8 × Gigabit PoE ports, 1 × Gigabit RJ45 port, 1 × Gigabit SFP fiber optical port IEEE 802.3at/af standard IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, and IEEE 802.3z standard 6 KV surge protection for PoE ports PoE power management Gigabit network access Wire-speed forwarding and non-blocking design Store-and-forward switching Solid high-strength metal shell Reliable fan-free design"