---
product_id: 625554958
title: "Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler"
brand: "noctua"
price: "$208.28"
currency: USD
in_stock: true
reviews_count: 13
category: "Noctua"
url: https://www.desertcart.us/products/625554958-noctua-nh-l12sx77-quiet-high-performance-low-profile-cpu-cooler
store_origin: US
region: United States of America
---

# 120mm slim NF-A12x15 fan with PWM & Low-Noise Adaptor Compact 77mm height fits tight ITX/SFF builds 6 heatpipes for superior thermal management Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler

**Brand:** noctua
**Price:** $208.28
**Availability:** ✅ In Stock

## Summary

> ❄️ Cool in Compact Spaces, Loud in Performance, Silent in Presence!

## Quick Answers

- **What is this?** Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler by noctua
- **How much does it cost?** $208.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/625554958-noctua-nh-l12sx77-quiet-high-performance-low-profile-cpu-cooler)

## Best For

- noctua enthusiasts

## Why This Product

- Trusted noctua brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Space-Savvy Design:** Ultra-low 77mm profile fits perfectly in compact ITX and Small Form Factor cases.
- • **Thermal Powerhouse:** Six heatpipes deliver elite cooling performance even under heavy loads.
- • **Premium Cooling Kit:** Includes high-end NT-H2 thermal paste for effortless installation and maximum heat transfer.
- • **Whisper-Quiet Efficiency:** Optimized slim fan with PWM and Low-Noise Adaptor keeps noise below 24dB.
- • **Plug & Play Compatibility:** SecuFirm2 mounting supports Intel LGA1851/1700/1200/115x & AMD AM5/AM4 sockets.

## Overview

The Noctua NH-L12Sx77 is a premium low-profile CPU cooler engineered for compact ITX and Small Form Factor builds. Featuring six copper heatpipes and a highly optimized 120mm slim fan with PWM control and Low-Noise Adaptor, it balances powerful cooling with near-silent operation under load. At just 77mm tall, it fits snugly in tight chassis like the Fractal Design Terra, while the included NT-H2 thermal paste and SecuFirm2 mounting system ensure easy installation across a wide range of Intel and AMD sockets. Ideal for professionals seeking high-performance, quiet, and space-efficient cooling solutions.

## Description

Buy Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler | 77mm Height, ITX SFF Low-Noise Cooling, 6 Heatpipes, For Intel & AMD, 120mm Slim Fan, Rich Accessory Kit: CPU Cooling Fans - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Noctua NH-L12Sx77 — Perfect Fit for My Fractal Terra Build - The Noctua NH-L12Sx77 ended up being exactly what I needed for my Fractal Design Terra. The fit is spot on—at 77mm it basically uses every bit of available clearance, and it honestly feels like it was designed specifically for this case. No awkward compromises or clearance issues, which is rare in SFF builds. Not only does it look great! What surprised me most is how well it cools. Even in a tight case like the Terra, temps stay controlled during gaming and normal workloads, and it does it quietly. Installation was straightforward, and the overall build quality is typical Noctua—solid and well thought out. Bottom line: In my setup, this cooler just works. Clean fit, strong cooling, and very quiet—exactly what you want in a compact build.
Review: Beautiful Performance - Used this in a SSF (Fractal Terra) Case. It was a perfect fit! Best CPU cooler for this case due to the fan being under the radiator. This setup eliminated the noise created from the fan being too close to the case grill/cover. Cooling is always a challenge with these Small Form Factor (SSF) builds but this thing does a nice job of cooling the CPU. If I had anything negative to say, it would be the price! It's Noctua. It's a beautiful piece of art but man do you pay for it!

## 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)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CWH97GKV |
| Best Sellers Rank | #123 in Computer CPU Cooling Fans |
| Brand | Noctua |
| Brand Name | Noctua |
| Compatible Devices | Desktop |
| Cooling Method | Air |
| Customer Reviews | 4.5 out of 5 stars 199 Reviews |
| Item Dimensions L x W x H | 5.04"L x 5.16"W x 3.03"H |
| Item Weight | 540 g |
| Manufacturer | Noctua |
| Material Type | Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating |
| Model | NH-L12Sx77 |
| Noise Level | 23.9 db |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | NH-L12Sx77 |
| Power Connector Type | 4-Pin |
| Product Dimensions | 5.04"L x 5.16"W x 3.03"H |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Wattage | 1.56 watts |

## Product Details

- **Brand:** Noctua
- **Cooling Method:** Air
- **Manufacturer:** Noctua
- **Material:** Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
- **Noise Level:** 23.9 db
- **Number of Packs:** 1
- **Power Connector Type:** 4-Pin
- **Product Dimensions:** 5.04"L x 5.16"W x 3.03"H
- **Voltage:** 12 volts
- **Wattage:** 1.56 watts

## Images

![Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler - Image 1](https://m.media-amazon.com/images/I/71-BeBHzi9L.jpg)
![Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler - Image 2](https://m.media-amazon.com/images/I/71eVHBlQ8UL.jpg)
![Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler - Image 3](https://m.media-amazon.com/images/I/71grP5TSBwL.jpg)
![Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler - Image 4](https://m.media-amazon.com/images/I/71FGo3A711L.jpg)
![Noctua NH-L12Sx77, Quiet High-Performance Low-Profile CPU Cooler - Image 5](https://m.media-amazon.com/images/I/81tlpNT9VFL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Noctua NH-L12Sx77 — Perfect Fit for My Fractal Terra Build
*by J***M on April 16, 2026*

The Noctua NH-L12Sx77 ended up being exactly what I needed for my Fractal Design Terra. The fit is spot on—at 77mm it basically uses every bit of available clearance, and it honestly feels like it was designed specifically for this case. No awkward compromises or clearance issues, which is rare in SFF builds. Not only does it look great! What surprised me most is how well it cools. Even in a tight case like the Terra, temps stay controlled during gaming and normal workloads, and it does it quietly. Installation was straightforward, and the overall build quality is typical Noctua—solid and well thought out. Bottom line: In my setup, this cooler just works. Clean fit, strong cooling, and very quiet—exactly what you want in a compact build.

### ⭐⭐⭐⭐⭐ Beautiful Performance
*by F***K on December 15, 2025*

Used this in a SSF (Fractal Terra) Case. It was a perfect fit! Best CPU cooler for this case due to the fan being under the radiator. This setup eliminated the noise created from the fan being too close to the case grill/cover. Cooling is always a challenge with these Small Form Factor (SSF) builds but this thing does a nice job of cooling the CPU. If I had anything negative to say, it would be the price! It's Noctua. It's a beautiful piece of art but man do you pay for it!

### ⭐⭐⭐⭐⭐ Not cheap but it works great. Big fan is quiet.
*by S***N on November 5, 2025*

Not cheap but high quality. Replaced the crummy stock cooler in my Lenovo Ideacenter PC that didn't even cover the CPU fully. Now it can suck down the wattage without throttling. Monitored it while rendering video to stress it, at over 100W it was still below 70C and it never throttled. This is with an I7 14700.

## Frequently Bought Together

- Noctua NH-L12Sx77, Low-Profile CPU Cooler (120mm, Brown)
- Noctua NA-FG1-12 Sx2, Fan Grills for 120mm Fans (Set of 2, Black)
- Fractal Design Terra Jade - Wood Walnut Front Panel - Small Form Factor - Mini ITX Gaming case – PCIe 4.0 Riser Cable – USB Type-C - Anodized Aluminum Panels

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-29*