FP91G (OP)
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This is a fiasco, Nvidia. GeForce RTX 4090 continue to melt and burn, and this is a pattern After the first case of a GeForce RTX 4090 fire was described, there were suggestions that this was not an accident, and everything would not be limited to this. Indeed, other incidents followed. And in all cases, the same weak point is the connector for connecting additional power and / or the branded adapter cable included in the package. https://gadgettendency.com/this-is-a-fiasco-nvidia-geforce-rtx-4090-continue-to-melt-and-burn-and-this-is-a-pattern/
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adaseb
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October 26, 2022, 05:18:45 PM |
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How many of those pins are actually +12V. Just like the PCIe 8 pin connector, there are only 3 +12V and the rest are GND and sensing connectors.
I had once of those dual Radeon 6990 GPUs which was basically 2 of the Radeon 6970 and it only had 2 * 8 pin connectors. That beast can pull 600 Watts if you overclocked it, I think it used like 450Watts in some high intensity games or mining. I assumed the connectors would burn but they never did.
My guess is that its not the GPU but the adapter which is causing the melting. They need to use better female pins.
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OgNasty
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October 26, 2022, 05:53:42 PM |
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This is pretty crazy. It is widespread or just from one brand? This seems a little unbelievable for a company as established as Nvidia. Especially when they know that heat is a big issue with this product. I haven’t seen a whole lot of complaints about these yet, but I also didn’t know they were getting into people’s hands already. What is your advice? Holding off on purchasing for now?
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eleceng1979
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I’ve melted 6 and 8 pin pcie due to poor cable construction/pins while mining. Countless breakout boards melting also. Eventually settled with no more than 75w per 8 pin cable and many more quality cables to stop it. Sellers literally sell non compliant cables on the daily. Then EVGA started giving away a right angle adapter with high spec 1080-1080ti’s due to melting twin 8 pin plugs. They added capacitors inside this adapter to help with surge currents/stress on the pins. I got lucky due to having smoke detectors hovering over all miners. Others not so lucky.
Fast forward to this shit show with stupid tdp’s and custom connectors. People are literally bending the cables at the connectors 90 degrees to stuff it into cases. Some people have broken their glass sides due to the pressures exerted on the cables/glass. People flocking to these 4000’s due to the long drought will be granted some smoking GPU performance, literally. The pins cannot sustain such punishment and needs to change. The whole pcie power standard need rethought IMO. The person who doubled the 6 to 8 pin power maximum by adding 2 additional ground wires needs beaten. Now this 4000 series stuff being the wave of the future, no thanks.
450W TDP @ 12V is 37.5A RMS, not accounting for peaks/surges. The whole multiple wire plug, not equal length wires and poor current sharing, low insertion force pins, is not going to cut it at these levels. EVGA is the best IMO, and didn’t get there by being dumb. They clearly made the right choice for a multitude of reasons.
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FP91G (OP)
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October 27, 2022, 11:09:37 AM |
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My opinion is that this connector initially looks like shit. It is better to use several standard 8 pin connectors. Then the owners of power supplies will not need additional adapters and there will be fewer problems. I hope that AMD will not use such a connector.
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JayDDee
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October 27, 2022, 04:16:57 PM |
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My opinion is that this connector initially looks like shit. It is better to use several standard 8 pin connectors. Then the owners of power supplies will not need additional adapters and there will be fewer problems. I hope that AMD will not use such a connector.
Except for the 4 tiny sensing pins it looks just like the old 8 pin connectors but with more pins. The problem is the poorly designed and built adapter. It's the shitty riser issue all over again but at much higher power levels. It's Nvidia's fault for poor quality control of their outsourced adapter. Edit: The right angle connector may solve the issue simply by being better built in addition to avoiding the stress of bending.
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hymperion
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October 27, 2022, 04:30:07 PM |
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it is ridiculous to use that cable on a card with that wattage, I can understand on an 80 series but on a 90 that has out-of-standard consumption they should have inserted at least 2 to avoid such risks. A cable operating under optimum conditions at 95% load that can handle the slightest change (whether it's a badly ventilated case or a PSU that drops the voltage 0.1 from normal) can lead to disastrous results. without considering that by doing so you limit customization, preventing you from buying third-party cables to change the aesthetics. A cinesata would burn the pc in the first session.
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P00P135
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October 27, 2022, 04:36:34 PM |
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My opinion is that this connector initially looks like shit. It is better to use several standard 8 pin connectors. Then the owners of power supplies will not need additional adapters and there will be fewer problems. I hope that AMD will not use such a connector.
AMD already confirmed they are using 8 pins. There is also a rumor that they are adding their stacked 3d cache on the 7950xt. https://www.techpowerup.com/300252/radeon-rx-7000-series-wont-use-16-pin-12vhpwr-amd-confirms
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philipma1957
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October 28, 2022, 02:48:00 AM |
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I have 4x evga 3090ti units.
they feed 3 8pin pcies to that cable.
the tdp on the 3090ti is 350 watts
i run them at 325 watts 24/7/365 dual mining zil and etc.
I cant imagine pushing 450 watts to that cable adapter provided.
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arielbit
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October 28, 2022, 03:06:25 AM |
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I have 4x evga 3090ti units.
they feed 3 8pin pcies to that cable.
the tdp on the 3090ti is 350 watts
i run them at 325 watts 24/7/365 dual mining zil and etc.
I cant imagine pushing 450 watts to that cable adapter provided.
even 3080ti suprim x uses 3x 8pin pcie, that 4090 uses 12 pin vs 24 pin (3 x 8pin), x2 amount of wires for a lower wattage cards. worse case scenario is 4xxx series get another refresh before we get to the next gen architecture of GPUs LOL.
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adaseb
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October 28, 2022, 03:08:57 AM |
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Well at least since the connector adapter melts the PSU is saved pretty much. Because the GPU will be RMAd.
I can’t imagine warranty from another manufacture covering the PSU if it was a faulty GPU which caused it. Would Nvidia warranty also cover the PSU or are you out of luck ? Never had this happen before to know.
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FP91G (OP)
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October 28, 2022, 01:00:52 PM |
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Well at least since the connector adapter melts the PSU is saved pretty much. Because the GPU will be RMAd.
I can’t imagine warranty from another manufacture covering the PSU if it was a faulty GPU which caused it. Would Nvidia warranty also cover the PSU or are you out of luck ? Never had this happen before to know.
The service center will not accept melted connectors on the power supply under warranty and will write an act where it will be denied repair or replacement. In most cases, this is the user's fault. That's why I don't buy top graphics cards, and I read reviews carefully before buying.
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JayDDee
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October 28, 2022, 03:37:14 PM |
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I cant imagine pushing 450 watts to that cable adapter provided.
It's not clear how much OC was involved in these cases so it may have been more but the new connector is supposed to handle up to 600W. PSU damage could be covered a number of ways. The AIB partners may cover PSU damage to please their customers then try to recover the costs from Nvidia. End users may file a class action with Nvidia and/or the AIBs. It's unlikely the PSU providers will cover it themselves. EVGA must be relieved they dumped Nvidia and have avoided this problem.
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joseph32
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swogerino
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October 29, 2022, 10:32:43 AM |
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I have seen a couple of friends using such adapters and I am always against,I always use 8 Pin PCIE connectors from really good brands in power supply like Corsair or Evga and I rarely use any other brand.I have not had a 3090 myself but several of my friends have and they never had any problems by running them with these standard 8 PCIE connectors from good branded power supplies. I doubt Nvidia has made any lousy implementation,they are not well known for them,on the contrary they are well known for perfect implementations in most cards.
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philipma1957
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October 29, 2022, 02:43:12 PM |
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Well after reading this I am very grateful that I only feed my four 3090ti's 325 watts each on that adapter.
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batsonxl
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October 29, 2022, 04:07:38 PM |
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What could go wrong when you put 600watts in these tiny 12pin.so will see 24pins on rtx5090 with 900watts tdp
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eleceng1979
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October 29, 2022, 06:27:49 PM |
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Your right, no need to speculate that Nvidia has provided total shit wiring design for their AIB’s to use…. Glad we only listen to such experts instead of us plebs here using common sense and experience. “ The overall build quality of the included adapter for the GeForce RTX 4090, which is distributed by NVIDIA itself, is extremely poor and the internal construction should never have been approved like this. ”
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FP91G (OP)
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October 29, 2022, 07:18:50 PM |
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I have seen a couple of friends using such adapters and I am always against,I always use 8 Pin PCIE connectors from really good brands in power supply like Corsair or Evga and I rarely use any other brand.I have not had a 3090 myself but several of my friends have and they never had any problems by running them with these standard 8 PCIE connectors from good branded power supplies. I doubt Nvidia has made any lousy implementation,they are not well known for them,on the contrary they are well known for perfect implementations in most cards.
Even on inexpensive, budget power supplies, I had no problems with the power supply, although I also love Corsair, Cougar and Evga. Nvidia chose a bad supplier for the adapters, but this does not relieve the company of responsibility. They were obliged to check the quality of the adapters.
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