Noctua NH-L9a-AM4 chromax.Black, Low-Profile CPU Cooler for AMD AM4 (Black)
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Camden
> 3 dayInstallation is HARD, but other than that 5 stars all around. I would reccomend two people for intsall then easy.
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John A
> 3 dayIm using the cooler in a small computer installation where quiet operation of this component is very important.
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Matthew Almazan
> 3 dayThis thing sits lower than my ram it’s amazing! Thermals are great and it allowed me to get that clearance I needed to vertically mount my gpu in my ITX case! Super quiet as well easy to install! Worth every penny! (UPDATE 1 MONTH LATER) suddenly got frame rate drops and couldnt understand why so I ran a test and found out my cpu fan wasnt spinning. Low noise adapter that the cooler came with went out but I just used an extender my case manufacturer provided so were all set. Honestly sounds the same in volume still a 5 star for me.
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Manuel Aranda Jr
> 3 daySo i got a new small itx case where my AIO is not able to fit. I bought this to cool my Ryzen 2700x and it works great. I play games mostly so cpu isnt intense. Its average is about 45c and ive seen it go as high as 75c during cinebench (cpu bench test). This is basically an open air case with alot of airflow. Im running it with a 3080ti. No issues at all with performance. Definitely recommend. Gpu tops out at 70c while gaming. Fyi. Very low fan noise.
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Victor
> 3 dayLowered my temperatures right away, from 42 idle on stock cooler to 36C on my Ryzen 5 5600G and while gaming my temps went down from 86C to 69C, it would be even lower if I hadn’t decided to keep the build in a tight space.
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young person
> 3 dayI bought this cooler to replace my AIO that was in my SFF build. It is quiet but I do think my CPU runs a bit hotter now, but not a lot. I bought it to match the rest of my noctua fans. I recommend this fan to anyone with a low profile build.
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nicole chetwood
> 3 dayBUY THIS.... I have bought 3 (one for myself and two for my parents build). Best. Friend who helped me build my PC also bought two of these instead of going for water cooling cuz its easier and cheaper.
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JP
> 3 daythe l9a needs no introduction, if youre looking for a cooler of this size, its impossible to beat. its a little pricy for the cooling it offers, but its quiet and keeps my ryzen 5 3600 nice and cool.
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Joshua
> 3 dayI bought this because online reviews said it made for easy install. Not so for AMD. You have to remove the backplate. The worst part is then you must hold the backplate while someone holds the cooler so you can get the screws in. All this while theres thermal paste on it that you absolutely cannot get onto the circuits.
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A Z A R
> 3 dayNot the coolest temperature but what do you expect? It is small. My gaming system does not overheat with this even though mounted to limited space.
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 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. |
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. |
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
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.
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| 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 |