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What is this on my PCIE cable??

post #1 of 22
Thread Starter 
What is the black thingy on the cable? I was thinking about sleeving it but I was not sure what it was.
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post #2 of 22
One of those beads to improve delivery/ stop interference? Can't say I've seen it on power cables from a PC PSU before. Usually see them on DVI/VGA/HDMI?

Or do you mean the 2 extra pins on offer from the 6 pin PCIe? Because in that case..

Well, I don't think that's what you're asking about anyway
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post #3 of 22
A ferrite core.
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post #4 of 22
Thread Starter 
Quote:
Originally Posted by neo0031 View Post

One of those beads to improve delivery/ stop interference? Can't say I've seen it on power cables from a PC PSU before. Usually see them on DVI/VGA/HDMI?

Or do you mean the 2 extra pins on offer from the 6 pin PCIe? Because in that case..

Well, I don't think that's what you're asking about anyway

Yes the bead. Should I not sleeve my video card cables then?
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post #5 of 22
That bead is a ferrite core, like blameless said. You can still absolutely sleeve your cables, but that core is there for a reason so just sleeve up to it, and then heatshrink over it.
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post #6 of 22
Thread Starter 
Quote:
Originally Posted by M3nta1 View Post

That bead is a ferrite core, like blameless said. You can still absolutely sleeve your cables, but that core is there for a reason so just sleeve up to it, and then heatshrink over it.

Well if I have to leave it on, I was not going to sleeve the cables. What is the point of sleeving to make it look nice if this ugly thing needs to stay on.
Should I make extensions to the cables so I can hide this one then? Or is that just as bad because the core is not on the end?
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post #7 of 22
Its there to prevent interference. You can remove it, but then you take a risk that the interference could damage something. I agree with neo0031, ive never seen it on a power cable before, so its likely only there for running a soundcard or some other delicate card that requires the power. You can still sleeve your cables tho, the sleeve could be stretched to go over it, or even buy a bigger size sleeve so it goes over without a fuss.
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post #8 of 22
Thread Starter 
Do graphic card pci-e cables usually have these? My card is a gtx780.
If they dont usually have them, i think im going to take them off
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post #9 of 22
the half dozen or so PSUs ive worked with dont have it, and ive never seen one with it. Like i said its most likely dedicated to plug into a soundcard, which would have a higher chance of benefiting from reduced interference. So if you want to take a risk and take it off, more power to ya.
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post #10 of 22
It might help with coil whine on the graphics card. That's the reason it's there, I think.
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