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Literally just returned a Dell WD19TB. Supposedly it was certified to work with MacBook Pro and tested with a 16in 2020 Intel and 2021 MacBook Pro Max. Neither worked and dock would shutdown after only 5 minutes if I was lucky.

For Macs I would only use the suggested docs from Apple (CalDigit/OWC etc).

CalDigit Element hub is exceptional.

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I have a Dell WD19TB too and it works great with the MacBook Pro M1 Pro. I have 2 monitors connected (a 1440p@240Hz and a 1080p@60Hz), keyboard, mouse, a Elgato video capture card and ethernet. The 1080p monitor gave some trouble though, I had to connect it to the usb-c port on the dock that supports daisy chaining.

The dock also works out of the box with the iPad Pro M1 (with some caveats, only the 1440p monitor outputs video, didn't try to use the Elgato card) and with my Dell Latitude running Ubuntu.

Could not ever get the up-to-date TB16 to do power delivery correctly to anything (HP Zbook/various Asus/Lenovo Yoga 7) except a Dell laptop. The led on the USB-C connector stays off. The power - if delivered - stays very low and the laptop takes from its battery.

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