Noctua NH-U12S Redux High Performance CPU Cooler and Second Fan kit NA-FK1 for Performance Upgrade Included
Status: Noctua NH-U12S Redux High Performance CPU Cooler…: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.
Bottom line: The Noctua NH-U12S Redux High Performance CPU Cooler and Second Fan kit: Slim 120mm tower clears RAM slots and PCIe on most ATX and Micro-ATX boards; main trade-off: secuFirm2 bracket list stops at AM4 and LGA2066 - no LGA1700 or AM5 support listed.
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Currently unavailable on Amazon. Not the same product — 2 in-stock alternatives:
Similar: Noctua NH-U12S — $79.95 on Amazon as of 2026-10-06 22:12 UTC (price may vary).
Similar: Noctua NH-U12S chromax.Black — $99.95 on Amazon as of 2026-10-06 22:13 UTC (price may vary).
Pros & Cons
Pros
- ✓ Slim 120mm tower clears RAM slots and PCIe on most ATX and Micro-ATX boards
- ✓ 158mm height fits most mid-tower cases without side-panel clearance issues
- ✓ Ships with the NA-FK1 second fan kit for push-pull out of the box
- ✓ NF-P12 redux-1700 fan uses PWM to stay near-silent at idle, ramping only under load
- ✓ SecuFirm2 mounting plus pre-applied NT-H1 paste covers LGA1150-2066 and AM4
Cons
- ✗ SecuFirm2 bracket list stops at AM4 and LGA2066 - no LGA1700 or AM5 support listed
- ✗ Single 120mm tower trails 140mm and dual-tower coolers on i9-11900K or 5950X loads
- ✗ Redux line drops the premium finish and accessory box of the standard NH-U12S
Manufacturer description
Noctua NH-U12S Redux High Performance CPU Cooler and second fan kit NA-FK1 for performance upgrade included
SpecPicks Verdict
SpecPicks scored Noctua NH-U12S Redux High Performance CPU Cooler and Second Fan kit… using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Noctua's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Streamlined, more affordable redux line version of the award-winning NH-U12S heatsink
- Slim 120mm size for excellent case, RAM and PCIe compatibility fits most tower cases (158mm height), doesn’t overhang the RAM slots, doesn’t block the PCIe on most ATX and Micro-ATX motherboard
- Quiet NF-P12 redux-1700 120mm fan with PWM for automatic speed control full cooling performance under load, near silent at idle!
- Pre-applied high-quality NT-H1 thermal paste & SecuFirm2 mounting system for easy installation on Intel LGA1150, LGA1151, LGA1155, LGA1156, LGA1200, LGA2011, LGA2066 and AMD AM4
- Renowned Noctua quality at an attractive price, smart choice for Intel Core i9, i7, i5, i3 (e.g. 11900K, 11700K, 10900K, 10980XE) and AMD Ryzen (e.g. 5950X, 5900X, 5800X, 5600X)
Full Specifications
| ASIN | B09DXKLH3K |
|---|---|
| Brand | Noctua |
| Voltage | 12 Volts |
| Wattage | 1.08 watts |
| Material | Nickel plated Copper (base and heat-pipes), aluminium (cooling fins) |
| Noise Level | 25.1 dB |
| Manufacturer | Noctua |
| Cooling Method | Air |
| Compatible Devices | Desktop |
| Product Dimensions | 4.92"L x 6.22"W x 2.8"H |
| Date First Available | August 29, 2021 |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 3500 RPM |
Ready to buy?
Noctua NH-U12S Redux High Performance CPU Cooler and Second Fan kit NA-FK1 for Performance Upgrade Included is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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