Would an ADT-Link R43SG transmit data at PCIE 4 speeds if both the GPU & M.2 slo...
 
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Would an ADT-Link R43SG transmit data at PCIE 4 speeds if both the GPU & M.2 slot were PCIE 4?  

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mqyrk
(@mqyrk)
New Member
Joined: 5 months ago
 

Hello everyone,

With the latest GPUs' being gen 4 and because 11th gen Intel laptops could have a gen 4x4 M.2 slot would the ADT-Link R43SG setup run at 32Gbps or 64Gbps?

I have heard that high quality gen 3 cables could transfer at gen 4 speeds but not sure at all about if this is accurate.

Do members of this forum have any contact with ADT-Link to know if they would work on a gen 4 version?

I'm particularly interested in the doubling of bandwidth as I would really like to use the internal display of the laptop without running into a bottleneck rather than having to use an external one.

Thanks for reading.

 

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

@mqyrk, This is something I meant to test on several occasions. First attempt was with an Intel Evo laptop that has Thunderbolt 4 and a PCIe 4.0 M.2 slot. I couldn't get the laptop to boot with the R43SG adapter connected. I'm going to try with another Intel Evo laptop soon. Another backup plan is through an ATX motherboard, Gigabyte Vision D B550.

 

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

It might be possible. The length may need to be shorter. The only thing stopping gen 4 speed is the quality of the cable. PCIe does link training to see if each lane can do gen 4 reliably and if not, it falls back to lower link rate. Sometimes this link training causes issues so people limit (in BIOS) the target link rate to gen 3 so that PCIe doesn't even try gen 4.

I have a gen 4 source (HighPoint SSD7505) but haven't tried it with ADT cables or M.2 to PCIe x4 adapters.

Maybe one can set gen 3 in BIOS, then use pciutils to retrain for gen 4? I do this to get gen 3 or gen 4 devices to work at gen 2 speed in my Mac Pro 2008 which defaults things above gen 2 to gen 1.

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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Cardant
(@cardant)
New Member
Joined: 2 days ago
 

@itsage Did you ever test this with your ATX motherboard?

If so, what was the result?

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

@cardant, Yes, I tested the ADT-Link R43SG adapter (50cm cable) with a Z490 Vision D motherboard a few weeks ago. Unfortunately it could not negotiate a PCIe 4.0 link. I manually set the Link in BIOS to PCIe 4.0 as well but the best was gen3.

 

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external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2020 Gigabyte Z490 Vision D [10th,8C,K] + RTX 2080 Ti @ 32Gbps-TB3 (AORUS Gaming Box) + Win10 2004 [build link]  


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Cardant
(@cardant)
New Member
Joined: 2 days ago
 

@itsage, Alright, thanks for the answer. I hope we soon get an updated R43SG PCIE 4.0 compatible so that we can eGPU basically without performance loss.

 

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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