when I purchased the Ivy almost two days ago I also asked the cashier at Microcenter to give me a simple USB3.0 16GB stick.
She gave me their brand. 14 bucks, and here is how it performs:
(move along, nothing to see here)
and here is the same USB DOk, under USB3.0 + the Asus USB3 boost:
get them and not the more expansive ones