The 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   Features:   - 5 Gigabit Auto-Negotiation RJ45 ports Supports Auto MDI / MDIX - Green Ethernet technology saves the power up to 85% - IEEE 802.3x flow control provides reliable data transfer - Plastic case desktop or wall-mounting design - Plug and play no configuration required   Specifications:   - Interface: 5 10/100/1000Mbps RJ45 Ports AUTO Negotiation/AUTO MDI/MDIX - Fan Quantity: Fanless - Power Consumption: Maximum: 3W (220V/50Hz) - External Power Supply: External Power Adapter (Output: 9VDC / 0.6A) - Dimensions ( W x D x H ): 140 x 88 x 23 mm