Noctua NH-L9i-17xx vs Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat
Updated August 2026 — Noctua NH-L9i-17xx wins on warranty and cooling performa, Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat wins on compatibility and aesthetics.
The Noctua NH-L9i-17xx excels in compact environments and silent operation, while the Thermalright PS120SE ARGB offers great value and aesthetics. Choose based on your specific needs.
Why Noctua NH-L9i-17xx is better
Compact Size
Only 37mm height for small builds
Noise Level
Whisper-quiet operation under load
Warranty
6-year warranty for reliability
Why Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat is better
Price
Cheaper at $34.94
Cooling Performance
7 heat pipes for efficient cooling
Aesthetics
Customizable ARGB lighting effects
Overall score
Specifications
| Spec | Noctua NH-L9i-17xx | Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat |
|---|---|---|
| Socket Compatibility | LGA1700/1851 | LGA1700/AM4/AM5 |
| Max Noise Level | ≤23.6 dB(A) | ≤25.6 dB(A) |
| Fan RPM | max 2000 | 1500±10% |
| Cooling Technology | Premium Heatsink | AGHP 4.0 |
| Thermal Paste | NT-H1 | Included |
Dimension comparison
Overview of the Noctua NH-L9i-17xx
The Noctua NH-L9i-17xx is a premium low-profile CPU cooler designed explicitly for Intel's LGA1700 and LGA1851 platforms. Priced at $49.95, it stands out for its compact design, measuring just 37mm in height, making it ideal for small form factor cases. This cooler is renowned for its performance, having received over 200 awards from international hardware websites. The award-winning NF-A9x14 slim fan operates quietly under load and is paired with high-quality thermal paste, enhancing its value for users seeking effective cooling solutions in tight spaces.
Overview of the Thermalright PS120SE ARGB
The Thermalright PS120SE ARGB CPU Air Cooler, priced at $34.94, is a robust option featuring seven heat pipes and dual 120mm PWM fans. This model is compatible with various CPU sockets, including Intel LGA1700 and AMD AM4/AM5, making it versatile for different builds. Standing at 154mm tall, it offers excellent cooling performance, with a maximum airflow of 66.17 CFM at a noise level of 25.6 dB(A). Its aesthetic appeal is further enhanced by ARGB lighting, providing up to 17 modes of light effects, which can be synchronized with the motherboard.
Performance Comparison
In terms of performance, the Noctua NH-L9i-17xx excels in compact environments, making it suitable for HTPCs and small builds. Its slim profile ensures compatibility with RAM and PCIe slots, crucial for space-constrained setups. On the other hand, the Thermalright PS120SE ARGB boasts a more traditional setup with its dual fans and seven heat pipes, promising efficient heat dissipation for a wide range of CPUs. While the Noctua cooler is designed for moderate heat loads, the Thermalright unit is engineered for more demanding tasks, making it a compelling choice for users with higher performance needs.
Design and Aesthetics
Both coolers offer unique designs tailored to different user preferences. The Noctua NH-L9i-17xx features a classic brown and beige color scheme that is synonymous with Noctua's brand identity, appealing to users who appreciate understated elegance. In contrast, the Thermalright PS120SE ARGB has a sleek black finish with vibrant ARGB lighting, making it an attractive option for those looking to enhance their build's visual appeal. The latter's customizable lighting effects can add a dynamic touch to any gaming or workstation setup, providing a modern aesthetic.
Installation and Compatibility
The Noctua NH-L9i-17xx is designed for easy installation, featuring the SecuFirm2 mounting system and coming with high-end thermal paste. Its compatibility with Intel's latest sockets ensures a seamless setup for users upgrading their systems. Similarly, the Thermalright PS120SE ARGB supports a wide range of CPU sockets, including multiple Intel and AMD options, making it versatile across various builds. However, the installation process may vary based on the specific socket used, requiring users to refer to included instructions or tutorials.
Noise Levels
When it comes to noise levels, the Noctua NH-L9i-17xx is known for its whisper-quiet operation, even under load. The NF-A9x14 fan is designed to provide full cooling performance while minimizing sound output, making it an excellent choice for users who prioritize a silent computing experience. In contrast, the Thermalright PS120SE ARGB operates at a maximum noise level of 25.6 dB(A), which is still relatively quiet but may be noticeable in a silent environment. Users seeking a cooler that offers near-silent operation may lean towards the Noctua model for its superior acoustic performance.
Price Comparison
The Noctua NH-L9i-17xx is priced at $49.95, while the Thermalright PS120SE ARGB comes in at $34.94, making it about 30% cheaper than its competitor. This significant price difference could influence budget-conscious buyers looking for effective cooling solutions without breaking the bank. However, the Noctua cooler justifies its higher price with its proven performance in compact cases and a longer warranty period, appealing to users who value quality and reliability over cost alone.
Which should you buy?
Choosing between the Noctua NH-L9i-17xx and the Thermalright PS120SE ARGB ultimately depends on your specific needs and preferences. If you require a compact, high-performance cooler designed for small form factor builds and prioritize silent operation, the Noctua NH-L9i-17xx is the clear choice. However, if you're looking for a more budget-friendly option with versatile compatibility and appealing aesthetics, the Thermalright PS120SE ARGB offers great value for its price. Both coolers have their strengths, so the decision should align with your overall system requirements and personal taste.

