TP-Link 5 Port Gigabit desktop switch TL-SG1005D provides you an easy way to make the transition to Gigabit Ethernet. Increase the speed of your network server and backbone connections, or make Gigabit to the desktop a reality. Moreover, TL-SG1005D adopts lower power consumption design. With the innovative energy efficient technology, the TL-SG1005D can save up to 70 percent of the power consumption, making it an eco friendly solution for your home or office network. Product Features : 5 Gigabit Auto Negotiation RJ45 ports, Supports Auto MDI / MDIX Green Ethernet technology saves the power up to 85 percent IEEE 802.3x flow control provides reliable data transfer Plastic case, desktop or wall mounting design Plug and play, no configuration required Specifications : External Power Supply : 100 to 240VAC, 50/60Hz Interface : 5 10/100/1000Mbps RJ45 Ports, AUTO Negotiation/AUTO MDI/MDIX Fan Quantity : Fanless Power Consumption Maximum : 3W Transmission Method : Store and Forward Advanced Functions : Green Technology, saving power up to 85 percent, 802.3X Flow Control, Back Pressure System Requirements : Microsoft Windows 98SE, NT, 2000, XP, Vista or Windows 8/7, MAC OS, NetWare, UNIX or Linux Dimensions : 5.5 x 3.5 x 0.9 Inch