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ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - vs Noctua NH-L9i-17xx

Updated August 2026 — ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - wins on radiator size and width, Noctua NH-L9i-17xx wins on height.

The ID-COOLING FX240 PRO excels in high-performance cooling, while the Noctua NH-L9i-17xx is better for compact builds and quieter operation.

Why ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - is better

Cooling Performance

Handles TDP of 300W for high-performance systems

Aesthetic Appeal

All-black layout with premium design

Size Compatibility

Supports a wide range of Intel and AMD sockets

Why Noctua NH-L9i-17xx is better

Noise Levels

Operates quietly with Low-Noise Adaptor

Installation

User-friendly SecuFirm2 mounting system

Compact Size

Only 37mm tall for small form factor cases

Overall score

ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop -
85
Noctua NH-L9i-17xx
78

Specifications

SpecID-COOLING FX240 PRO Liquid CPU Cooler for Desktop -Noctua NH-L9i-17xx
Cooling TypeLiquidAir
TDP Support300WModerate
Fan RPM2900PWM Controlled
Socket CompatibilityIntel & AMDIntel Only
Warranty2 years6 years

Dimension comparison

ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop -Noctua NH-L9i-17xx

Overview of ID-COOLING FX240 PRO and Noctua NH-L9i-17xx

The ID-COOLING FX240 PRO is priced at $54.99, while the Noctua NH-L9i-17xx comes in at $49.95, making the latter about 9% cheaper. This price difference may influence budget-conscious buyers, but the choice between these two coolers goes beyond just cost. The FX240 PRO is a liquid cooler designed for high-performance systems, while the NH-L9i-17xx is a low-profile air cooler ideal for compact builds. Understanding their features can help determine which is better suited for your needs.

Cooling Performance

ID-COOLING FX240 PRO boasts a powerful pump with a speed of 2900 RPM, allowing it to dissipate heat effectively. This cooler can handle a Thermal Design Power (TDP) of 300W, making it suitable for gaming and high-performance computing. In contrast, the Noctua NH-L9i-17xx, with its award-winning NF-A9x14 slim fan, is designed for quieter operation with automatic speed control through PWM, ensuring full cooling performance while remaining whisper-quiet at idle. While the FX240 PRO targets extreme cooling needs, the NH-L9i-17xx excels in providing adequate cooling in compact environments.

Size and Compatibility

The size of a cooler can significantly impact its compatibility with various builds. The ID-COOLING FX240 PRO features a standard 240mm radiator, making it an excellent choice for larger cases that can accommodate liquid cooling systems. It supports a wide array of Intel and AMD sockets, including Intel LGA1851 and LGA1700. On the other hand, the Noctua NH-L9i-17xx is only 37mm tall, making it perfect for small form factor (SFF) cases and ensuring 100% RAM and PCIe compatibility on various motherboards. If you're building a compact PC, the NH-L9i-17xx is the clear winner in terms of size and compatibility.

Installation Process

Ease of installation can make a significant difference for many users. The ID-COOLING FX240 PRO features a simple cable management system with daisy chain connectors, which can reduce clutter and facilitate easier installation. However, the Noctua NH-L9i-17xx comes with a SecuFirm2 mounting system designed specifically for Intel's LGA1700 and LGA1851 sockets, along with high-end NT-H1 thermal paste included for optimal thermal transfer. This makes the NH-L9i-17xx particularly user-friendly for those who may not have extensive experience with cooler installation.

Aesthetic Appeal

When it comes to aesthetics, the ID-COOLING FX240 PRO stands out with its all-black layout and special CD pattern on the water block, providing a sleek look that can blend seamlessly into many setups. This can be particularly appealing for users who prioritize visual design in their builds. In comparison, the Noctua NH-L9i-17xx features a more traditional brown and beige color scheme that is synonymous with the brand. While it may not be as visually striking, it communicates a sense of reliability and quality that many Noctua fans appreciate.

Noise Levels

Noise levels can be a crucial factor, especially for users who prefer a quiet computing experience. The ID-COOLING FX240 PRO's fans are designed to deliver stable performance, but they may generate more noise under heavy loads compared to the Noctua NH-L9i-17xx. The NH-L9i-17xx's renowned fan operates quietly, thanks to its Low-Noise Adaptor, ensuring silent operation during periods of low activity. Users looking for a quieter solution will likely find the NH-L9i-17xx more appealing.

Customer Feedback and Reputation

In terms of reputation, Noctua is known for its high-quality products, having received over 200 awards and recommendations from international hardware websites. This long-standing reputation can instill confidence in potential buyers. The ID-COOLING FX240 PRO, while a solid choice for high-performance cooling, does not have the same level of recognition in the market. This could influence buyers who prioritize established brands with proven track records.

Price Analysis

The ID-COOLING FX240 PRO is priced at $54.99, while the Noctua NH-L9i-17xx costs $49.95. This price difference of approximately $5 may seem minor, but it can be significant for budget-conscious consumers. Additionally, the NH-L9i-17xx’s consistent price point over the last 90 days at $49.95 indicates stable demand, while the FX240 PRO has shown slight fluctuation. Buyers should consider their budget and the performance they expect from each cooler when making a decision.

Which should you buy?

Deciding between the ID-COOLING FX240 PRO and the Noctua NH-L9i-17xx boils down to your specific needs. If you require high-performance cooling for gaming or demanding applications, the FX240 PRO offers superior cooling capabilities and aesthetics. However, if you're building a compact system and prefer a quiet, reliable cooler, the NH-L9i-17xx is the better choice. Ultimately, both coolers have their strengths, and your decision should align with your particular requirements and preferences.