JacobsParts 5V 4A 20W Power Adapter for USB Hubs 5.5mm x 2.1mm - $6.02 - JacobsParts Inc
ELEGIANT Powered USB Hub 3.0, 8/10 Port 5Gbps USB Data Hub, 1 USB Smart Charging Port, USB Splitter with Individual On/Off Switch and 5V/4A Power Adapter, Usb Hub for Laptop, PC, Computer -