hmmm, why flash ? The one you pointed us is a very very slow one.
Instead of this a "normal" micro- ( or nano-) USB-stick ist faster and most probably cheaper,
( German language pages, but technical data should be understood by anybody
OK, connected to the Audya ( USB 1.1
) they all are fast enough, but when you connect it to a pc youŽll "feel" the speed-difference