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NA-SRC7 4-Pin PWM Low-Noise Adaptors, 3 pack $9.42
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(17 customer ratings)
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Noctua NA-SRC7 4-Pin PWM Low-Noise Adaptors, 3 pack

The NA-SRC7 contains three resistors for reducing the speed of 4-pin PWM fans by around 30%.

Features

  1. Reduces the speed of 4-pin PWM fans by approx. 30%
  2. Fully sleeved
  3. Supplied in a pack of 3

The NA-SRC7 is a fan accessory set consisting of three fully sleeved NA-RC7 Low Noise Adaptors (LNA) for Noctua 4-pin PWM fans. Connected between the fan and the power source, the adaptors reduce the running speed and noise emission of the fans. The NA-SRC7 is ideal for slowing down Noctua’s redux edition fans (see speed tables).

Please note the following when using this product.

Never use one Low-Noise Adaptor to slow down multiple fans. Always use one adaptor per fan.

The NA-RC7 adaptors are not compatible with Noctua’s industrialPPC series.

The NA-RC7 adaptor is designed for use with Noctua 4-pin fans (except industrialPPC series). While it may work with many other fans, use with third party fans is not officially supported by Noctua, it is at the customer’s own risk and will void the warranty. The NA-RC7 adaptor is strictly not to be used with fans that draw more than 3W of power.


SpecificationsNA-SRC7
Cable length110mm
Connector4-pin
Warranty72 months
EAN barcode4716123315155
SpecificationsNA-SRC7
Cable length110mm
Connector4-pin
Warranty72 months
EAN barcode4716123315155

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The problem with the Intel cooler was that it was just so noisy - it was a real pain having to listen to it all day.

Installing the Trinity was a fairly major undertakiing, because you have to take out the motherboard. That is because the Trinity has a backplate which is mounted on the underside of the motherboard and which bolts through to secure the main cooler on the cpu side of the board.

I think it would be extremely unlikely that you could install this without removing the motherboard and, in my system, an Intel D945GNT system board mounted in an Acousticase AC 6607 case, this also involved taking out the hard drives and the psu.

In all it took me over three hours to install this cooler - although how long it takes will depend a lot on your particular system and how used you are to taking it all apart.

Howeever, having made the effort, it was definitely worthwhile.

The new cooler is virtually silent and it is wonderful not to have to spend all day listening to the Intel cooler fan whining away.

Monitoring showed that the Intel cooler fan was doing about 4800 rpm against the Trinity at typically 600 rpm or so - which accounts for why it is quieter; the bigger fan rotates more slowly to move the same volume of air. And, of course, it has a much bigger radiator, which I am sure helps.

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All in all, an excellent product and well worth the effort of installing it.”

(Review via Trustpilot)