PSU cables with inline capacitors: what happens if a cable cap goes KO? - Page 2 - Overclock.net - An Overclocking Community

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PSU cables with inline capacitors: what happens if a cable cap goes KO?

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post #11 of 14 (permalink) Old 01-30-2019, 03:22 PM - Thread Starter
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Quote: Originally Posted by lexer View Post
I doesn't matter because the connectors are in parallel, most PSU today have only a single rail. Even in multi-rail PSU the output are "artificially" divided with shunt resistors that monitor the output of each rail but in reality is one
so in other words they didn't need to complicate things by making separate pci-e cables (and connectors on GPUs) they could've just had 1 single 8pin connector & 1 cable no matter how much the GPU needs??
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post #12 of 14 (permalink) Old 01-30-2019, 03:42 PM
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Quote: Originally Posted by pulverizor View Post
so in other words they didn't need to complicate things by making separate pci-e cables (and connectors on GPUs) they could've just had 1 single 8pin connector & 1 cable no matter how much the GPU needs??
Nope having multiple cables reduce the total resistance and you have less voltage drop and less heat on the cables. That is the reason some manufacters recommend using two separate cables for high power GPU instead of the daisy chain. But you can imagine that works is like a "single cable"

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Last edited by lexer; 01-30-2019 at 03:51 PM.
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post #13 of 14 (permalink) Old 01-30-2019, 04:09 PM
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The caps are useful, same as using multiple cables to GPUs instead of a single 8+6. The caps are not necessary and removing them doesn't cause any issues but may increase whine from GPU etc. If they go bad then you probably have way bigger problems than the caps LOL.
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post #14 of 14 (permalink) Old 01-31-2019, 06:29 AM
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So after looking at my existing cables I just realized that they must already have capacitors built in.

At this point I'm almost wondering if it's a faulty unit due to the whine, maybe trying another PSU of similar caliber could help me determine if it's something that can be fixed or just a symptom of waterblocking my card.

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