This hub works perfectly with devices like printer, keyboard, mouse, etc (these can be run without adapter). This device is not meant for high speed data transfer.
To get a good speed for data transfer, you need to use, 5v/2a or 5v/1a converter adapter. It is no included with this package.
Supports up to 500 gb hdd/ssd and more when connected with an external power source
supports up to 480 mbps data transfer rate and is ideal for alleviating desktop clutter
as usb 2.0) , half-transparent design with blue led for power