How to know if a motherboard is eGPU-thunderbolt ready ?
 
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How to know if a motherboard is eGPU-thunderbolt ready ?  

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Jean-Pierre Vincent
(@jean-pierre_vincent)
New Member
Joined: 7 months ago
 

Hi there

I'm looking for a certain way to know before buying if a non-laptop motherboard can be attached to an e-gpu.

thanks to this @itsage, I now know there might be preferable to use an M2 connector, but my personal goal here is to re-use my Vega 64 card in the Core-x case. So let's stick to Thunderbolt 3.

Browsing the forum, I see advices like "use Gigabyte X299 because Thunderbolt 3 controller attach directly to the CPU through x4 PCIe lanes (best routing possible)" or working builds with the Asrock X570 Phantom Gaming-ITX motherboard. That's nice but what are the criteria we have to look for in the specification sheet to know it'll work ?

On this forum I've yet to see Asus motherboards quoted as functional with TB3 : is there a reason ? I possess an Asus Prime Z490-A, it does have an internal TB Header, and you can connect the thunderboltex 3-TR but I'm just starting to understand it's there only to link internal GPU to external monitors using TB3, not plugging anything TO the computer.

So, what are the criterias ?

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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itsage
(@itsage)
Founder Admin
Joined: 5 years ago
 

@jean-pierre_vincent, A lot of it is trial and error unfortunately. Intel and motherboard vendors don't state official support for eGPU on non-laptop products.

The good news is many of us have found the Titan Ridge add-in card (Gigabyte FW 23) to work very well with different motherboards. If you buy that PCIe AIC to use with your Asus Prime Z490-A motherboard, Thunderbolt 3 connection will likely work. I had success with an older Asus X99-Deluxe II in one of my builds.

 

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Jean-Pierre Vincent
(@jean-pierre_vincent)
New Member
Joined: 7 months ago
 

Thank you confirming I'm not that crazy looking for that information Smile

 

I'm taking a look at the GC-Titan-Ridge, there is version 1.0 and revision 2.0. V2 seems to just add :

- a 5-pin thunderbolt cable, in addition to the 3-pin one

- more motherboards are listed as supported, but I dont know if that because it arrived later or real compatibility issues

On most sites, there is a 40€ difference between both, when they tell something about the version.

In both cases, they promise nothing about the non-gigabyte motherboards … Thank you for confirming it worked on an ASUS one. I hope more people here will confirm it can work with Asus, I'll do some searches in the forum anyway.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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