NH-L9a-AM4

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• Products
  • CPU coolers retail
  • CPU coolers workstation & server
  • Fans
  • Thermal compound
  • Accessories
    • Heatsink covers
    • Mounting kits
    • Fan mounting & anti-vibration
    • Fan control
    • Cables and adaptors
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    • Fan kits
    • Screwdrivers
    • Fan grills
    • Fan hubs
  • Noctua HOME
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  • Product lines
    • IndustrialPPC
    • Chromax
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    • Noctua HOME
  • Overview: Noctua product lines
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    • CPU coolers
  • Roadmap of upcoming products
• Technologies
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  • Support
  • Buying guides
  • FAQs
  • Compatibility Lists (Noctua Compatibility Centre)
  • Installation Manuals
  • Installation Videos
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  • Fan mounting clips
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About NoctuaLegal InformationContact us NH-L9a-AM4

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NH-L9a-AM4 SPECIFICATIONS VIDEOS Reviews Service ACCESSORIES Buy The NH-L9a-AM4 is the latest, AM4-specific revision of Noctua’s award-winning NH-L9a low-profile CPU cooler for AMD Ryzen-based HTPCs and Small Form Factor (SFF) systems. At a height of only 37mm, the NH-L9a is ideal for extremely slim cases and, due to its small footprint, it provides 100% RAM and PCIe compatibility as well as easy access to near-socket connectors even on tightly packed mini-ITX motherboards. The custom-designed SecuFirm2™ mounting system for the AM4 socket makes installation child’s play and, thanks to the highly optimised NF-A9x14 92mm fan that supports fully automatic speed control via PWM, the NH-L9a-AM4 runs remarkably quietly. Topped off with Noctua’s renowned NT-H1 thermal compound, the NH-L9a-AM4 combines everything users have come to expect from Noctua’s larger coolers into a super-compact, premium-quality package for ITX and HTPC builds with Ryzen CPUs or APUs. The NH-L9a-AM4 is a highly compact, quiet low-profile cooler designed for use in small form factor cases and HTPC environments. While it provides first-rate performance in its class, it is not suitable for overclocking and or CPUs that create high heat loads. Please consult our CPU compatibility list to find out whether the NH-L9a-AM4 is recommended for your CPU/APU. / Details New revision for Ryzen’s AM4 socketSince the original NH-L9a for AM2(+), AM3(+), FM1 and FM2(+) has received more than 50 awards and recommendations from international hardware websites and magazines, the new AM4 revision builds on the same proven heatsink design to provide excellent low-profile cooling performance for Ryzen CPUs and APUs. 37mm low profileDue to the slim 23mm heatsink and the NF-A9x14 low profile fan that measures only 14mm in thickness, the NH-L9 stands a mere 37mm tall, which makes it ideal for use in compact HTPCs or Small Form Factor cases that offer minimum clearance for CPU coolers. 100% RAM compatibilityThe NH-L9a-AM4 has a compact footprint that fully complies with the socket keep-out zones specified by AMD. This means that neither the heatsink nor the fan overhang the RAM, so the cooler provides easy access to the slots and is fully compatible with tall memory modules. 100% compatibility with PCIe cards on mini-ITXSome AMD-based mini-ITX motherboards have the PCIe slot located close to the CPU socket zone. While larger coolers that exceed this zone may block the PCIe slot, the compact-sized NH-L9a-AM4 provides full compatibility with PCIe cards. Easy access to near-socket connectorsMany low-profile coolers use larger fans or heatsinks in order to achieve sufficient performance, but by protruding over the socket zone, they make it difficult or even impossible to reach near-socket connectors on tightly packed ITX motherboards. Thanks to its compact footprint, the NH-L9a-AM4 provides easy access to all connectors and components. NF-A9x14 PWM premium fanThe highly optimised, award-winning NF-A9x14 premium fan features Noctua's proprietary AAO frame as well as sophisticated aerodynamic design measures. Supporting PWM for fully automatic speed control, the NF-A9x14 allows the NH-L9a to stay remarkably quiet. Low-Noise AdaptorAllowing the maximum speed of the NF-A9x14 PWM fan to be reduced from 2500 to 1800rpm, the included Low-Noise Adaptor (LNA) makes it possible to achieve near-silent setups with suitable CPUs/APUs that only create smaller heat loads. Custom-designed SecuFirm2™ mounting for AM4The NH-L9a-AM4 comes with a custom-designed SecuFirm2™ mounting system for the AM4 socket of AMD’s Ryzen platform. Allowing the heatsink to be fixed from the back of the motherboard, it makes installation easier than ever, all while maintaining the trusted SecuFirm2™ quality. NT-H1 thermal compoundNoctua's much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability. Chosen again and again by overclockers and enthusiast users worldwide, it has established itself as a benchmark for premium-quality thermal compounds. 6-year manufacturer’s warrantyNoctua products are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the supplied NF-A9x14 features an MTTF rating of more than 150.000 hours and the entire NH-L9a package comes with a full 6-year manufacturer's warranty. See all 56 reviews for this product Product Details Notes and warnings The NH-L9a-AM4 is a highly compact, quiet low-profile cooler designed for use in small form factor cases and HTPC environments. While it provides first-rate performance in its class, it is not suitable for overclocking and or CPUs that create high heat loads. Please consult our CPU compatibility list to find out whether the NH-L9a-AM4 is recommended for your CPU/APU. Cooler Specification Socket compatibility AMD AM4 Height (without fan) 23 mm Width (without fan) 114 mm Depth (without fan) 92 mm Weight (without fan) 390 g Height (with fan) 37 mm Width (with fan) 114 mm Depth (with fan) 92 mm Weight (with fan) 465 g Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating NSPR 61 Max. TDP see NSPR Fan compatibility 92x92x14mm, 92x92x25mm Scope of delivery

• NF-A9x14 PWM premium fan
• Low-Noise Adaptor (L.N.A.)
• NT-H1 high-grade thermal compound
• SecuFirm2™ AM4 mounting kit
• Screws for 92x92x25mm fans
• Noctua metal case-badge

Warranty 6 Years FAN Specification Model Noctua NF-A9x14 PWM Bearing SSO2 Max. rotational speed (+/- 10%) 2500 RPM Max. rotational speed with L.N.A. (+/- 10%) 1800 RPM Min. rotational speed @ 20% PWM (+/-20%) 600 RPM Max. airflow 57,5 m³/h Max. airflow with L.N.A. 40,8 m³/h Max. acoustical noise 23,6 dB(A) Max. acoustical noise with L.N.A. 14,8 dB(A) Input power (max.) 2,52 W Voltage range 12 V MTTF > 150.000 h INSTRUCTIONS AND INFORMATION SHEETS (PDF) FAQs Motherboard Compatibility Case Compatibility CPU Compatibility RAM COMPATIBILITY Installation Manual (PDF) Information Sheet (PDF)

Disclaimer:We create and update our compatibility lists with the utmost care. Unfortunately, mainboard manufacturers tend to change certain components and heatsinks without pointing it out by using corresponding revision names. If you run into problems while installing our coolers on one of the mainboards listed as being compatible, please don't hesitate to contact our support team at support@noctua.at.Please also keep in mind that other components such as narrow or small cases as well as memory modules with special (higher) heat-spreaders can cause compatibility-issues.For use in systems from Dell, HP or Lenovo, please note this FAQ.

Can't find the motherboard you're looking for? Please don't hesitate to contact our support team at support@noctua.at in order to obtain compatibility information for motherboards that aren't listed below.

Our case compatibility list helps you to quickly identify which PC cases offer sufficient clearance for which Noctua CPU coolers. The compatibility indication is based on the height of the coolers (including fans) as well as the maximum CPU cooler height specification given by the chassis manufacturer. Caution: Please note that the fans of some tower coolers (especially larger models with 140mm fans, e.g. NH-D15 or NH-U14S TR4-SP3) may overhang the RAM slots and that this can cause compatibility issues if RAM modules taller than 32mm are used. While the fans can be moved upwards to increase RAM clearance, this will increase the total height of the cooler and thus requires additional clearance inside the chassis. As a rule of thumb, if the fan overhangs the RAM, the maximum CPU cooler height specification of the case must be at least the size of the fan plus the height of the RAM minus 7mm (accounting for the height of the socket and CPU). For example, if a cooler uses a 140mm fan that overhangs the RAM and 46mm tall RAM modules are used, the max. CPU cooler height specification should be at least 179mm (140+46-7=179). For further information and instructions on how to move up the fan for each cooler model, please click the height specification link. Disclaimer: We create and update our compatibility lists with utmost care. However, case manufacturers sometimes change parts or details of their products without prior notice or explicitly indicating a revision. Therefore, Noctua cannot accept any liability, nor in any other way be held responsible, for the following compatibility information.

Can't find the case you're looking for? Please don't hesitate to contact our support team at support@noctua.at in order to obtain compatibility information for cases that aren't listed above.

When modern CPUs use their turbo modes, they can (depending on the configuration of the UEFI BIOS) dissipate much more heat than indicated by the manufacturer’s TDP (Thermal Design Power) specification. Just like manual overclocking, this puts higher demands on the cooling solution. Our CPU compatibility list helps you to choose the cooler model that is best suited for a given CPU and your individual requirements as far as turbo and overclocking headroom are concerned. We classify our coolers according to the following categories: best turbo/overclocking headroom medium turbo/overclocking headroom low turbo/overclocking headroom compatible without turbo/overclocking headroom compatible with certain restrictions (see comment) incompatible (see comment)

For further information on CPUs exceeding their TDP ratings and how to configure the UEFI BIOS in order to avoid excessively high temperatures, please see this FAQ.

Please also see our general buying guide, motherboard compatibility list and FAQs for further help on how to select the best cooler for your configuration.

Can't find the CPU you're looking for? Please don't hesitate to contact our support team at support@noctua.at in order to obtain compatibility information for CPUs that aren't listed here.

1. NA-FC1
   • Compact, highly flexible controller for 4-pin PWM fans
   
2. NA-SEC1
   • 4-Pin Extension Cables
   
3. NA-STPG1
   • Thermal Paste Guard and Cleaning Set for AMD AM5 CPUs
   • Pack contains 10 individually packed wipes
   
4. NM-AM5-L9aL9i mounting-kit
   • The NM-AM5-L9aL9i SecuFirm2™ mounting-kit makes Noctua NH-L9a, NH-L9a-AM4 and NH-L9i CPU coolers compatible with AMD's AM5 socket.
   

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