Mercusys MS108 Desktop Switch 8x10/100 127 x 60.3 x 22 mm, Interfaces 8 10/100Mbps ports, auto-negotiation, auto-MDI/MDIX, External Power Supply External power adapter, (Output: 5.0VDC / 0.6A), Standards and Protocols, IEEE 802.3, IEEE 802.3u, IEEE 802.3x