The Fortinet FortiGate 400D (part number FG-400D) is a 1U rack-mountable unified threat management firewall designed for mid-market branch offices and distributed enterprises. It provides eight Gigabit Ethernet RJ-45 ports and eight SFP ports for flexible network connectivity and link aggregation. The appliance delivers high-throughput security inspection including stateful firewall, intrusion prevention, antivirus, web filtering, and VPN capabilities. FortiOS firmware supports standard enterprise routing protocols, policy-based routing, and dual-ISP failover configurations. Compatible with Fortinet's security fabric ecosystem and FortiGuard subscription services. Typical deployments include branch office perimeter security, IPsec/SSL VPN termination, and multi-WAN edge protection for organizations requiring robust threat defense without dedicated security staff. This unit is tested and guaranteed, available via quote.