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Anyone Daisy chaining more than one eGPU on a Mac?  

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benek
(@benek)
Active Member
Joined: 11 months ago
Posts: 13
January 6, 2019 9:26 pm  

Just wondered whether anyone has had success with daisy chaining multiple eGPUs on a Mac?

I recently got an Akitio Node Pro which has two TB3 ports so allows daisy chaining… I read a post over at the CGtalk forum in which someone says they managed to daisy chain multiple Node Pros to their Mac Book Pro… I tried connecting a Sonnet Breakaway to my Akitio Node Pro, but the Mac just crashes when I switch on the Sonnet box…

The Node Pro is the one connected to the Mac, the Sonnet is connected to the Node Pro
Both contain a 1080 Ti…
I'm using the macOS-epgu script…
Everything works fine if I connect both boxes directly individual TB3 ports on the iMac Pro…

Whilst it's not entirely necessary for me to daisy chain these two devices, it would be good to know whether it's actually possible for future expandability. Maybe it would work if both boxes were Akitio Node Pros; who knows…

Thanks

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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theitsage
(@itsage)
Famed Member Admin
Joined: 2 years ago
Posts: 3681
January 6, 2019 9:50 pm  

It's possible to daisy chain eGPUs but the combination of cards may crash the system as you experienced. I found AMD eGPU in front of the chain to be working. I got four eGPUs going by have two AMD eGPUs in front and the two Nvidia eGPUs daisy chained to those.

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benek
(@benek)
Active Member
Joined: 11 months ago
Posts: 13
January 6, 2019 10:10 pm  

OK, that's good to know…

Both of mine are Nvidia 1080Tis … 

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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