Robert Moskowitz <rgm(a)htt-consult.com> writes:
I suspect that although they are marketed as 16GB, they vary due to
manufacturing quality by a block or so.
The other thing to consider if it is a bargain bin drive is that the
drive might be a counterfeit with mismarked capacity.
http://www.ebay.com/gds/All-About-Fake-Flash-Drives-2013-/100000001775532...
-wolfgang