8? 10/100/1000 Mbps Ports, Auto-Negotiation, Auto-MDI/MDIX Max 170 m transmission distance with Cat 5e or higher standard cables IEEE 802.3x flow control and 4 Mbit packet buffer prevents packet loss Power saving strategy saves power consumption when ports are idle IGMP for high-efficienct multi-cast transmitting Loop detection blocks loop automatically, improving reliability Desktop and wall-mounting