The FS‑5003B is a Fortinet FortiSwitch 5000 Series networking blade designed for integration with FortiGate firewall appliances, offering a compact, high‑density solution for enterprise and data‑center environments. It features eight 10 GbE SFP+ fabric slots that provide fast, fiber‑based uplink capacity, complemented by two 1 GbE RJ45 ports for copper connectivity, enabling flexible network topologies and seamless inter‑blade communication. Built to the FortiSwitch architecture, the module delivers reliable, low‑latency switching while aligning with Fortinet’s security framework, making it suitable for organizations seeking scalable, blade‑form factor networking that supports both fiber and copper interfaces.