Noctua NH-L9a-AM4 chromax.Black, Low-Profile CPU Cooler for AMD AM4 (Black)

(417 Reviews)

Price
$32.97

Quantity
(10000 available )

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104 Ratings
84
11
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Reviews
  • Rankmantella

    > 3 day

    This is my first noctua product and I’m very impressed with build quality and packaging. Used this on b550i rig strix mobo in a nr200p case

  • Camden

    > 3 day

    Installation is HARD, but other than that 5 stars all around. I would reccomend two people for intsall then easy.

  • Ben

    > 3 day

    Awesome fan, but they should have a compatibility chart on each cpu cooler.

  • Rob

    > 3 day

    Great cooler outperforms similar-sized coolers with higher specs. Great mounting system, quality manufacturing. Great for CPUs with 65w TDP in SFF builds.

  • LH

    > 3 day

    Good quality material but combined with the stock fan the stock AMD wraith cooler can fit almost every application this can and perform 30% better. However, when I hooked up a 120mm fan to this, it outperformed the wraith by 30%.

  • Mr. Oren Ledner Sr.

    > 3 day

    Super quite. Way nicer than the stock AMD coolers

  • Gary

    > 3 day

    This guy is like me. Slim and handsome :p

  • Javier

    07-06-2025

    My own experience: I had a loud small PC, it had the AMD stock cooler for Ryzen 3400G and it was loud along with the Silverstone flex ATX, once I got this CPU cooler half the noise went away and by half, meant no more noise from CPU cooling, just from the power supply!

  • methos

    > 3 day

    Great product, it knocked my CPU temperature down 20 degrees C vs. my stock ryzen wraith. I only took a star off because it is very difficult to install without removing your motherboard. For a new build it would be easy but if you are upgrading it will be a challenge. Also there are no extra screws so if one rolls off somewhere you might be in for trouble.

  • Apes_Vs_Grapes

    > 3 day

    I got this mounted and started benchmarking but exchanged it for a low profile AIO.

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The NH-L9a-AM4 chromax.black is an all-black version of Noctua’s award-winning NH-L9a-AM4 low-profile quiet CPU cooler for AMD Ryzen based HTPCs and Small Form Factor (SFF) builds. Thanks to the same proven heatsink design and NF-A9x14 PWM fan, it stays true to the NH-L9a-AM4’s successful formula of fusing a height of only 37mm with strong performance and excellent quietness of operation, as well as 100% RAM and PCIe compatibility. At the same time, the chromax.black version with its black fan and black coated heatsink combines these assets with a sleek stealth look. Topped off with the renowned SecuFirm2 low-profile mounting system for AMD AM4 and Noctua’s enthusiast-grade NT-H1 thermal compound, the NH-L9a-AM4 chromax.black is a premium choice for customers who seek an ultra-compact heatsink that looks just as great as it cools.

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37mm low profile

Due 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 compatibility

The 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-ITX

Some 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.

Custom-designed SecuFirm2 mounting for AM4

The 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.

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Measurements
  • Height (without fan): 23 mm
  • Width (without fan): 114 mm
  • Depth (without fan): 92 mm
  • Height (with fan): 37 mm
  • Width (with fan): 114 mm
  • Depth (with fan): 92 mm
  • Weight (without fan): 390 g
  • Weight (with fan): 465 g
Materials

Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating

Cooler Specifications

Please Note:

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.

Scope of delivery

  • NF-A9x14 HS-PWM chromax.black premium fan
  • NA-RC7 Low-Noise Adaptor (L.N.A)
  • NT-H1 high-grade thermal compound
  • Black SecuFirm2 AM4 mounting kit
  • Black screws for 92x92x25mm fans
  • Metal Case-Badge
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chromax.black design

The NH-L9a-AM4 chromax.black is black from head to toe: Featuring a black coated heatsink, a black fan with black anti-vibration-pads, black fan screws and black mounting parts, it’s right at home in all-black builds and easy to integrate with other colour schemes.

NH-L9i table NH-L9i table NH-L9a-AM4 Table NH-L9i-17xx chromax.black NH-L9i-17xx chromax.black NH-L9a-AM4 chromax.black table
NH-L9i NH-L9a-AM4 NH-L9a-AM5 NH-L9i chromax.black NH-L9a-AM4 chromax.black NH-L9a-AM5 chromax.black
LGA2066, LGA2011-0 & LGA2011-3 X X X X X X
LGA1700 X X X X X X
LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) X X X X
LGA775 & LGA1366 X X X X X X
Xeon LGA2011 Narrow ILM / Xeon LGA1366 & LGA1356 X X X X X X
Xeon LGA3647 X X X X X X
Xeon LGA4189 X X X X X X
AM4 with NM-AM4-L9aL9i with NM-AM4-L9aL9i with NM-AM4-L9aL9i with NM-AM4-L9aL9i
AM5 with NM-AM5-L9aL9i with NM-AM5-L9aL9i with NM-AM5-L9aL9i with NM-AM5-L9aL9i
sTRx4, sWRX8, TR4, SP3 X X X X X X

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