I got a CoolerMaster Elite 335 tower case and noticed it comes with a magnetic ring. The manual lists it as a part for use with the cables, but it does not indicate HOW to use it. Does anyone know how to use it?
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The cable you want shielded needs to go through the hole. Personally, I've never used one or seen the need to. It might help with audio cables for noise reduction, but that's just a guess.