Noctua
Noctua NH-L12Sx77, Low-Profile CPU Cooler (120mm, Brown)
Bottom line: The Noctua NH-L12Sx77 ($79.95 on Amazon as of 2026-10-06): Six heatpipes add thermal headroom over the standard NH-L12S; main trade-off: 77mm is taller than the original, needs case clearance check.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Six heatpipes add thermal headroom over the standard NH-L12S
- ✓ 77mm height fits SFF cases like Fractal Terra and Louqe Raw S1
- ✓ NF-A12x15 slim PWM fan runs near-silent at idle
- ✓ SecuFirm2 fits LGA1851/1700/1200/115x plus AM5 and AM4
Cons
- ✗ 77mm is taller than the original, needs case clearance check
- ✗ Brown/beige color clashes with blacked-out ITX builds
- ✗ Single slim 120mm fan caps ceiling vs dual-tower coolers
- ✗ AM5 offset mounting adds a step for best efficiency
SpecPicks Verdict
SpecPicks scored Noctua NH-L12Sx77 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
- Performance-enhanced taller version of the award-winning NH-L12S: Six heatpipes for improved thermal headroom, increased clearance for better motherboard and RAM compatibility
- 77mm total height and bottom-to-top airflow direction for optimal acoustics and direct exhaust of hot air in compact cases, ideal for the Fractal Design Terra, Silverstone Milo ML12 or Louqe Raw S1 chassis
- Highly optimised NF-A12x15 slim 120mm fan with Low-Noise Adaptor and PWM for automatic speed control: full cooling performance under load, near-silent at idle
- Includes high-end NT-H2 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4 (offset mounting option for best efficiency)
- Perfect for powerful yet compact and quiet Small Form Factor builds and ITX systems, deluxe choice for Intel Core & Core Ultra (e.g. 285K, 265K, 245K) and AMD Ryzen (e.g. 9950X, 9900X, 9700X, 9600X)
Full Specifications
| Brand | Noctua |
|---|---|
| Model | NH-L12Sx77 |
| Voltage | 12 Volts |
| Wattage | 1.56 watts |
| Material | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating |
| Unit Count | 1.0 Count |
| Noise Level | 23.9 Decibels |
| Part Number | NH-L12Sx77 |
| Material Type | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating |
| Cooling Method | Air |
| Number of Items | 1 |
| Number of Packs | 1 |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Item Dimensions L x W x H | 5.04"L x 5.16"W x 3.03"H |
Ready to buy?
Noctua NH-L12Sx77, Low-Profile CPU Cooler (120mm, Brown) 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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