22-port usb 2.0 hub w/ ac adapter,

special for bitcoin litecoin mining

DP-UH222 2U USB2.0 HUB 22-port Surpport USB2.0 data transfer,can also charge for the smartphone，Tablet PC,IPAD ETC.Input 220V(110V need to order),total current output is 20~40A.Each port current can be above 0.5~1A,has over Voltage and current protecting funtion.

Powered USB 2.0 Hub with enough ports to connect up to 22 USB devices and with lightning fast 480Mbps transfer speeds. This USB hub allows you to power the hub either directly from a computer or from an AC/DC socket. So in addition to connecting multiple USB devices to your computer, you can also recharge devices such as digital cameras, MP4 players and cellphones wherever there is a wall power socket. This is also very useful for connecting devices that require a certain amount of power to operate such as one-cable removable HDDs. This top grade powered USB 2.0 hub features automatic over-current protection for each port, hot swapping plug and play connection.