The Fortinet FortiGate FG-400D is a 1‑U managed firewall designed for high‑performance network security. It features eight 1000Base‑T/1000Base‑X Gigabit Ethernet interfaces, with eight RJ‑45 ports and eight SFP slots for flexible fiber connectivity. The device supports full packet inspection and advanced threat protection while maintaining a compact rack‑mount form factor. Ideal for small to medium‑sized enterprises, the FG‑400D delivers robust security controls, traffic management, and simplified deployment in a single‑row chassis. Its dual‑mode Ethernet ports allow seamless integration with existing infrastructure, providing both copper and fiber options for optimal network design.