NH-L9a-AM4

37mm low-profile cooler for AMD AM4

Ultra-compact low-profile

37mm total height, 100% RAM- and PCIe-compatibility

Slim NF-A19x14 92mm fan

With PWM support and Low-Noise Adaptor

Customised for AMD AM4

Perfect for ultra-compact systems with AMD Ryzen

Not suitable for CPUs that create high heat loads. Check CPU compatibility before purchase!

60 reviews & awards

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With the NH-L9a-AM4 there are almost no other options this thin in the first place, so just being able to find a heatsink this thin that can run high-end CPUs at all is great. Then with the NH-L12S, well it ends up being a great performer in that sub 80mm range. With both of them it is very dependent on the space you have in your SFF build. I wouldn’t run the NH-L9a-AM4 if I could fit one of the better performing taller coolers or the NH-L12S if I could get a larger heatsink or an AIO in. But in their specific size requirements, both have great performance in both cooling and noise.

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