Mercusys MS105G Desktop Switch 5x10/100/1000 5x 10/100/1000Mbps ports, IEEE 802.3, IEEE 802.3u, IEEE 802.3x CSMA/CD, Fanless, 10/100/1000 Mbps at Half Duplex, 20/200/2000 Mbps at Full Duplex, auto-negotiation, auto-MDI/MDIX, LED