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RTX 4090 12VHPWR cable appears to be very dangerous
- Thread starter OZ9000
- Start date
He does fear monger but in this instance we have a confirmed report as per the reddit post. This is a good video regardless because he's right on this instance.
Frankly, I don't think it is worth the risk burning down your PC when Nvidia have opted for such a shitty connector.
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It's a bit of a mix, things like the NZXT case issues were legit, as well as that PSU brand that was blowing out a few months back.
MidGenRefresh
*Refreshes biennially
Something happened to that one person, quickly let's make a drama filled click-bait YouTube video while it's hot!
I Master l
Banned
I guess an L shaped 12VHPWR cable could solve this problem
Cyberpunkd
Member
In the video he shows proof from Nvidia highlighting melting connectors as an issue, Nvidia isn't responsible for this connector type, they just adapted it first, it's PCI-SIG who created it with Intel. The video also shows Discord chats with Johnny Guru who has said they've had to replace melted connectors multiple times during testing. And now there's this user from Reddit who was using it for gaming when the issue happened.
Black_Stride
do not tempt fate do not contrain Wonder Woman's thighs do not do not
More fearmongering from Jay?
I need to block this guys Youtube channel.
90 degree and 180 degree connectors should be used anyway.
I need to block this guys Youtube channel.
90 degree and 180 degree connectors should be used anyway.
GHG
Gold Member
More fearmongering from Jay?
I need to block this guys Youtube channel.
90 degree and 180 degree connectors should be used anyway.
If those are the cables required due to the design then they should be supplied with these new cards.
And no, he's not "fear mongering".
Using an adapter introduces an additional point of failure.More fearmongering from Jay?
I need to block this guys Youtube channel.
90 degree and 180 degree connectors should be used anyway.
90 degree connectors should indeed be used as standard
Bullzoid makes an excellent video on why the connector sucks too.
kiphalfton
Member
Looks like another class action lawsuit on the horizon
Herein lies the problem. Bending the connector = bad. At a minimum, you need 35mm bend clearance to facilitate a safe connection.
However, to fit the GPU in your case, you have to bend the connector. No case on the market allows you to bend with a 35mm clearance.
Did Nvidia only test this power connector on an open air bench?
However, to fit the GPU in your case, you have to bend the connector. No case on the market allows you to bend with a 35mm clearance.
Did Nvidia only test this power connector on an open air bench?
GymWolf
Member
kiphalfton
Member
Herein lies the problem. Bending the connector = bad. At a minimum, you need 35mm bend clearance to facilitate a safe connection.
However, to fit the GPU in your case, you have to bend the connector. No case on the market allows you to bend with a 35mm clearance.
Did Nvidia only test this power connector on an open air bench?
That's the dumb thing.
How the fuck does Nvidia expect people NOT to bend it if there is no fail-safe in place? 35mm is almost 1.5", and it looks like you can't bend it in either the the x or z axis direction. Absolutely stupid.
If Nvidia really doesn't want people to bend it, which most people are going to do if mounting it the traditional way, I'm not sure what they're expecting as all these cards are super fucking long (if the power connector is at the end) and/or wide (if the power connector is on top of the card opposite the PCIe connector). So by allowing an extra 1.5" (and that doesn't even include the length of the plastic connector) it's very likely either going to run into the front of people's case or the side panel, respectively, without bending the cable.
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GHG
Gold Member
It will apply to any cards that use this power connector. So the 4080's will be the same.
O OZ9000 poseted the "solution" for now above, which is to take care of how the cable is installed and the direction/angle it bends in.
I think people might want to start using tape or something to force at least 35mm of the cable to remain straight.
Essentially bending the cable means a greater risk of connection failure and therefore a burnt connector. But to fit the card/cable in your case, I imagine 99% will require a significant bend.
Interesting facts about the new connector, stolen from Reddit:
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MidGenRefresh
*Refreshes biennially
You can't bend that cable at the connection point. There's a thick outer layer preventing you from doing so. I mean you can but you have to be mentally challenged to do so because clearly it's not designed to be bend there.
Card + adapter fits just fine in my NZXT case.
Card + adapter fits just fine in my NZXT case.
Silver Wattle
Gold Member
The cable is low quality, tbh it's always puzzled me how bad quality PC cables are.
It isn't a fault of bending the cable - if it was a fault of bending the cable the melted pins would be on one side only and not melted on pins spanning the whole connector.
story source: reddit, lol
story pushed by: the exact same people who made a big deal 2 years ago saying the black capacitors on the underside of GPUs were causing all the 3090 GPUs to crash, when it was actually a driver issue.
story source: reddit, lol
story pushed by: the exact same people who made a big deal 2 years ago saying the black capacitors on the underside of GPUs were causing all the 3090 GPUs to crash, when it was actually a driver issue.
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GymWolf
Member
Fuck me this only make me more worried for the people who are gonna build my pc...
In theory people who build pc for work should know everything about this stuff right?? Like even the mediocre ones right?
O OZ9000 do you have the brief and simple version of that reddit link? How should i explain that link to the people who are gonna build my pc?
In theory people who build pc for work should know everything about this stuff right?? Like even the mediocre ones right?
O OZ9000 do you have the brief and simple version of that reddit link? How should i explain that link to the people who are gonna build my pc?
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GHG
Gold Member
For your own sanity don't watch any of gamers nexus' videos on prebuilds and system builders. Send them this and pray:
Or build it yourself of course.
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kiphalfton
Member
Just get the CableMod 12VHPWR Right Angle Adapter like
Black_Stride
mentioned. It releases on 10/31/2022.Should work with all RTX 4090 cards (whether Nvidia FE, or AIB):
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Fess
Member
It’s not Nvidia, it’s the new standard, and as he said AMD will use it as well.
He might be right on the money but as he said he don’t know if that person has overclocked or pushed up the power limit or has bent the cable too much. If it’s a serious problem we’ll see these reports pop up left and right. Hopefully Gamer Nexus can upload some heat camera content.
Nickolaidas
Member
Mephisto40
Member
So basically there is a market there for somebody to make one of these cables with a 35mm bit of plastic behind the connector to stop you bending it too short
I'll take my 50% for the idea whoever wants to do it
I'll take my 50% for the idea whoever wants to do it
MidGenRefresh
*Refreshes biennially
That "plastic" is already there, I honestly don't know what all of you are talking about.
RoboFu
One of the green rats
Nah it’s just he doesn’t judge items based on fanboyism. He has been right more than not but again he is constantly pissing off fanboys on all sides by calling it how he sees it.
Rendered Tangent
Banned
I watched that video this morning.
Can't say I'd be very happy paying all that money for a 40 series only to start smelling plastic melting after a few days.
Seems like it might be a fundamental design flaw.
Let's just hope nothing serious happens because of it.
Can't say I'd be very happy paying all that money for a 40 series only to start smelling plastic melting after a few days.
Seems like it might be a fundamental design flaw.
Let's just hope nothing serious happens because of it.
MidGenRefresh
*Refreshes biennially
Another burnt cable
Oh no. I don't know who to believe. A random guy with dirty workstation dirt under fingernails or Gigabyte and Nvidia engineers.
Do you honestly think Nvidia and Gigabyte are testing their GPUs in a simulated home environment and a closed case?Oh no. I don't know who to believe. A random guy with dirty workstation dirt under fingernails or Gigabyte and Nvidia engineers.
3 other people in the Reddit thread confirmed burnt connectors too.
Jonnyguru from Corsair also confirmed they had burnt connectors during testing. Is he also a liar?
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MidGenRefresh
*Refreshes biennially
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Yes. Do you honestly think there are no safety standard procedures in place when dealing with electronics?
You can't fit without applying a significant bend in a typical PC case. Hell Gigabytes 4090 is so wide it doesn't fit in most cases with the side panel closed full stop.Do you seriously think they are not?
I just think this smaller connector is a bad decision overall. It looks fragile. We now have a 35mm required clearance. There was nothing wrong with the previous 8 pin connectors. Why attempt to create a solution to problem that doesn't exist?
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winjer
Member
Oh no. I don't know who to believe. A random guy with dirty workstation dirt under fingernails or Gigabyte and Nvidia engineers.
NVidia lying?
As if that had never happened....
You have to be a certain kind of special to try and force a GPU power cable to fit into a case which is too small for it. Are you the type of person who complains that there's no warning signs on hot water taps?
A standard GPU should fit a standard ATX case full stop.
The worst part is that the power connector isn't recessed within the GPU itself.
That would provide greater clearance and eliminate the sheer force applied on the pins as you would not be required to put any bend on the power cable.
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MidGenRefresh
*Refreshes biennially
It fits just fine in my NXZT ATX case. Easily. And after that initial 35mm I just bend cables to the right.
Google "how much watts can an 8-pin power connector provide" and try to figure it out yourself.
Mr Wonderstuff
Banned
For balance and a bit of a reality check from a professional:
The upshot - looks the Reddit poster hadn't plugged in his power cable in properly.
*Edit: Looks like in the video he was testing the Seasonic cable not the Nvidia one.
The upshot - looks the Reddit poster hadn't plugged in his power cable in properly.
*Edit: Looks like in the video he was testing the Seasonic cable not the Nvidia one.
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3/4x 8 pin connectors would have been adequate.
MidGenRefresh
*Refreshes biennially
Exactly. 4 power plugs in your GPU. Are you insane?
RoboFu
One of the green rats
Yes
Mr Wonderstuff
Banned
"Multple sources" - I'm curious. Have there been more than the one Redditor this happend to?That’s a theory vs real burnt connectors from multiple sources.