From memory...

In v1.0, USB speed is about 300Kb/s. Ethernet speed is about 450Kb/s.

Peter put a lot of effort into the protocol in v2.0 (it was called v1.1 back then). Bulk ethernet transfers to the player should now get about 700Kb/s. USB is unchanged.

Download from the player is unaffected by the extra work.
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-- roger