Noctua NH-U9S CPU Cooler Review

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You would have thought there was only a certain few ways to cool a CPU but apparently there is not. We have a second small form factor CPU cooler on test from Noctua and we didn’t hold back testing on this one either. Just like the NH-D9L it is a 95mm fan which comes in a single fan configuration, with capability of a second fan if required. What more is there to be said, let’s get on.

From the Noctua site –

Noctua NH-U9S

Continuing the renowned legacy of Noctua’s award-winning NH-U9 series, the NH-U9S is a premium quality quiet CPU cooler in classic 9cm size. Its asymmetrical design with 5 heatpipes not only provides even better cooling performance than the previous generation but also improves compatibility: Thanks to its 95x95mm footprint, the NH-U9S clears the RAM and PCIe slots on all Intel and most AMD based mainboards, including µATX and ITX. Combined with its 125mm height, this makes the NH-U9S a highly versatile solution with excellent case, RAM and PCIe compatibility. The included NF-A9 premium fan supports automatic speed control via PWM for outstanding quietness of operation and a second, optional NF-A9 fan can be added for further improved performance in dual fan mode. Topped off with the trusted, pro-grade SecuFirm2™ multi-socket mounting system, Noctua’s proven NT-H1 thermal compound and full 6 years manufacturer’s warranty, the NH-U9S is a deluxe choice through and through.


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

  • NH-U9S Features S version with better compatibility
  • NH-U9S Features 100% RAM compatibility
  • NF-A15 NF-A9 premium fan
  • NH-U9S Features PWM support and Low-Noise Adaptor
  • NH-U9S Features Dual fan ready
  • NH-U9S Features SecuFirm2™ mounting system
  • NH-U9S Features Compatibility with past and future sockets
  • NF-A15 NT-H1 thermal compound
  • NH-U9S Features 6 years warranty

Socket Compatibility

Intel LGA2011-0 & LGA2011-3 (Square ILM), LGA1156, LGA1155, LGA1150 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required)

The NH-U9S is aimed at the Small Form Factor chassis that need a lot of design appreciation for space and clearance. It has a 95x95mm footprint like the NH-D9L  and not much bigger than the footprint stock Intel cooler. The NH-U9S is also offering a 140W TDP or thermal design power on the LGA2011-3 socketed CPU’s, which is right on the money for the Intel i7-5820K.

Product Shots

The familiar Noctua packaging.




The fan is revealed in the usual Noctua colours.

Noctua NH-U9S CPU Cooler Review

Package - 9.2
Performance - 8.5
Price - 9
Consumer Experience - 9.2


If you want big block CPU cooler performance in your small chassis, this maybe for you. From a consumer experience point of view, there isn’t anything bad about this cooler, and there is a lot good about it, though go for the two fan option, and you will sleep well at night.

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