Mac Studio Ethernet issue with native port

I have been connecting my M1 MacBook Pro to an Ethernet cable using one of the Apple/Belkin USB-C to Gigabit Ethernet Adapters. It works great.

My Mac Ultra Studio showed up yesterday. I unplug the cable from the adapter and into my Studio's native ethernet port: disaster. Fully 50% of a ping's packets are being dropped.

I unplug the ethernet cable from the native port, plug it back into the USB-C adapter I have been using with my MacBook Pro, only this time I plug the USB-C end into one of the Studio's USB-C ports. It works great and no ping packets are being dropped.

What is going on with the native Ethernet port on my Studio? I tried setting the speed manually to 1G but have the same results. Thanks for your help!

Mac Studio

Posted on Apr 10, 2022 8:17 AM

Top-ranking reply

dwisehart Author

Level 1

23 points

Posted on Apr 15, 2022 6:19 AM

Well, after several hours of troubleshooting, running tests for Apple support and having their backline engineers look over the results, they called me back today and told me to return the Studio Ultra for a refund before the 14-day window was done.

The expected wait time to receive a replacement is 8 weeks. I asked if I could keep the computer with the broken native Ethernet port until the replacement arrived--because I had the workaround of using the 1G USB-C adapter--but they said I could not. The service I received was very good, but I would recommend they change this policy as I think it would have served us both well to let me keep the broken unit until a new one arrives.

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Mac Studio Ethernet issue with native port

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