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Thunderbolt 4 Enclosures  


Active Member
Joined: 1 year ago

As a Lenovo ThinkPad X1 Carbon 9th Gen owner, are there any TB4 enclosures out there in the wild? I'm also still confused about the difference in TB3 vs 4 for eGPU setups - the maximum speed of both ports is 40GB/s, but they have difference PCIe requirements and therefore should have differing performance?

2021 14" Lenovo ThinkPad X1 Carbon 9th Gen [11th,4C,G] + GTX 1080 @ 32Gbps-TB4 (Mantiz Saturn Pro) + Win10 [build link]  

Mini i5
Prominent Member
Joined: 3 years ago

@rhys_saldanha, Nope. I think we will have to build our own one-off TB4 enclosure to find out. 


2018 Mac Mini [8th,6C,B] + RX 6600 XT @ 32Gbps-TB3 (Sonnet Breakaway 650) + macOS 12.1 & Win10 21H1 [build link]  

Estimable Member
Joined: 4 years ago

@rhys_saldanha, Sonnet has a huge post about it, probably because they were getting questions when TB4 started hitting devices. (scroll down)


Of course it seems that TB5 will start breaking some walls down maybe judging by that accidental Intel pic. Not sure technically how what was shown will relate to any improvement for eGPU, but the 80Gb bandwidth number gives some hope.


This post was modified 1 year ago
2018 17" LG Gram 17 [8th,4C,U] + RTX 2070 @ 32Gbps-TB3 (Sonnet Breakaway 550) + Win10 [build link]