Fortinet FortiGate FG-2500E Network Security/Firewall Appliance - Email Security - 32 Port - 10GBase-X, 1000Base-T - 10 Gigabit Ethernet - 18.75 GB/s Firewall Throughput - TLS 1.3, SHA-256, AES (256-bit), SSL - 30000 VPN - 12 Total Expansion Slots - 2U - Rail-mountable, Rack-mountable: