Noctua NH-L9A-AM4 Manual

Noctua Hardwarekoeling NH-L9A-AM4

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Dear customer,

Congratulations on choosing the Noctua NH-L9a-AM4

chromax.black.

This small cooler packs all essential technologies of our

award-winning high-end models into a highly compact

package in order to give you the best possible quiet cool

ing experience for HTPCs and small form factor builds. I’m

condent that you will be able to sense some of the research,

attention and care we’ve put into making this product.

Enjoy your NH-L9a-AM4 chromax.black!

Yours sincerely,

Roland Mossig, Noctua CEO

This manual will guide you through the installation process

of the SecuFirm2™ mounting system step by step.

Prior to installing the cooler, please consult the compatibility

list on our website (www.noctua.at/compatibility) and verify

that the cooler is fully compatible with your motherboard.

In particular, if your motherboard does not come with a

pre-installed stock backplate, double check that there are

no components on the rear side that would prevent the

installation of the NM-ABP4 backplate.

Noctua cannot be held responsible for any damage or

losses caused by compatibility issues.

Should you encounter any difculties, 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

NOCTUA NH-L9a-AM4 chromax.black

INSTALLATION MANUAL

AMD

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your phone.

Required mounting parts:

Removing the stock retention module & backplate1

Even with high-grade products and strict quality control, the

possibility of defects cannot be eliminated entirely. Therefore,

we aim at providing the highest possible level of reliability and

convenience by offering a warranty period of 6 years and

direct, fast and straightforward RMA service.

Should you encounter any problems with your NH-L9a-AM4

chromax.black, please don’t hesitate to contact our support

team (support@noctua.at).

Please also consult the FAQ section on our website:

www.noctua.at/faqs

Warranty, support and FAQs!

Connect the fan to the motherboard.

Depending on your CPU and the temperature inside the

case, you may interconnect the supplied NA-RC7 Low-Noise

Adaptor (L.N.A.) in order to further reduce the fan’s operating

noise.

Caution: When using the L.N.A., check the temperature of

your CPU using appropriate software (e.g. the respective

applications of your motherboard manufacturer), in order to

evade automatic throttling of the CPU due to the increased

temperature. If the cooling performance is insufcient, please

increase case ventilation or remove the L.N.A.

In case you would like to use a 92x25mm fan for further

improved performance, please rst unscrew the preinstalled

NF-A9x14 fan and use the supplied longer screws to install

the 92x25mm fan.

Fan setup4

Caution: Gently tighten the screws until they stop, but don’t

use excessive force (max. torque 0.6 Nm).

Put the heatsink onto the CPU and the supplied NM-ABP4

backplate to the rear side of the motherboard. Now stick the

mounting screws through the holes of the backplate and x the

cooler. Perform 3 turns on each screw, then repeat until all are

fully tightened.

Fastening the heatsink to the CPU3

2x NM-AFB6

fastening brackets

4x NM-ABT1

mounting screws

ABP4 backplate

If your motherboard comes with a pre-installed CPU cooler

retention module, please rst remove it by unscrewing it from

the backplate. Then remove the backplate.

If your motherboard does not come with a pre-installed CPU

cooler retention module and backplate, please proceed with

step 2.

If there are residual traces of thermal paste or thermal pads on

your CPU, please clean them off rst. Then press a small drop

(4-5mm diameter) of the supplied NT-H1 thermal compound

onto the centre of the heatspreader.

Applying the thermal paste2

Caution: Applying too much thermal paste will lower heat

conductivity and cooling performance!

Caution: Please make sure that the insulated side of the back-

plate is facing the motherboard.

Produkt Specifikationer

Mærke:	Noctua
Kategori:	Hardwarekoeling
Model:	NH-L9A-AM4
Type:	Køler
Bredde:	92 mm
Dybde:	37 mm
Højde:	114 mm
Vægt:	465 g
Produktfarve:	Beige, Nickel
Pakkevægt:	770 g
Pakkedybde:	53 mm
Pakkebredde:	148 mm
Pakkehøjde:	212 mm
Omdrejningshastighed (min.):	600 rpm
Omdrejningshastighed (maks.):	2500 rpm
Materiale:	Aluminium, Copper, Nickel
Harmoniseret systemkode (HS):	84733080
Luftstrøm:	57.5 m³/t
Hovedkassen højde (udvendigt):	460 mm
Hovedkassens længde (udvendigt):	250 mm
Hovedkassens bruttovægt (udvendigt):	19700 g
Hovedkassens bredde (udvendigt):	440 mm
Produkter pr. hovedkasse (udvendigt):	24 stk
Spænding:	12 V
Gennemsnitstid mellem fejl (MTBF):	150000 t
Støjniveau (høj hastighed):	23.6 dB
Antal blæsere:	1 blæser(e)
Passende til rumtype:	Processor
Ventilator diameter:	92 mm
Strømforsyning:	2.52 W
Kompatibel processor serie:	AMD A
Ventilatorstik:	4-polet
Understøttede procesorsokler:	Stik AM4
Understøttelse af puls-bredde modulering (PWM):	Ja
Maksimalt lufttryk:	2.11 mmH2O
Ventilator dimensioner (BxDxH):	92 x 14 x 92 mm
Dimensioner for kølelegeme (BxDxH):	92 x 23 x 114 mm
Kølelegemets vægt:	390 g
Lejetype:	Self-Stabilising Oil-pressure Bearing (SSO)
Lamelmateriale:	Aluminium
Støvniveau med LNA (maks.):	14.08 dB
Rotationshastighed med LNA (maks.):	1800 rpm
Luftgennemstrømning med LNA (maks.):	40.08 m³/t
Lyddæmpende adapter (LNA):	Ja