Fortinet FortiGate FG-900G Network Security/Firewall Appliance - Email Security - 16 Port - 1000Base-X, 10GBase-X, 1000Base-T - 25 Gigabit Ethernet - 20.50 GB/s Firewall Throughput - SHA-256, AES (256-bit), TLS 1.3, SSL, RSA 2048-bit - 10000 VPN - 16 Total Expansion Slots - 1U - Rack-mountable: