December 2, 2008 9:08 PM
I certainly didn't do any benchmarks using the TouchSmart, but I've always found the performance of drives connected via Firewire to feel a bit peppier than over USB, particularly during situations when you're reading and writing simultaneously. That being said, sustained transfers (reading or writing a big file and nothing else) via USB and IEEE-1394 have always seemed about the same to me. Most technical reviewers out there give Firewire the edge (and the benchmarks usually back up their conclusions) for external storage performance, and while I won't argue with them, I'm not sure I could say which was which in a blind test.
On the full speed/high speed question, I believe the answer is both. It supports USB 1.1 12Mbps and USB 2.0 480Mbps devices.
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