5 x 10/100/1000Mbps Auto-Negotiation RJ45 ports supporting Auto-MDI/MDIX IEEE 802.3, IEEE 802.3u, IEEE802.3x, IEEE 802.3ab standard Supports MAC address auto-learning and auto-aging Non-blocking switching architecture enables full wire-speed packets forwarding and filtering Cudy green technology saves the power up to 85% Plug & Play, Desktop design