This USB 2.0 cable allows you to connect USB devices such as Printer, HDD with your Computer for data transfer, and provides Hi-Speed, 480 megabit per second data transfer rates. USB 3.0 cable is 10 times faster data transfer rates than USB 2.0(max 5 Gbps), and requires applicable PC and connecting equipment in use. When ordering, please specify the devices (Printer etc.) you will connect with PC, type of connection and USB 2.0 or 3.0.