USB 2.0 flash drives started out has hulking great products before getting ever smaller, and now it is the turn of USB 3.0 to tread the same path. The I-O Data U3-CPSL Flash Drive is the smallest 3.0 unit we have seen yet, so small in fact that it is about the size of a thumbnail, while its memory capacity comes in 8GB and 16GB versions. This small funky USB drive comes in a variety of different colours and will move your data at nippy 3.0 speeds.