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I'm interested in the actual real-word throughput attainable with an external 1000BaseT USB 2.0 network card under Linux. I have been able to attain 90 megabytes per second on a PCI-E interface, but the USB 2.0 bus has a theoretical limit of 480Mbit/s, and in practice less than 40 megabytes per second.
Is the actual throughput attainable with such a card under linux 40, 30, 20, or even as low as 10 megabytes per second, eg. no better than a normal 100BaseT network card?
1i'd expect your throughput will bottleneck at the USB bus, so you'll never even approach practical Gig-E limitations. – quack quixote – 2010-04-02T11:38:25.310
1Thanks, I am aware of that. The question is how fast will it go - it's clear that the performance is at most something like 30%-40% of Gig-E, but it is important for me to know how much less. – Nakedible – 2010-04-02T12:17:10.240