Quick Summary
The Noctua NH-U12S redux is a CPU cooler with an NF-P12 redux-1700 PWM 120mm fan. It is described as a streamlined redux line version of the NH-U12S heatsink, with a slim 120mm size for case and component compatibility.
The fan uses PWM automatic speed control, and the description also includes NT-H1 thermal paste and the SecuFirm2 mounting system.
Who It Is Best For
This cooler is for buyers looking for a 120mm CPU cooling solution with a slim profile and support for a wide range of Intel and AMD sockets. It also suits anyone who wants to check case height, RAM clearance and PCIe clearance before ordering.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Noctua, for buyers looking for the identified model range. |
| Model | NH-U12S redux. |
| Fan | NF-P12 redux-1700 PWM 120mm fan with automatic speed control. |
| Heatsink size | Slim 120mm size, which is relevant for case, RAM and PCIe compatibility. |
| Case height | Fits most tower cases with 158mm height. |
| Clearance | Does not overhang the RAM slots and does not block the PCIe on most ATX and Micro-ATX motherboards. |
| Included items | NT-H1 thermal paste and SecuFirm2 mounting system. |
| Socket support | Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4. |
| Colour | Grey. |
Why Buyers Choose It
- The slim 120mm size is useful where case space, RAM clearance or PCIe clearance matters.
- PWM fan control allows automatic speed adjustment according to operating demand.
- NT-H1 thermal paste and the SecuFirm2 mounting system are included, so the required mounting items are listed together.
What To Know Before You Buy
Check your case height allowance, as the cooler is stated to fit most tower cases with 158mm height. Confirm your motherboard socket and variation before ordering, especially if you need Intel LGA1851, LGA1700, LGA1200, LGA115x or AMD AM5 and AM4 support. The slim size is a key part of the design, so it is worth checking RAM and PCIe clearance in your build.
Common Buyer Questions
Which sockets does it support?
It is listed for Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4.
What is included in the box?
NT-H1 thermal paste and the SecuFirm2 mounting system are included.
Will it suit a compact build?
The slim 120mm size is presented as beneficial for case, RAM and PCIe compatibility, so it is worth checking your available space before ordering.
Does the fan control itself automatically?
The NF-P12 redux-1700 fan uses PWM for automatic speed control.
Final Buying View
This is a slim 120mm CPU cooler for buyers who need stated socket support and careful clearance in a tower build. Confirm your case height, socket type and component spacing before choosing the grey NH-U12S redux.












