Used Linksys 8-Port Workstation Hub. Taken from a school gone wireless.
Very easy to use and set up. Works great!
Includes the ac power supply. Product Features and Technical Details Product Features

• True 10/100 Auto-Sensing ports (dual speed per port)
• Internal store-and-forward switching for effective traffic reduction
• Pro-grade hub with 100BaseTX RJ-45 ports
• Each port automatically adjusts to either 10 Mbps or 100 Mbps speeds
• Mix and match 10BaseT and 100BaseTX hardware together

Technical Details

• Topology: Star
• Standard: IEEE 802.3 and IEEE 802.3u
• Frame types: Transparent
• Protocol: CSMA/CD
• Speed: 10 Mbps or 100 Mbps
• Power: 90 to 250 volts AC, 50 to 60 Hz autoselect
• EMI: FCC Class A- and CE-certified
• LED indicators: Power and Collision, plus Link/Activity and Speed Per Port
• Dimensions: 11 by 6.25 by 2.1 inches
• Weight: 2 pounds