The Fortinet FortiGate FG-400D (part number FG-400D-BDL-USG) is a 1U rack-mountable security appliance designed for mid-market network perimeter defense. It features eight RJ45 Gigabit Ethernet ports (10/100/1000Base-T) plus SFP slots supporting 1000Base-X connectivity, enabling flexible deployment in hybrid copper and fiber environments. The FG-400D delivers stateful firewall inspection, VPN termination, and threat prevention across multiple WAN and LAN connections with throughput suitable for organizations running 100–500 user networks. Typical applications include branch office consolidation, data center edge security, and distributed enterprise environments requiring integrated routing and security policies. Compatible with Fortinet's management ecosystem and security fabric architecture for centralized control across multi-site deployments. Tested and guaranteed; available via quote.