Noctua NH-L9x65 CPU Cooler Review


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Noctua NH-L9x65 Low Profile CPU Cooler Review

By Julian Duque

Manufacturer: Rascom Computer distribution dba Ges.m.b.H.
Product Name: Noctua NH-L9x65
UPC: 842431012517
Price As Tested: $55.99 (Amazon)

Full Disclosure: The product sample used in this article has been provided by Noctua.

Last week, while we took a look at Scythe’s new releases for 2015 we discussed the importance of Scythe’s heavy investment in research and how it has changed the cooling market over the years. Although more popular, today’s review comes thanks to a company with a very similar business philosophy. Noctua is an Austrian company most commonly known to enthusiasts for making class leading silent cooling solutions which is not normally what we expect from a small cooler, as they are usually the opposite. The Noctua NH-L9x65 is a step forward in Noctua’s line of small profile coolers and thus it comes into this review with high remarks.

Measuring just 65 mm by 95 mm by 95 mm makes the Noctua NH-L9x65 the smallest cooler we have reviewed so far in 2015. Of course, Noctua is not marketing this product to overclockers and performance users, but rather to the growing number of users of small form factor (SFF) cases in environments like HTPCs. This is greatly evidenced by Noctua’s TDP guidelines of the NH-L9x65 which lists a clear warning about using the NH-L9x65 with any Intel Haswell chip with a thermal dissipation power (TDP) of above 88 W such as the I7 4790k.


Air-Cooling VS Water-Cooling

There are several misconceptions when it comes to the ordeal of choosing a cooler for your processor. It is true that Water-Cooling may yield better cooling results, mostly due to water’s higher thermal conductivity when compared to the ethanol and ammonia mixture found in most heat-pipes based coolers. But that does not mean that air coolers should not be considered as an option for enthusiasts. Unlike water-coolers, air-coolers do not need a pump, and can be “Passively Cooled” for quieter operation. Although pumps have become more silent and reliable, they should still be considered as another moving part inside your system that may be subject to failure, as well as being a source of noise. Another important factor to take into consideration when choosing the right CPU cooler is compatibility, Most heatsinks require certain parameters to be met including the CPU cooler height limit of your case, and motherboard clearance compatibility. In contrast, water-coolers only require a place to mount the radiator inside your case, as most CPU blocks are small enough to not interfere with important components near the CPU socket.

Features & Specifications

Courtesy of Noctua.at

Socket Compatibility Intel LGA2011-0 & LGA2011-3 (Square ILM), LGA1156, LGA1155, LGA1150 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required for AMD).
Dimensions Without Fan 51 mm x 95 mm x 95 mm
Dimensions With Fan 65 mm x 95 mm x 95 mm
Total Weight 413 g
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Fan Compatibility 92x92x14, 92x92x25
Scope of Delivery NF-A9x14 PWM premium fan Low-Noise Adaptor (L.N.A.)NT-H1 high-grade thermal compound SecuFirm2™ Mounting KitNoctua Metal Case-Badge
Warranty 6 Years



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