5X 10/100MBPS PORTS, IEEE 802.3, IEEE 802.3U, IEEE 802.3X, FANLESS, 10/100MBPS AT HALF DUPLEX, 20/200MBPS AT FULL DUPLEX, AUTO-NEGOTIATION, AUTO-MDI/MDIX (SWITCH MERCUSYS MS-105 5-PORT 5/10/100)