Netis ST3105S 5-Port 10/100M Desktop Switch, Auto-negotiation and Plug and Play 5 10/100Mbps Auto-Negotiation RJ45 ports; supports auto MDI/MDIX Green Ethernet technology saves the power up to 70% IEEE 802.3x flow control provides reliable data transfer Plastic case; desktop or wall-mounting design better for home and office use Plug and play; no configuration required