Caldigit Element Hub and Aorus gaming boxes
 
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DrEGPU
(@dregpu)
Estimable Member
Joined: 3 years ago
 

I was lucky enough to grab a Aorus Gaming box 3090 and thought I'd try running it at the same time as my older AGB 2070. I got the Caldigit TB4 Elements Hub, thinking that would do the trick. Alas, the aorus gaming boxes all seem to want to be the first device in the chain. I'm not sure how the element hub is wired so it's possible there's something up with that. I'd appareciate any advice anyone has, otherwise this is just a FYI post.  

2019 Mac Pro (RP580X) [10th,16C,W] + RTX 3090 @ 32Gbps-TB3 (Razer Core X) + Win10 20H2 [build link]  

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itsage
(@itsage)
Founder Admin
Joined: 4 years ago
 

@dregpu, Which host machine are you connecting to?

 

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2020 13" MacBook Pro [10th,4C,G] + RX 6700 XT @ 32Gbps-TB3 (CM MasterCase EG200) + Win10 1903 [build link]  


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joevt
(@joevt)
Noble Member
Joined: 4 years ago
 

The CalDigit Element Hub uses the Goshen Ridge Thunderbolt 4 peripheral controller for one upstream and three downstream Thunderbolt 4 ports. The Goshen Ridge has a single USB port connected to a four port USB 10 Gbps hub for USB functionality of the three downstream Thunderbolt ports. The fourth port of the hub connects another four port USB 10 Gbps hub for the four USB-A ports.

Does Boot Camp on a Mac Pro 2019 let a Thunderbolt 4 hub connected to a Thunderbolt 3 Mac host controller work properly? I need to reinstall Windows to test that on my Mac mini 2018.

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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DrEGPU
(@dregpu)
Estimable Member
Joined: 3 years ago
 

Sorry, it's a Dell XPS 13 9360. I know it's only a 2x PCie lane laptop, but I don't feel like that's the issue. Could be wrong though. 

2019 Mac Pro (RP580X) [10th,16C,W] + RTX 3090 @ 32Gbps-TB3 (Razer Core X) + Win10 20H2 [build link]  

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DrEGPU
(@dregpu)
Estimable Member
Joined: 3 years ago
 

@joevt Did you ever test that? I can try testing the element hub on my Mac Pro running Win10 in Bootcamp tomorrow or the next day. Although, other than plugging my eGPU's in, I'm not sure how to really test this.  

2019 Mac Pro (RP580X) [10th,16C,W] + RTX 3090 @ 32Gbps-TB3 (Razer Core X) + Win10 20H2 [build link]  

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joevt
(@joevt)
Noble Member
Joined: 4 years ago
 

@dregpu, I haven't gotten around to reinstalling Windows.

To test the hub, you need to connect any Thunderbolt device to the hub. If that works, then there's no reason a GPU shouldn't work (except Nvidia drivers?).

Macs allow GPUs to be chained (they don't need to be first in the chain - I think @itsage has done tests of that). Is that true with Windows? I remember it was true at some point (Thunderbolt software shows an error message?) - I don't remember if that was changed.

 

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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DrEGPU
(@dregpu)
Estimable Member
Joined: 3 years ago
 

On my 2019 Mac Pro 7,1 the Caldigit Elements hub can "see" the 2 eGPU's but they both have code 12 errors. I tried the hackflags to no avail. At least they're detected though?

2019 Mac Pro (RP580X) [10th,16C,W] + RTX 3090 @ 32Gbps-TB3 (Razer Core X) + Win10 20H2 [build link]  

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joevt
(@joevt)
Noble Member
Joined: 4 years ago
 

@dregpu, yes, at least they're detected. Is this behaviour on the Mac Pro different than the Dell? Can the Dell detect the eGPUs connected to the Element Hub? Do you have any other Thunderbolt devices to test the Element Hub?

I believe the point of this experiment is to get more than one eGPU working with the Dell, which is limited by a single Thunderbolt port? The Dell supports either eGPU when connected by itself?

The Mac Pro has multiple Thunderbolt ports so you can connect multiple eGPUs directly - but does multiple eGPUs work in Windows on the Mac Pro?

I don't think I can help solve the problem but it would be nice to know what does and doesn't work.

 

 

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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DrEGPU
(@dregpu)
Estimable Member
Joined: 3 years ago
 

Yes, the Mac Pro is able to more or less detect and connect the eGPUs on the Mac Pro, presumably with Apple’s thunderbolt expertise.  On the Dell, the boxes complain about not being #1 on the TB chain. This using the elements hub on both.

The eGPUs work just fine in Bootcamp on the Mac Pro, even if they’re on the same TB3 controller, ie both on the back or both on the top. 

The Dell can handle each eGPU by itself but the elements hub doesn’t allow them both simultaneously. At least not for me. 

2019 Mac Pro (RP580X) [10th,16C,W] + RTX 3090 @ 32Gbps-TB3 (Razer Core X) + Win10 20H2 [build link]  

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