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Noctua NH-D12L vs upHere H45K6 Low Profile CPU Cooler 45mm Height - 6 Heat Pipes

Updated August 2026The Noctua NH-D12L offers superior cooling performance and build quality, while the upHere H45K6 is a budget-friendly option for compact builds.

The Noctua NH-D12L offers superior cooling performance and build quality, while the upHere H45K6 is a budget-friendly option for compact builds.

Why Noctua NH-D12L is better

Cooling Performance

NH-D12L excels in high-performance scenarios.

Warranty

NH-D12L has a 6-year warranty.

Noise Levels

NH-D12L operates quieter under load.

Why upHere H45K6 Low Profile CPU Cooler 45mm Height - 6 Heat Pipes is better

Price

H45K6 is significantly cheaper.

Compact Size

H45K6 fits in Mini ITX cases.

Installation Speed

H45K6 installs in under 5 minutes.

Overall score

Noctua NH-D12L
85
upHere H45K6 Low Profile CPU Cooler 45mm Height - 6 Heat Pipes
65

Specifications

SpecNoctua NH-D12LupHere H45K6 Low Profile CPU Cooler 45mm Height - 6 Heat Pipes
PriceC$131.95C$49.99
TDPN/A150W
Fan RPMN/A800-2800
Noise Level≤25 dB(A)≤27 dB(A)
RAM Clearance100%100%

Dimension comparison

Noctua NH-D12LupHere H45K6 Low Profile CPU Cooler 45mm Height - 6 Heat Pipes

Price Comparison

The Noctua NH-D12L is significantly more expensive than the upHere H45K6, retailing at C$131.95 compared to C$49.99. This price difference of C$81.96 reflects the premium quality and advanced features of the Noctua cooler. For budget-conscious consumers, the upHere cooler presents a compelling alternative with its low price, while still offering solid performance for mainstream CPUs. In contrast, those willing to invest in higher-end cooling solutions may find the Noctua NH-D12L worth the additional cost, given its reputation and features.

Cooling Performance

In terms of cooling performance, the Noctua NH-D12L showcases a robust design with its dual-tower heatsink and a state-of-the-art NF-A12x25r 120mm fan. This configuration provides outstanding cooling capability, especially under load, while maintaining a whisper-quiet operation at idle. On the other hand, the upHere H45K6 utilises six heat pipes and a slim 90mm fan, ensuring efficient heat dissipation with a thermal design power (TDP) of 150W. Both coolers are designed for effective thermal management, but the NH-D12L may excel in high-performance scenarios, particularly for demanding CPUs.

Size and Compatibility

The Noctua NH-D12L measures 145mm in height, making it a low-height cooler that fits most 4U rackmount server cases. It guarantees 100% RAM compatibility on a wide range of sockets including AMD AM4/AM5 and Intel LGA1700/1200/115x. Meanwhile, the upHere H45K6 features a remarkably compact design at just 45mm in height, tailored for space-constrained Mini ITX cases. This cooler also avoids interference with RAM and other components, supporting various sockets from Intel and AMD. For users with limited space, the upHere model provides a unique advantage, while the NH-D12L is better suited for larger builds.

Noise Levels

Noise levels are a critical consideration for many PC builders, and here the Noctua NH-D12L shines with its low-noise operation, aided by the Low-Noise Adaptors and PWM technology. This allows it to deliver full cooling performance quietly when needed. The upHere H45K6, equipped with a slim 15mm PWM fan, operates at a maximum of 27 dB(A) while pushing 35.34 CFM airflow. This places both coolers in the realm of quiet operation, but the NH-D12L is designed for even quieter performance, especially under load, making it ideal for noise-sensitive environments.

Installation Process

Ease of installation is an essential factor for many users. The Noctua NH-D12L comes with the SecuFirm2 mounting system, designed for straightforward installation across various sockets, including Intel and AMD options. It also includes high-end NT-H1 thermal paste for optimal thermal conductivity. Conversely, the upHere H45K6 boasts a tool-free installation process that can be completed in under five minutes, making it user-friendly, especially for those new to PC building. While both coolers promise ease of use, the upHere's installation speed may appeal to users looking for efficiency.

Durability and Warranty

Durability and warranty are important factors when considering a CPU cooler. The Noctua NH-D12L is backed by a six-year manufacturer’s warranty, reflecting the brand's confidence in its quality and longevity. On the other hand, while the upHere H45K6 does not specify a warranty period in the provided data, it is designed for longevity with a fan lifespan of 40,000 hours. Buyers seeking assurance in their investment may find the NH-D12L's warranty particularly appealing, whereas the upHere cooler offers a cost-effective solution with reliable performance.

Aesthetic Appeal

Aesthetic considerations can influence buyer preferences, especially for custom builds. The Noctua NH-D12L features a dual-tower design that complements a variety of setups, often seen as a premium choice among enthusiasts. Its high-quality finish and branding contribute to a sophisticated look. The upHere H45K6, while compact and functional, prioritises performance and space-saving over aesthetics. For users who value visual design in their builds, the Noctua may be the more attractive option, while the upHere serves its purpose in smaller, performance-driven setups.

Which should you buy?

Choosing between the Noctua NH-D12L and the upHere H45K6 ultimately depends on your specific needs and budget. The NH-D12L is an excellent choice for users who require premium cooling performance, low noise levels, and a long warranty, particularly in larger builds. In contrast, the upHere H45K6 is ideal for those seeking a compact, budget-friendly solution that excels in smaller cases without compromising on essential cooling capabilities. If budget is your primary concern, the upHere H45K6 offers great value, while the Noctua NH-D12L stands out for high-performance applications.

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Noctua NH-D12L vs upHere H45K6 Low Profile CPU Cooler 45mm Height - 6 Heat Pipes | versusfinder