Yeah, are you using a usb 2.0 to ethernet adapter? There are some generic usb 3.0 ethernet adapters that have verified to be working with the switch, and they do take advantage of the 3.0 speed-boost. (3.1 gen 1 is what they're calling it now, but I'm still gonna call it 3.0)
On what basis do you believe that the 3.0 speeds are active on the back port of the Switch? As far as I know it's still USB 2.0. Even if it was 3.0 that shouldn't matter. USB 2.0 won't bottleneck your connection speed unless maybe you have a beast fiber connection. The USB 3.0 gigabit LAN adapter I have that only manages 35 down on the Switch gets 122 down connected to my laptop via USB 2.0. The same as every other wired device on my network.
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Believe what you want. I had the same problem, then switched to another one and now I'm getting a smooth 100+ mbps via lan with my switch.
And you know what? Go look for help elsewhere. You attacked me personally, while I was only trying to help you.
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That result is somewhat irrelevant without knowing what other devices get for speed test results on your network.
It seems like you were damage controlling for Nintendo rather than trying to help him. He shouldn't have to buy another LAN adapter when there is nothing wrong with the one he has. Besides, people who have adapters with the same chipset as the official one (pretty sure mine does) are still having problems so there more to it then getting a LAN adapter that the Switch likes. Maybe it's your specific router/adapter combo with your settings that gave you better results. Sometime Rarely, the speed test gives me a result of 90+ Mbps. I could keep doing the speed test and screenshot it. Then I could tell people that they just need to buy the right adapter.
Last edited by DocAmes1980,
, Reason: added "somewhat" before irrelevant