RTX 4090 16-pin GPU adapter fights melting with active cooling

2 years ago by Alphane Moon to c/hardware

You still need to keep an eye on your GPU's power cable.
Viri4thus 26 points 2 years ago

It's becoming harder and harder to argue against people stating idiocracy was a documentary...

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dual_sport_dork 22 points 2 years ago

I went with AMD for my most recent build out of pure knee-jerk spite and that's looking like a better and better decision with each passing day.

I'm not going to say I called it, but I called it. I watched the 50xx series launch with only vague interest since I have no intention of buying an nVidia card again, ever. I saw that tiny little power connector kicked off at a weird angle like that on the 5080 in particular and thought, "Boy, that looks stupid as fuck. I wonder how many minutes it'll be before those start catching on fire." The 40xx's getup was already a well known issue as we can see by the gymnastics apparently required as illustrated in the article. It seems that they learned nothing other than that consumers will buy the damn things anyway. And neither did we, since people are still clamoring to buy them.

Mankind has known for a hundred years how to make an electrical connector big enough to handle the amount of current it's supposed to pass. And it's not like they didn't have any goddamned room on the vast acreage of the 40xx and 50xx series cards to work with, either.

You know what? I haven't had a single problem with my RX7900XTX except that I wound up with an Asus one, and I need to use Asus' stupid Armory Crate doohickey to mess with its single RGB light as it does not appear to be compatible with iCue or OpenRGB. But you know what, if the thing is stuck in its default Unicorn Barf mode until an update or two comes down the pipeline and it hasn't, like, set my computer on fire I think I can deal with that.

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Alphane_Moon 6 points 2 years ago

5000 series has largely been subpar IMO. In a competitive market they would have been forced to keep the 4000 series in production, but we don't have a competitive market for GPUs.

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dual_sport_dork 5 points 2 years ago

Yeah, I saw the Gamers Nexus benchmarks on it and for the money I'm really not impressed. With what these cost, a couple of percentage points don't excite me. I already have a plenty fast graphics card.

The only thing I'm "missing out" on is nVidia's attempted near-monopoly on raytracing, which is not a technology in which I'm the slightest bit interested because, gee-whiz factor aside, even on their very fastest flagship new card it still tanks your framerate to an unacceptable level (in my opinion) for no tangible benefit whatsoever.

The only issue I foresee is upcoming games that "need" RTX, i.e. the current incarnation of the id Tech engine for some batshit reason, but the only things that run that so far are Doom: Dark Ages and that Indiana Jones game which I likewise have no interest in. So fuck it.

(And I similarly do not care about DLSS or FSR or motion interpolation or any other kinds of fake frames, which are another absolute dumb-shit dead end.)

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Jakeroxs 1 point 2 years ago

DLSS and FSR is actually really good 🤷‍♂️ free frames for very little quality degradation, seriously can make a massive difference in playability.

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dual_sport_dork 4 points 2 years ago

The frames they generate are not "free," nor are they necessarily accurate. If your GPU can't fill your screen at native resolution at a rate matching or exceeding the refresh rate of your display, you either need to turn down your graphics settings or invest in a beefier GPU, not make up fake image data to go in between (introducing input lag) or around (by deliberately rendering at suboptimal resolution and attempting to AI upscale the result). And attempting to exceed your display's refresh rate by making up additional fake frames is literally pointless, just setting electricity on fire for no benefit.

But then, it will probably also shock and horrify people to learn that I also always run with full screen antialiasing turned off. My display is 3840x2160. Trust me, jaggies are of no concern.

I have no interest in either of these stupid technologies.

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ThePantser 17 points 2 years ago

Why use such shitty connectors? There are so much better options for this. Like the xt90 which can support 90amps.

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otacon239 14 points 2 years ago

Because it doesn’t look like all the other cables and it’s not proprietary. Why not reinvent the wheel while we have the chance?

/s

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Gerudo 5 points 2 years ago

Those would cost .04 cents more! Think of the shareholders!

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fulg 16 points 2 years ago

Talk about addressing the symptom and not the problem… 😬

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Alphane_Moon 15 points 2 years ago

A cooling fan for a power connector!

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HakFoo 13 points 2 years ago

I don't get why they couldn't just do more 8-pin connectors. Three is common enough on things like 6900XTs. Four would give you a 600w envelope too.

Then you don't have to redesign the PSU and they're a known quantity. It's not like this lets you make the card meaningfully smaller, heatsimk and all.

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lud 4 points 2 years ago

The 8 pin connectors are very bulky. So a new connector is definitely needed if they are gonna keep increasing the power demands, but this one ain't it.

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TBi 2 points 2 years ago

This connector is possibly ok. But really they should have put two on instead of running one at its limits.

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lud 2 points 2 years ago

I haven't followed the recent failures but the earlier failures were iirc caused by improper .

The connector should be redesigned to make something like that impossible. For example the connector shouldn't click if it's not fully inserted and the sense pins should be shorter as not to deliver current until full insertion.

IIRC it's also pretty damn fragile and slight stress on the connector can start fires.

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AnUnusualRelic 6 points 2 years ago

You still need to keep an eye on your GPU's power cable.

Great, now I have to stick a webcam in my computer case.

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