SMA-M390-K9 Cisco M Series M390 6 x Ports 10/100/1000Base-T 1U Rack-mountable Managed Gigabit Ethernet Network Security Firewall Appliance

The SMA‑M390‑K9 is a Cisco M Series M390 managed network security appliance designed for 1‑U rack deployment. It features six integrated 10/100/1000Base‑T Ethernet ports, enabling high‑speed, full‑duplex connectivity for small to medium‑sized networks. As a managed firewall, the device delivers packet filtering, traffic inspection, and policy enforcement while remaining fully configurable through Cisco’s management interface. Its compact form factor and single‑U height make it ideal for space‑constrained data‑center or enterprise environments that require robust security without sacrificing rack space. The appliance combines Cisco’s proven reliability with streamlined deployment and ongoing management capabilities.