Thermalright AXP90 X36 Low Profile ITX CPU Cooler
4.6Editor score
Compact 36mm total height
AGHP heat pipe technology
Supports AM4 and AM5
In this guide
Building a compact PC requires careful thermal management to ensure stability. Low profile CPU coolers provide essential heat dissipation without exceeding height limits in small cases.
We evaluated ten leading models based on cooling capacity, noise levels, and build quality. Our analysis focuses on compatibility with modern sockets and ease of installation.
Each entry details specific strengths and weaknesses to help you choose wisely. Keep in mind that availability and stock levels may vary over time.
Top 3 Picks for Best Low Profile CPU Cooler
Noctua NH-L9x65, Quiet High-Performance Low-Profile CPU Cooler
4.7Editor score
Ultra quiet NF-A9x14 fan
65mm total height design
Includes premium NT-H1 paste
Noctua NH-L9x65 chromax.Black, High-Performance Low-Profile CPU Cooler
4.6Editor score
All black chromax design
Optimized for ITX boards
65mm height clearance
Top 10 Best Low Profile CPU Cooler in 2026 Compared
The following table provides a side-by-side view of each model. It highlights key specifications like height, pipe count, and socket compatibility to help you compare options quickly.
ProductsSpecificationsEditor scorePrice
Best Budget
be quiet! Pure Rock Low Profile
45mm total height
92mm high quality fan
Intel 1700 and AMD AM5
4.5Editor score
Editor's Choice
Noctua NH-L9x65 chromax.Black
65mm total height
NF-A9x14 slim fan
LGA1851 and AM5 support
4.6Editor score
Editor's Choice
Noctua NH-L9x65
65mm total height
NF-A9x14 slim fan
LGA1851 and AM5 support
4.7Editor score
Noctua NH-L9a-AM5 chromax.Black
37mm total height
NF-A9x14 slim fan
AMD AM5 LGA1718 only
4.4Editor score
Thermalright AXP90 X36
36mm total height
4 AGHP heat pipes
Intel 115X and 1200
4.6Editor score
Thermalright AXP-90 X53 Black
53mm total height
4 heat pipes design
Supports AM4 and AM5
4.4Editor score
Thermalright AXP90 X47 Black
47mm total height
92mm TL-9015B fan
Intel 1700 and AM5
4.3Editor score
ID-COOLING IS-67-XT Black
67mm total height
6 heat pipes design
120x120x15mm PWM fan
4.5Editor score
Thermalright AXP90 X47 Black
47mm total height
AGHP heat pipe tech
120x15mm PWM fan
4.3Editor score
ID-COOLING IS-40-XT Black
47mm total height
4 heat pipes design
92mm PWM fan included
4.6Editor score
1. Noctua NH-L9x65 – Best Overall Low Profile CPU Cooler
Noctua NH-L9x65
65mm total height
NF-A9x14 slim fan
Includes NT-H1 paste
SecuFirm2 mounting
The Noctua NH-L9x65 stands out as a premier choice for builders seeking silence. It earns top marks for its ability to cool effectively without noise.
Pros
- Exceptional quiet performance
- Premium build quality
- Excellent RAM clearance
- Long warranty support
- High efficiency design
Cons
- Higher price point
- Limited color options
We may earn a commission when you buy through this link, at no additional cost to you.
Its NF-A9x14 fan features advanced blade geometry and PWM control for precise speed adjustments. The included NT-H1 thermal paste ensures optimal transfer right out of the box.
While expensive compared to competitors, the longevity and reliability justify the investment for many users. You may find limited color choices if you prefer non-brown aesthetics.
This model is ideal for those prioritizing acoustic comfort in home theater or office PCs. We strongly recommend it for quiet ITX builds requiring moderate cooling.
Whisper Quiet Operation
The fan is engineered to minimize noise even under load for a peaceful environment.
Secure Mounting System
SecuFirm2 ensures stable contact and easy installation across modern Intel and AMD sockets.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Noctua NH-L9x65 chromax.Black – Premium Low Profile CPU Cooler
Noctua NH-L9x65 chromax.Black
65mm total height
All black design
NF-A9x14 fan
LGA1851 support
This chromax.Black version offers the same top-tier cooling as the standard model but with a sleek all-black look. It is perfect for builds requiring a monochrome aesthetic.
Pros
- Stylish black finish
- Same performance as standard
- Compact 95x95mm footprint
- High quality materials
- Easy assembly process
Cons
- Premium pricing tier
- Heavier than budget options
We may earn a commission when you buy through this link, at no additional cost to you.
The footprint is optimized to clear RAM slots while maintaining robust cooling performance. It includes the same high-end fan and mounting system found in other Noctua units.
While you pay extra for the design, the visual integration in dark cases is unmatched. The weight might be a minor concern for very small portable chassis.
Choose this if you value both premium silence and a coordinated color scheme. It remains a top recommendation for high-end SFF enthusiasts.
Aesthetic Integration
The all-black finish matches seamlessly with modern motherboards and cases for a unified look.
Thermal Efficiency
Despite the black coating, thermal performance remains identical to the original brown model.
We may earn a commission when you buy through this link, at no additional cost to you.
3. Thermalright AXP90 X36 – Best Budget Low Profile CPU Cooler
Thermalright AXP90 X36
36mm total height
4 AGHP heat pipes
TL-9015 PWM fan
Nickel plated base
The Thermalright AXP90 X36 delivers exceptional value with its compact 36mm profile. It is an excellent choice for tight enclosures where height is a major constraint.
Pros
- Extremely low height
- Affordable price point
- AGHP gravity solution
- Compatible with AM5
- Nickel plated corrosion resistance
Cons
- Fan quality varies
- Basic mounting brackets
We may earn a commission when you buy through this link, at no additional cost to you.
AGHP technology ensures the heat pipes work effectively regardless of orientation, a common issue in SFF builds. The nickel plating adds durability against corrosion over time.
While it lacks the refinements of premium brands, it cools adequately for most mainstream CPUs. Some users note the fan is louder than top-tier alternatives under load.
This is the smart pick for budget-conscious builders needing extreme compactness. We recommend it for entry-level ITX systems where silence is secondary to size.
Gravity Independent Cooling
AGHP technology solves heat pipe orientation issues ensuring consistent performance in any build angle.
Cost Effective Design
You get reliable cooling performance without the high price tag associated with premium branded coolers.
We may earn a commission when you buy through this link, at no additional cost to you.
4. Noctua NH-L9a-AM5 chromax.Black – Specialized Low Profile CPU Cooler
Noctua NH-L9a-AM5 chromax.Black
37mm total height
AM5 LGA1718 specific
NF-A9x14 fan
Full RAM compatibility
Designed specifically for AMD AM5 sockets, this model ensures perfect fit and cooling for Ryzen 7000 series chips. It features the same reliable fan as other Noctua low profile units.
Pros
- Tailored for AM5 platform
- Ultra slim profile
- Quiet fan operation
- High efficiency mounting
- All black aesthetic
Cons
- AMD AM5 only
- Higher cost per feature
We may earn a commission when you buy through this link, at no additional cost to you.
The 37mm height allows it to fit in the slimmest cases while maintaining clearance for tall RAM modules. The mounting system is optimized for the LGA1718 socket layout.
Limited socket compatibility means it is not a universal option but excels within its niche. The price reflects the specialized engineering required for AM5 optimization.
Ideal for AM5 ITX users wanting a silent black cooler that is ready to use. It is a top choice for those building on the latest AMD platform.
AM5 Optimization
The mounting hardware and base contact are specifically engineered for the AM5 socket geometry.
Slim Footprint
At only 37mm it clears even the most restrictive chassis without compromising airflow.
We may earn a commission when you buy through this link, at no additional cost to you.
5. be quiet! Pure Rock Low Profile – Versatile Low Profile CPU Cooler
be quiet! Pure Rock Low Profile
45mm total height
92mm high quality fan
Intel 1700 support
Low noise design
The be quiet! Pure Rock Low Profile is a straightforward solution for compact systems. It supports a wide range of Intel and AMD sockets without needing extra adapters.
Pros
- Broad socket support
- Simple installation
- Moderate height clearance
- Reliable brand
- Good value
Cons
- Fewer heat pipes
- Standard fan design
We may earn a commission when you buy through this link, at no additional cost to you.
Its 92mm fan is designed for low noise operation and provides steady airflow. The simple design makes it easy to install and maintain over time.
While it does not have advanced heat pipe technology like some rivals, it handles moderate TDP CPUs well. It is a safe choice for general purpose ITX builds.
We recommend this for users needing a no fuss cooler that works out of the box. It balances price and performance for everyday computing needs.
Universal Compatibility
Supports both modern Intel and AMD sockets making it versatile for various upgrade paths.
Simple Assembly
The mounting kit is designed for quick and secure installation without complex tools.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Thermalright AXP-90 X53 Black – Compact Low Profile CPU Cooler
Thermalright AXP-90 X53 Black
53mm total height
4 heat pipes
Nickel plated base
TL-9015B PWM fan
The AXP-90 X53 Black offers a middle ground between extreme height and cooling power. With 53mm it clears most RAM but still fits many ITX cases.
Pros
- Affordable performance
- Multiple height options
- Supports AM5
- Black nickel finish
- Standard PWM fan
Cons
- Noise levels under load
- Basic fan bearing
We may earn a commission when you buy through this link, at no additional cost to you.
Four heat pipes distribute heat efficiently and the nickel plating protects against corrosion. The PWM fan adjusts speed based on temperature for balanced performance.
It may produce more noise than premium models at high speeds but the cooling is consistent. The black finish adds a modern touch to budget builds.
This is a solid choice if you need slightly more cooling than the 36mm variant. We suggest it for budget builds with slightly larger cases.
Height Flexibility
The 53mm height allows for better thermal performance while still fitting many small form factor cases.
Modern Finish
Black nickel plating provides both aesthetic appeal and resistance to corrosion over time.
We may earn a commission when you buy through this link, at no additional cost to you.
7. Thermalright AXP90 X47 Black – Balanced Low Profile CPU Cooler
Thermalright AXP90 X47 Black
47mm total height
92mm slim fan
AGHP technology
AM5 and Intel support
This model strikes a balance between height and thermal capability with its 47mm profile. It supports AGHP technology which ensures pipes work in any orientation.
Pros
- Balanced height and cooling
- AGHP heat pipes
- Easy installation
- All black design
- Reasonable price
Cons
- Fan noise can be high
- Mounting clips feel light
We may earn a commission when you buy through this link, at no additional cost to you.
The 92mm slim fan is PWM controlled to adapt to workload. The black finish gives it a sleek appearance for modern builds.
While the mounting clips may feel less robust than premium brands the performance is solid. Users might need to manage fan curves to keep noise acceptable.
We recommend this for builders wanting a middle option between ultra thin and taller coolers. It is good for cases with 47mm limits.
Orientation Independence
AGHP technology ensures heat dissipation works effectively even in non standard mounting orientations.
Slim Form Factor
The slim profile allows it to fit inside cases with limited vertical clearance.
We may earn a commission when you buy through this link, at no additional cost to you.
8. ID-COOLING IS-67-XT Black – High Capacity Low Profile CPU Cooler
ID-COOLING IS-67-XT Black
67mm total height
6 heat pipes
120mm PWM fan
AM5 and Intel support
The IS-67-XT stands out with six heat pipes and a large 120mm fan. This combination allows for cooling higher TDP CPUs within a low profile design.
Pros
- High TDP support
- Large 120mm fan
- Six heat pipes
- Black design
- Easy mounting
Cons
- Larger footprint
- Limited RAM clearance
We may earn a commission when you buy through this link, at no additional cost to you.
It uses PWM control for the fan to regulate speed and noise. The black design keeps it looking modern in a variety of builds.
Because of the larger fan size you might have less clearance for tall RAM sticks. This model is best for those prioritizing thermal capacity over space.
We recommend this if you need to cool a powerful CPU in a compact case. It is a top pick for performance focused ITX builds.
Large Fan Cooling
The 120mm fan provides substantial airflow to help dissipate heat from more powerful processors.
Increased Heat Pipes
Six heat pipes enhance the thermal conductivity and distribute heat across the fins.
We may earn a commission when you buy through this link, at no additional cost to you.
9. Thermalright AXP90 X47 Black – Alternative Low Profile CPU Cooler
Thermalright AXP90 X47 Black
47mm total height
AGHP tech
TL-9015B fan
AM4 and AM5 support
This version of the AXP90 X47 uses AGHP technology for reliable cooling in any case orientation. It maintains a 47mm height that fits many ITX chassis.
Pros
- Compact size
- Affordable option
- AGHP gravity solution
- Modern aesthetic
- Multiple socket support
Cons
- Fan noise at max
- Lightweight mounting
We may earn a commission when you buy through this link, at no additional cost to you.
The TL-9015B fan offers PWM control for adjusting noise levels. It supports both AMD and Intel sockets for broad usability.
Build quality is adequate but may not feel as substantial as higher priced brands. Users should be mindful of noise levels when the fan runs at full speed.
We suggest this for budget builds needing a compact cooler with reliable thermal performance. It is a practical choice for small systems.
Gravity Independent Design
The AGHP technique ensures pipes perform well regardless of how the case is positioned.
Slim Height
The 47mm profile is designed to fit inside many compact enclosures without interference.
We may earn a commission when you buy through this link, at no additional cost to you.
10. ID-COOLING IS-40-XT Black – Entry Low Profile CPU Cooler
ID-COOLING IS-40-XT Black
47mm total height
4 heat pipes
92mm PWM fan
Full socket support
The IS-40-XT offers an affordable entry into low profile cooling with a 47mm height. It features four heat pipes for heat distribution and a PWM fan.
Pros
- Very affordable
- Compact design
- Easy installation
- Black aesthetic
- Supports many CPUs
Cons
- Lower thermal capacity
- Basic materials
We may earn a commission when you buy through this link, at no additional cost to you.
Installation is straightforward with an upgraded mounting kit. The all black look is a nice touch for budget builds.
It is best suited for CPUs with moderate heat dissipation needs. Those with high TDP processors may need to look at larger coolers.
We recommend this for first time ITX builders or upgrades where budget is tight. It delivers solid basic performance for many mainstream CPUs.
Budget Friendly Option
This cooler provides reliable cooling at a low price point suitable for budget builds.
Installation Ease
The upgraded mounting kit simplifies the process making it easier to install securely.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Low Profile CPU Cooler
Selecting a low profile CPU cooler requires balancing size limits with thermal needs. This guide outlines the critical factors to consider before you buy.
Case Height Clearance
The most important factor is ensuring the cooler fits your case. Measure the maximum CPU height allowed by your chassis to avoid incompatibility.
Always choose a cooler with a total height slightly lower than your case limit to account for fan thickness.
Socket Compatibility
Verify that the cooler supports your CPU socket. Modern boards like AM5 or LGA1851 may need specific mounting brackets not included in older models.
Check the manufacturer list for compatibility to avoid purchasing a unit that cannot be mounted.
Thermal Design Power
Match the cooler TDP rating to your CPU heat output. High performance chips need more robust cooling to avoid throttling under load.
Select a cooler with a TDP rating that meets or exceeds your CPU needs for stable performance.
Heat Pipe Count
More heat pipes generally mean better heat transfer. Look for at least four pipes in standard coolers to ensure efficient dissipation.
Higher end models use more pipes to support intense workloads in compact enclosures.
RAM Compatibility
Consider the width of the cooler and your RAM modules. Overhang can prevent high profile memory sticks from fitting on narrow boards.
Choose a narrow footprint cooler to ensure your RAM can be installed without interference.
Noise Levels
Fan noise is a key concern in small cases. Look for PWM fans that adjust speed based on temperature to reduce idle noise.
Check decibel ratings to ensure the cooler operates quietly during normal usage.
Build Quality
Quality materials like nickel plated bases resist corrosion and improve transfer. Ensure the mounting system is secure for long term stability.
Invest in a model with robust construction to avoid issues with loosening screws over time.
Price vs Performance
Budget models offer solid value but may lack premium features. Premium brands often include better fans and mounting systems for extra cost.
Decide what matters most to you whether it is cost savings or top end silence.
How to Use and Care for Your Low Profile CPU Cooler
Apply thermal paste carefully to ensure optimal heat transfer between the CPU and cooler base. A pea sized amount is usually sufficient to avoid air gaps.
Install the mounting bracket securely to ensure consistent contact. Loose mounting can cause hot spots and reduced cooling efficiency.
Clean dust from the fins and fan regularly to maintain airflow. Use compressed air to remove debris without damaging the fan blades.
Frequently Asked Questions
What is a low profile CPU cooler?
A low profile CPU cooler is designed to be shorter than standard coolers. It fits in compact cases where space above the motherboard is limited.
Are low profile coolers quiet?
Yes many are engineered for low noise operation. They use slower spinning fans that move air efficiently without generating excess sound.
Do low profile coolers support AM5?
Many modern models include AM5 support. Always check the compatibility list before buying to ensure it fits your socket.
Why use a low profile cooler?
You use one to fit cooling into small cases. It allows for compact builds without sacrificing thermal management entirely.
Are all low profile coolers the same?
No they vary in size and heat capacity. Some use more heat pipes or larger fans for better cooling power.
How to install a low profile cooler?
Attach the backplate and apply thermal paste. Secure the cooler using the provided screws and connect the fan to the CPU header.
What is AGHP technology?
AGHP ensures heat pipes work in any orientation. This prevents gravity from affecting cooling performance in vertical or tilted cases.
Do low profile coolers need thermal paste?
Most include paste but some do not. Check the package contents to see if additional paste is required for installation.
Final Thoughts on Choosing the Best Low Profile CPU Cooler
Choosing the right cooler depends on your case size and CPU needs. We highlighted options that balance height and cooling capability for various builds.
Prioritize compatibility and thermal efficiency when making your decision. A quiet cooler ensures comfort while maintaining stable system performance.
Always check the latest stock and specifications before buying to confirm fit. Prices and availability change frequently so review current listings carefully.