Answer:
USB flash
Explanation:
A USB flash drive refers to a small portable device that stores more information and is faster than a CD or floppy disk. Besides, it is rewriteable and does not tend to fail like an optical disc or hard drive, since it is more resistant to throbbing and shaking. As a consequence, Rodney can easily carry his files in a small, portable high capacity storage system which he can transport in his backpack without losing his laptop.