WAN/LAN Switchable Port: 1x 2.5G Ethernet, RJ-45 (PoE capable port for P model), 1x GbE/SFP Combo, 2x GbE, RJ-45 (PoE capable port(P4) for P model) *up to 2 simultaneous WANs, Fixed LAN Port: 2x GbE, RJ-45 (PoE capable ports for P model), USB Port: 1x USB 2.0 + 1x USB 3.0 for storage (since f/w v3.9.6) and USB Thermometer (since f/w v4.3.1), NAT Throughput w/ Hardware Acceleration: 2.2 Gbps, IPsec VPN Performance: 1 Gbps (AES 256 bits), SSL VPN Performance: 800 Mbps, NAT Sessions: 300,000(since f/w v3.9.6, 150,000 with f/w v3.9.3.1 or before), Max. Concurrent VPN Tunnels: 200.