSL VPN Performance: 1.3 Gbps, NAT Sessions: 1,000,000, Max. Concurrent VPN Tunnels: 500, Max. Concurrent OpenVPN + SSL VPN: 200, IPv4: PPPoE, DHCP, Static IP, IPv6: PPP, DHCPv6, Static IPv6, TSPC, AICCU, 6rd, 6in4 Static Tunnel, Load Balancing: IP-based, Session-based, WAN Active on Demand: Link Failure, Traffic Threshold, Connection Detection: ARP, PPP, Ping, VLAN: 802.1q Tag-based, Port-based.