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Low noise adapters

Dariru
By Dariru
in Cases and Mods
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Does anybody know where you can get low noise adapters to reduce the RPM of your fans?

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I can't really find anyone that really sells low noise adapters. NCIX doesn't carry them and NewEgg doesn't either.

You might be able to find off ebay but be warned buy at your own risk. The only way I think you can low noise adapters is by buying new case fans. Most of the premium or reputable brands that have well known case fans like Noctua or Corsair will have low noise adapters that come with their fans.

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They do seem a bit hard to find... ebay maybe?

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Has anybody tried the method on silentpcreview?

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Has anybody tried the method on silentpcreview?
yeah i used a ghetto 5v adapter from 4pin molex works great just remember never plug it into anything other than fans
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Perhaps not the most reliable option, but I'm sure you'd find something affordable and useful on ebay. Otherwise, most new premium fans (Corsair, Noctua etc) come with at least one...

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There are some on Amazon, but they're at least 4-5 bucks. Not worth it; making ghetto ones from molex fan adapters is your best bet.

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Most known european stores have them for a couple of €. They are easy to find.

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buy some molex splitters and solder some resistors or diodes into them (most diodes pull the voltage level down with about 0,6-0,7V, so i recommend a resistor). which resistor you need, has been showed in one of linus' noctua unboxings recently.

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Has anybody tried the method on silentpcreview?
I've used the 5V mod for years. Works great. I usually reverse the red and yellow on both molex plugs incase I forget and plug something into it. :P

I've never tried the 7V mod as I am concerned what it might do to the PSU.

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buy some molex splitters and solder some resistors or diodes into them (most diodes pull the voltage level down with about 0,6-0,7V, so i recommend a resistor). which resistor you need, has been showed in one of linus' noctua unboxings recently.
Make sure you get a resistor with the appropriate WATTAGE rating. IIRC it needs to be at least a 1W resistor. Otherwise your resistor will burn.
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It's actually a bit tricky to exactly calculate the resistance needed to reduce your fan to a certain RPM. It's dependent on the amperage of the fan and the resistance of the fan while running. The 5v or 7v mod does work as per silentpcreview, but I prefer to use LNAs myself.

Noctua uses 82 ohm resistors in their blue LNAs and ~51 ohms in their black LNAs. It looks like they are 1/2 watt, but the 82 ohm only drops the NF12s(0.09a) to 9v, so 3v x 0.09a = 0.27w. If you want to build your own LNAs, pick up some 25-250 ohm resistors and if you want to drop to 7v or less, make sure you get 1watt resistors.

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Why not get a Fan controller?

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Has anybody tried the method on silentpcreview?
Linus did the 7v mod in one of his videos, so I just did it and everything is going. If something happens you can blame Linus:p

=

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They do seem a bit hard to find... ebay maybe?
eBay has some, 5 for under $5.
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http://www.quietpc.com/ You're welcome. :) (They're in the case accessories section - Zalman 7V adapters)

there ya go!

Why not get a Fan controller?

If you are talking manual then you shouldnt cuz they are ugly.

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If you are talking manual then you shouldnt cuz they are ugly.

That's actually one reason why I don't want a fan controller.

Thanks for the help everyone :D

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buy some molex splitters and solder some resistors or diodes into them (most diodes pull the voltage level down with about 0,6-0,7V, so i recommend a resistor). which resistor you need, has been showed in one of linus' noctua unboxings recently.
The resistor you need was shown in the live stream where Slick was sick and Linus was doing it by him self. The colours are gold black blue green. I'm parity sure it's a 53 ohm resistor but don't quote me.
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Low noise adapters aren't as common as they should be. Most of the time, they come with the fans that you buy. I'm sure you'll be able to find a couple on eBay or Amazon.

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  • 4 years later...
Posted

Anybody know what resistance I would have to solder to a cable to make one myself ?

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