ZYXEL ZyWALL USG FLEX 500 Network Security/Firewall Appliance - Intrusion Prevention - 7 Port - 10/100/1000Base-T, 1000Base-X - Gigabit Ethernet - 2.25 Gbit/s Firewall Throughput - SSL, DES, 3DES, AES (256-bit), MD5, SHA-1, SHA-2 256-bit, TLS 1.3 - 7 x RJ-45 - 1 Total Expansion Slots - Rack-mountable: