Noctua NH-D9L vs Noctua NH-D15S chromax.Black
Updated August 2026 — The Noctua NH-D15S chromax.Black offers superior cooling performance and features, making it the better choice for high-end builds, while the NH-D9L is ideal for compact setups and budget-conscious users.
The Noctua NH-D15S chromax.Black offers superior cooling performance and features, making it the better choice for high-end builds, while the NH-D9L is ideal for compact setups and budget-conscious users.
Why Noctua NH-D9L is better
compact size
NH-D9L is only 110mm tall, ideal for small cases
lower price
NH-D9L costs C$69.95, more affordable
ease of installation
NH-D9L is easier to install in tight spaces
Why Noctua NH-D15S chromax.Black is better
cooling performance
NH-D15S has a larger NF-A15 fan for better cooling
design accolades
NH-D15S has received over 150 awards for performance
RAM clearance
NH-D15S provides 65mm RAM clearance, better for larger builds
Overall score
Specifications
| Spec | Noctua NH-D9L | Noctua NH-D15S chromax.Black |
|---|---|---|
| Fan Type | NF-A9 | NF-A15 |
| PWM Support | Yes | Yes |
| Thermal Paste | NT-H1 | NT-H1 |
| Warranty | 6 years | 6 years |
| Socket Support | Intel LGA115x, AMD AM4 | Intel LGA115x, AMD AM4 |
Dimension comparison
Introduction to Noctua’s Offerings
When it comes to CPU coolers, Noctua is a brand synonymous with high performance and reliability. In this comparison, we will look at the Noctua NH-D9L and the Noctua NH-D15S chromax.Black. The NH-D9L is priced at C$69.95, while the NH-D15S chromax.Black comes in at C$149.95. Despite being from the same manufacturer, these coolers target different users with distinct needs.
Design and Size
The NH-D9L features a compact dual-tower design, standing at only 110mm tall, making it an excellent choice for small form factor builds such as HTPCs and ITX cases. This height ensures compatibility with most RAM and PCIe configurations without overhang. In contrast, the NH-D15S chromax.Black has a more robust design, measuring 160mm in height and featuring an asymmetrical, single-fan layout that delivers dual-tower performance. This design also allows for 65mm RAM clearance and ensures it won’t block PCIe slots on most ATX and Micro-ATX boards. Thus, if space is a premium, the NH-D9L may be the better option, while the NH-D15S chromax.Black provides more cooling potential for larger cases.
Cooling Performance
The cooling capabilities of the NH-D15S chromax.Black are superior, reflecting its higher price point. It is equipped with the renowned NF-A15 140mm fan, which, coupled with its dual-tower design, offers enhanced cooling efficiency. This model has received over 150 awards, indicating its effectiveness under load. The NH-D9L, on the other hand, utilises the NF-A9 92mm fan, which is designed for quiet operation and sufficient cooling in compact builds. While the NH-D9L is adequate for low to moderate heat scenarios, the NH-D15S chromax.Black is built for high-performance CPUs, making it the better choice for users with more demanding requirements.
Noise Levels
Both coolers are engineered for quiet operation, but there are distinctions in their fan technologies. The NH-D9L comes with a Low-Noise Adaptor and PWM support for automatic speed control, ensuring that it remains ultra-quiet during operation. The NH-D15S chromax.Black also features a Low-Noise Adaptor and PWM technology, allowing for whisper-quiet cooling at idle, even while delivering full performance under load. While both models are designed to minimize noise, users can expect that the larger NH-D15S chromax.Black might produce slightly more sound under heavy loads due to its higher cooling capacity.
Compatibility
In terms of compatibility, both coolers are designed with a wide range of Intel and AMD socket support. The NH-D9L can be installed on Intel LGA1851, LGA1700, LGA1200, LGA115x, and AMD AM5 & AM4 systems. The NH-D15S chromax.Black shares similar compatibility, supporting the same Intel and AMD sockets. However, due to its larger size, the NH-D15S chromax.Black may not fit in smaller cases that the NH-D9L can accommodate. Therefore, if you are building in a compact case, the NH-D9L is the more compatible option.
Installation Process
Both coolers feature the SecuFirm2 mounting system, which simplifies the installation process. The NH-D9L is particularly user-friendly due to its smaller size, allowing for easier manoeuvrability in tight spaces. The NH-D15S chromax.Black, while still easy to install, may require more effort due to its larger dimensions. Both coolers come with high-end NT-H1 thermal paste, ensuring optimal thermal conductivity upon installation. Therefore, while both models are straightforward to install, the NH-D9L may be more suitable for novice builders or those working in cramped environments.
Warranty and Build Quality
Both products are backed by Noctua's renowned quality, with a 6-year manufacturer’s warranty that speaks to their durability and reliability. The NH-D9L, with its compact and robust design, is built to last, while the NH-D15S chromax.Black, which has garnered numerous accolades, showcases its premium build quality. This strong warranty period gives consumers confidence in their investment, regardless of which cooler they choose.
Price Comparison
The NH-D9L is significantly more affordable at C$69.95, while the NH-D15S chromax.Black is priced at C$149.95. This price difference reflects the cooling performance and features offered by each model. The NH-D9L is targeted towards budget-conscious users or those with less demanding cooling needs. In contrast, the NH-D15S chromax.Black, with its advanced design and performance, is aimed at enthusiasts looking for superior cooling capability. Users must consider their budget and cooling needs when choosing between these two options.
Which should you buy?
Deciding between the Noctua NH-D9L and the NH-D15S chromax.Black ultimately depends on your specific requirements. If you have a compact build and need a cooler that delivers adequate performance without breaking the bank, the NH-D9L is an excellent choice. However, if you are looking for top-tier cooling performance for high-end CPUs and have the space and budget to accommodate it, the NH-D15S chromax.Black is the superior option. Both coolers reflect Noctua’s commitment to quality, but your choice should align with your cooling needs and case compatibility.
versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

