usb

USB 3.0 offers speeds 10 times faster than USB 2.0. USb 3.0 technology will enable data transfers at 4.8 gbit/s. USB 3.0 is backwards-compatible with USB 2.0 and even USB 1.1.  USB 3.0 wiring will be optical which will enable higher data transfer speeds. 

If you make documents and then have to copy it on a another computer, a flash drive is a good gadget for you. They come is all sorts of sizes, shapes, color, and capacities. The most popular is a 1 GB drive.