Perfect USB3.0

I bought cheaper one adapter supported only USB 2.0.
A small defect be careful because the connector does not fully holds the record let's insert and avoid moving too, but apart from this slight defect, USB 3.0 works very well, are fast disk access and transfers of very good level.
Hard drive 5400 towers 2 "5 or 7,200 revolutions 2" 5 easily recognized.
Discs 3 "5 are not recognized but this is normal because the port is not enough power to spin the disc 3" 5