Supe part. Unusually rapid detection of infected devices. Good power supply. Worth mentioning that would be you can upload smartphones etc. even if the PC is off, only without blue status light. (Took me a bit confused at first) is intended only for traffic the bulb.
So why only 4 stars? It is as well as in other recession mentioned totally wrong USB cable (A to A, is used A to B) in, bringing the hub can not be connected to PC. See Image.