Fortinet FortiGate FG-4400F-DC Network Security/Firewall Appliance - Email Security - 40GBase-X, 10GBase-X, 1000Base-X, 100GBase-X - 100 Gigabit Ethernet - 143.75 GB/s Firewall Throughput - TLS 1.3, SHA-256, SSL, AES (256-bit) - 30000 VPN - 32 Total Expansion Slots - 4U - Rack-mountable: