Is the USB 2.0 port of the eee PC 701 (the original) limited to 20MB/s in some way?
In practice, most USB 2.0 memory sticks give around 20MB/s, even though the spec allows for much higher (around 500MB/s IIRC).
USB 3.0 memory sticks of course give higher performance in a USB 3.0 - but...