I came across this old post and wonder how is it possible for such a USB/RJ45 to deliver a 1Gps bandwidth while the USB2 specs can only max out @480Mbps. It really puzzles me. Anyone?
Thanks for posting with your question!
In short, you’re right, the gigabit adapter’s performance will max out at USB’s lower bandwidth maximum.
That said, for many customers who have only a 10/100 adapter built into their laptop, or in cases where systems don’t have a built in ethernet port, connecting via a USB ethernet adapter can provide real-world performance gains when compared to using WiFi or slower 10/100 adapters.
If you have USB 3.0 available, our USB3-E1000 can provide real-world performance approaching 1Gb/sec:
I hope that helps clarify, please let me know of any other questions.
MCITP Enterprise Support Technician