Why are some melting? RTX 4090 600W 12VHPWR Adapter Teardown
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UPDATE: In light of the excellent investigative video posted by Steve / GamersNexus (https://www.youtube.com/watch?v=EIKjZ1djp8c), it would appear that this problem is still unresolved and there’s more to it than the 14AWG wire solder points in the plug. Steve is asking for more people with these adapters to get in touch with him, and of course NVIDIA is investigating although they haven’t made any statements beyond that. Locating more adapters with the 150V rated wires that IgorsLab saw (mine used 300V wires which can be seen at 8m26s) would definitely help. Most are still leaning towards this being a manufacturing issue with the adapters, but what specifically the defect is remains to be seen.

► TIMESTAMPS
0:00 Intro
1:58 Getting up to speed – are 12VHPWR connectors melting?
4:15 It might not just be the pin connectors; check the wires
7:18 12VHPWR adapter vs native cable from Corsair
7:55 TEARDOWN
11:37 Why the plugs have been melting
12:18 Closing Thoughts – and NVIDIA is investigating

► LINKS
Jay’s Video – https://youtu.be/-NGUov5Zb_0
12VHPWR Adapters Melting!
https://www.reddit.com/r/nvidia/comments/yc6g3u/rtx_4090_adapter_burned/
https://www.reddit.com/r/nvidia/comments/yeb9e7/i_think_my_asus_4090_tuf_oc_adapter_is_melting_too/
https://overclock3d.net/news/gpu_displays/nvidia_s_investigating_rtx_4090_cable_burning_melting_reports/1
https://www.theverge.com/2022/10/25/23422349/nvidia-rtx-4090-power-cables-connectors-melting-burning
https://twitter.com/hms1193/status/1585257428291325958?t=hnJOrYEUEtn9_FPqz_Wq_g&s=19
https://www.pcgamer.com/the-rtx-4090-is-such-a-chonker-that-this-company-designed-a-special-power-adapter-for-it/
https://www.reddit.com/r/nvidia/comments/ydndbi/psa_you_can_reterminate_your_nvidia_4090_adapter/
Boot Sequence – https://youtu.be/ip03WmCWthc
Galax Tests up to 1450W load – https://www.youtube.com/watch?v=pCPVZIKrJaU
Igor’s Lab Articles/Video
https://www.igorslab.de/en/adapter-of-the-gray-analyzed-nvidias-brand-hot-12vhpwr-adapter-with-built-in-breakpoint/
https://www.igorslab.de/en/adapter-gate-nvidia-briefs-today-early-all-board-partners-and-makes-damage-an-absolute-chief-issue/
https://www.youtube.com/watch?v=XQFZ6lBL5rU
AMD confirms no 12VHPWR on RDNA3 cards
https://www.pcgamer.com/amd-rdna-3-graphics-cards-will-not-use-12vhpwr-power-connector/

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► Edited by Joe Aguilar – ShaostylePostProductions
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