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Noctua NM-i115x-1200

Installation Manual

Dear customer,

Congratulations on choosing a Noctua cooler for your Intel 
LGA1200/LGA115x system. We always like to think of our coolers 
as safe long-term investments: Not only are they built to last, we 
also provide upgrade kits so that you can keep using your trusty 
Noctua heatsink when you do a system upgrade. 

Enjoy your Noctua cooler on LGA1200/LGA115x!

 

 

Yours sincerely,

 

 

Roland Mossig, Noctua CEO

Required mounting parts:

2x NM-SFB2 

fastening brackets 

2x NM-IMB2 

mounting-Bars 

1x NM-IBP2 

LGA115x backplate

4x NM-ITS1 

thumb screws 

4x NM-SSC1 

short screws 

4x NM-IPS1 

plastic spacers 

Caution: Choose the alignment of the mounting bars according to 
the desired final orientation of the cooler: 

Orientation A

Orientation B

Caution: Make sure that the curved sides of the mounting bars are  
pointing outwards. 

First put the plastic spacers onto the bolts of the backplate, then 
add the mounting bars. Use the centre holes of the mounting bars. 

  Installing the mounting bars

4

Place the backplate on the rear side of the motherboard so that 
the bolts stick through the mounting holes. 

Caution: Please make sure that the three cut-outs in the  
supplied backplate align with the screws of the motherboard’s 
stock backplate.

Caution: Make sure to install the fastening brackets in the correct 
position.

  Attaching the backplate

3

In case you want to use the cooler on an assembled system and 
your case doesn’t have a cut-out at the rear side of the mother-
board tray, you first have to remove the motherboard from the 
case in order to be able to install the supplied backplate.

  Removing the motherboard

2

Then fix the new NM-SFB2 fastening brackets to the cooler (you 
can either use the original screws or the supplied NM-SSC1 
screws). Tighten the screws until they stop, but don’t use excessive 
force (max. torque 0.5 Nm).

  Fixing the fastening-brackets to the cooler

1

Caution: The following cooler models already use the NM-SFB2 or 
compatible fastening brackets, so if you use one of these models, 
please skip this step and directly proceed to the next one: NH-
C14S, NH-D14 SE2011, NH-D15, NH-D15 SE-AM4, NH-D15S, 
NH-D9L, NH-L12, NH-L9x65, NH-L9x65 SE-AM4. If you use the 
NH-L12S, NH-U12A, NH-U12S, NH-U12S SE-AM4, NH-U14S or 
NH-U9S, you can also skip this step, but in this case, you need to 
use the NM-IMB3 mounting bars supplied with the cooler rather 
than the NM-IMB2 bars supplied with this kit in step 2.

First take off the original fastening-brackets from the cooler by 
unscrewing the four short screws.

Caution: The supplied backplate will install over the mother-
board’s stock backplate, so the motherboard’s stock backplate 
must not be taken off.

This SecuFirm2™ Mounting-Kit for LGA1200 & LGA115x 
(LGA1150, LGA1151, LGA1155, LGA1156) is compatible with most 
Noctua retail CPU coolers since 2005. For detailed, up to date 
compatibility information please visit: 

www.noctua.at/socket

_

compatibility

Prior to installing the cooler, please consult the compatibility 
lists on our website (www.noctua.at/compatibility) and verify 
that the cooler is fully compatible with your motherboard. Please 
also make sure that your PC case offers sufficient clearance for 
the cooler and that there are no compatibility issues with any 
other components (e.g. tall RAM modules). Double check that 
the heatsink and fan clips do not make contact with the VGA card 
or other PCIe cards. Noctua cannot be held responsible for any 
damage or losses caused by compatibility issues.

This manual will guide you through the installation process step 
by step using an NH-U12P heatsink as an example. Please note 
that the installation procedure is identical for all models.

Should you encounter any difficulties, please check the FAQs on 
our website (www.noctua.at/faqs) and don’t hesitate to contact our 
support team at support@noctua.at.

Multilingual versions of this manual are available on our website:
www.noctua.at/manuals

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