TP-Link TL-SF1005D 5-Port 10/100Mbps Desktop Switch – 5× 10/100 Mbps RJ45 Ports with Auto Negotiation and Auto MDI/MDIX, Fanless Design, External Power Adapter (5.0V DC / 0.6A), Dimensions 4.1 x 2.8 x 0.9 in (103.5 x 70 x 22 mm), Max Power Consumption 1.87W, Max Heat Dissipation 6.38 BTU/h, Retail Box, 1 year Limited Warranty