Thermalright AXP90 X36 Low Profile ITX CPU Cooler
4.6Editor score
36mm total height
4x6mm AGHP heatpipes
TL-9015 PWM fan
In this guide
Choosing the right cooling solution is critical for small form factor builds. A good Low Profile CPU Cooler keeps temperatures low without blocking RAM or PCIe slots.
We evaluated ten top models based on height, thermal performance, noise levels, and socket support. Our list covers options for Intel and AMD platforms in compact cases.
Each pick highlights key specs and ideal use cases. Prices fluctuate so check current deals before buying. These coolers ensure reliable performance in tight spaces.
Top 3 Picks for Best Low Profile CPU Cooler
Noctua NH-L9x65
4.7Editor score
65mm total height
NF-A9x14 fan
NT-H1 paste included
Noctua NH-L9x65 chromax.Black
4.6Editor score
All-black design
95x95mm footprint
SecuFirm2 mounting
Top 10 Best Low Profile CPU Cooler in 2026 Compared
This side-by-side comparison shows key specs for every model. Use it to find the perfect fit for your case height and socket type.
ProductsSpecificationsEditor scorePrice
Editor's Choice
be quiet! Pure Rock Low Profile
45mm height
92mm fan
100W TDP
Intel/AMD sockets
4.5Editor score
Editor's Choice
Noctua NH-L9x65 chromax.Black
65mm height
NF-A9x14 fan
120W TDP
NT-H1 paste
4.6Editor score
Best Budget
Noctua NH-L9x65
65mm height
NF-A9x14 fan
120W TDP
NT-H1 paste
4.7Editor score
Noctua NH-L9a-AM5 chromax.Black
37mm height
AM5 sockets
NF-A9x14 fan
6-year warranty
4.4Editor score
Thermalright AXP90 X36
36mm height
4 heatpipes
TL-9015 fan
AGHP tech
4.6Editor score
Thermalright AXP-90 X53
53mm height
4 heatpipes
TL-9015B fan
Black finish
4.4Editor score
Thermalright AXP90 X47
47mm height
4 heatpipes
TL-9015B fan
AGHP tech
4.3Editor score
ID-COOLING IS-67-XT
67mm height
6 heatpipes
120mm fan
Copper base
4.5Editor score
Thermalright AXP90 X47 (Black)
47mm height
4 heatpipes
TL-9015B fan
AGHP tech
4.3Editor score
ID-COOLING IS-40-XT
40mm height
4 heatpipes
92mm fan
All-black design
4.6Editor score
1. be quiet! Pure Rock Low Profile – Best Compact Quiet Cooler
be quiet! Pure Rock Low Profile
45mm height
100W TDP
92mm fan
Intel/AMD sockets
The be quiet! Pure Rock Low Profile is a top choice for silent small builds. It earns a 4.5 star rating for its reliable cooling and minimal noise.
Pros
- Extremely compact design
- Very quiet operation
- Wide socket support
Cons
- Lower TDP rating
- No RGB lighting
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Its 45mm height fits nearly any case while the 92mm fan delivers 30.6dB of noise. Support for Intel 1700 and AMD AM5 ensures broad compatibility.
The trade-off is a 100W TDP limit which may not suit high-end CPUs. However for most office or media PC builds this is perfectly acceptable.
Buy this if you need a reliable quiet cooler for ITX or SFF cases. Its compact design and low noise make it a standout value pick.
Silent Operation for Media Builds
The 92mm fan is optimized for low noise making it ideal for HTPCs where silence matters most during playback.
Compact Form Factor Fit
At just 45mm tall this cooler clears most tall RAM modules and PCIe cards in small form factor motherboards easily.
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2. Noctua NH-L9x65 chromax.Black – Best Premium Black Finish
Noctua NH-L9x65 chromax.Black
65mm height
95x95mm footprint
NF-A9x14 fan
NT-H1 paste
This premium cooler brings the trusted Noctua quality with a sleek black aesthetic. It rates 4.6 stars for excellent cooling in compact chassis.
Pros
- All-black design
- High performance
- RAM friendly
Cons
- Higher price point
- Heavier than others
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The 95x95mm footprint ensures it stays clear of RAM slots. The NF-A9x14 fan offers PWM control and includes a low-noise adaptor.
While the price is higher the included NT-H1 paste and premium mounting justify it. The all-black design suits modern black-themed builds perfectly.
Choose this if you want top-tier cooling and a premium look. It handles low to moderate heat loads with ease in small cases.
Premium All-Black Aesthetic
The chromax.Black finish matches black components and cases for a unified professional look in your build without visible brown parts.
Superior Mounting System
The SecuFirm2 mounting system makes installation easy and secure on modern LGA1851 LGA1700 and AMD AM5 motherboards effortlessly.
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3. Noctua NH-L9x65 – Best Overall Value Pick
Noctua NH-L9x65
65mm height
NF-A9x14 fan
NT-H1 paste
120W TDP
The classic Noctua NH-L9x65 offers the best balance of performance and price. With a 4.7 star rating it is a favorite among ITX builders.
Pros
- Excellent rating
- RAM clearance
- Includes thermal paste
Cons
- No black color option
- Stock price varies
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Its 65mm height and non-overhang design guarantee RAM compatibility on most boards. The NF-A9x14 fan ensures ultra-quiet operation under load.
The lack of black coloring is the main drawback for black builds. But performance and reliability remain unmatched in this low profile category.
Buy this for proven reliability and quiet cooling. It is the safest choice for demanding small form factor systems needing top-tier cooling.
Highly Rated Performance
With a 4.7 star rating this cooler consistently delivers reliable thermal performance that exceeds expectations in compact case environments.
Smart Fan Technology
The PWM support and Low-Noise Adaptor let you fine-tune fan speeds for ultra-quiet operation during idle and gaming sessions.
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4. Noctua NH-L9a-AM5 chromax.Black – Best AM5 Specific Cooler
Noctua NH-L9a-AM5 chromax.Black
37mm height
AM5 support
NF-A9x14 fan
6-year warranty
This cooler is specifically tuned for AMD AM5 systems with an ultra-low 37mm height. It holds a 4.4 star rating for compact AM5 compatibility.
Pros
- Ultra low height
- AM5 optimized
- Black design
Cons
- AMD only
- Lower TDP
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Its footprint guarantees 100% RAM and PCIe compatibility on ITX AM5 boards. The NF-A9x14 fan delivers whisper-quiet cooling at idle.
The downside is AMD-only support which limits its use. However for AMD builders seeking minimal height this is a top premium choice.
Choose this if you run Ryzen AM5 and need minimal clearance. Its tailored design ensures zero conflicts with motherboard components.
Tailored for AM5 Sockets
The mounting system is designed specifically for LGA1718 AM5 sockets ensuring secure and efficient thermal contact right out of the box.
Extreme Low Profile Height
At only 37mm tall this cooler fits in the tightest cases where other options might clash with RAM or VRM heatsinks.
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5. Thermalright AXP90 X36 – Best Compact Budget Choice
Thermalright AXP90 X36
36mm height
4x6mm AGHP
All metal platform
Nickel plating
The AXP90 X36 offers the lowest profile at just 36mm for an affordable price. It scores 4.6 stars for value in ITX builds.
Pros
- Lowest height
- Affordable
- AGHP tech
Cons
- Smaller surface area
- Basic design
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It uses AGHP heatpipes to maintain cooling performance regardless of orientation. The all-metal platform with back plate fastener ensures durability.
The small surface area limits TDP compared to larger coolers. But for low-power CPUs this provides excellent cooling without bulk.
Buy this if you need maximum clearance on a budget. It is ideal for tight cases where space is at a premium.
AGHP Heat Pipe Tech
AGHP technology solves gravity issues by ensuring heat is efficiently transferred from the copper base to the fins efficiently.
Minimalist Design
This cooler focuses on pure function with a simple all-metal design that fits into the tightest chassis without any clutter.
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6. Thermalright AXP-90 X53 – Best Mid-Range Black Option
Thermalright AXP-90 X53
53mm height
4 heat pipes
Black nickel plating
Intel/AMD support
The AXP-90 X53 sits in the middle with 53mm height and a black finish. It rates 4.4 stars for balanced performance and looks.
Pros
- 53mm balance
- Black finish
- 4 heatpipes
Cons
- Mid-range cost
- Noise levels
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It includes 4 heat pipes and black nickel plating for corrosion resistance. The TL-9015B fan provides PWM support for speed control.
The 53mm height offers more cooling than 36mm models without taking too much space. It is a solid step up for power users.
Choose this if you need extra cooling capacity in black. It works well for mid-range CPUs in compact ITX cases.
Black Nickel Finish
The black nickel plating resists corrosion and gives the cooler a premium look that matches modern black components perfectly.
Efficient Heat Transfer
Four 6mm heat pipes ensure heat moves quickly from the CPU base to the fins for effective cooling under load.
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7. Thermalright AXP90 X47 Black – Best All-Rounder Height
Thermalright AXP90 X47 Black
47mm height
92mm fan
AGHP tech
Black nickel
The AXP90 X47 Black offers 47mm height which is a great balance for most cases. It holds a 4.3 star rating for reliable cooling.
Pros
- Balanced height
- AGHP support
- Broad socket support
Cons
- Average noise
- Basic mounting
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With AGHP heatpipes and a 92mm fan it delivers solid performance. The TL-9015B fan ensures low noise levels during normal use.
The 47mm height is enough for moderate CPUs but not for high-end parts. It is a great middle ground for most builders.
Buy this for a balanced budget cooler with black styling. It fits well in cases that allow slightly taller coolers.
Balanced Height Design
At 47mm this cooler provides enough clearance for most RAM while offering more surface area than ultra-low 36mm options.
AGHP Orientation Support
The AGHP technology ensures the cooler works in any orientation making it ideal for cases mounted in different positions.
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8. ID-COOLING IS-67-XT – Best High TDP Compact Cooler
ID-COOLING IS-67-XT
67mm height
6 heatpipes
120mm fan
Copper base
The IS-67-XT pushes the limits with 67mm height and 6 heat pipes. It rates 4.5 stars for high thermal performance in compact cases.
Pros
- High TDP
- 6 heatpipes
- 120mm fan
Cons
- Tallest option
- Higher noise
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The 120mm PWM fan and copper base ensure excellent heat transfer. This makes it suitable for CPUs with higher TDP ratings.
The 67mm height may not fit very shallow cases. But if space allows this offers the most cooling power in the list.
Choose this for high-performance builds in ITX cases. It handles heavy loads better than standard low-profile models.
Maximum Cooling Capacity
With 6 heatpipes and a copper base this cooler dissipates heat much faster than simpler designs in small chassis.
High Flow Fan
The 120mm PWM fan provides 67.58CFM air flow ensuring maximum heat removal when the CPU is under heavy load.
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9. Thermalright AXP90 X47 (Black) – Best Value Alternative
Thermalright AXP90 X47 (Black)
47mm height
4 heatpipes
AGHP tech
Broad support
Another AXP90 X47 variant offers similar specs at a competitive price. It holds a 4.3 star rating for budget-friendly cooling solutions.
Pros
- Affordable price
- 47mm height
- AGHP tech
Cons
- Similar to others
- Basic mounting
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It uses AGHP heatpipes and a 92mm fan for efficient cooling. The 47mm height is a great balance for most ITX builds.
This variant is very similar to other X47 models but often costs less. It provides the same performance for less cash.
Buy this if you find a better price than others. It is a great alternative when you need standard performance.
AGHP Orientation Independence
AGHP technology allows this cooler to maintain high performance regardless of whether your case is vertical or horizontal.
Broad Platform Support
Compatible with Intel LGA1700 and AMD AM5/AM4 this cooler supports both old and new generations of CPUs effectively.
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10. ID-COOLING IS-40-XT – Best Black Budget Pick
ID-COOLING IS-40-XT
47mm height
4 heatpipes
All-black design
PWM fan
The IS-40-XT offers a black budget option with 4 heat pipes. It rates 4.6 stars for a solid budget-friendly choice.
Pros
- Budget friendly
- All-black look
- PWM support
Cons
- Moderate performance
- Basic mounting
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With 47mm height and a 92mm PWM fan it ensures decent cooling. The all-black design helps it blend into dark builds.
Performance is moderate but sufficient for entry-level CPUs. It is a great option if you want style on a budget.
Choose this for stylish budget builds. It balances cost and looks better than any other budget option in the list.
Signature All-Black Design
The all-black design gives this cooler a sleek look that matches modern components without any distracting color contrast.
Upgraded Mounting Kit
The upgraded mounting kit with back plate makes installation easy and secure even for first-time builders.
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Buying Guide – How to Choose the Best Low Profile CPU Cooler
Selecting the right low profile cooler involves balancing height cooling performance and noise levels. This guide covers the key factors you need to consider before buying.
Height and Clearance
Height is the most critical factor for low profile coolers. Measure your case clearance carefully to ensure the cooler fits without touching the side panel.
Always choose a cooler with at least 5mm less height than your case max clearance for safe installation and air flow.
Socket Compatibility
Ensure the cooler supports your CPU socket. Intel 1700/1851 and AMD AM5 are newer standards while older boards use 115x or AM4.
Check the manufacturer compatibility list before buying to avoid mounting issues or incompatibility.
TDP Rating
Thermal Design Power (TDP) indicates the heat the cooler can dissipate. Match the cooler TDP to your CPU power requirements for optimal performance.
For high-performance CPUs select a cooler with higher TDP to prevent thermal throttling.
Noise Levels
Noise is measured in dB(A) and affects build comfort. Lower numbers mean quieter operation especially important for HTPCs or silent builds.
Prioritize PWM fans and low noise adaptors for better control over noise levels.
Fan Size and Speed
92mm fans are common but 120mm fans move more air. Larger fans allow lower RPM for the same cooling which reduces noise.
Ensure the fan height fits within your case limits when attached to the cooler.
Material Quality
Copper bases and nickel plating improve heat transfer and durability. Aluminum fins keep weight and cost lower while still delivering good cooling.
Look for reflow soldering for better contact between heatpipes and fins.
Warranty and Support
Brands like Noctua offer up to 6 year warranties. A strong warranty indicates confidence in build quality and long term reliability.
Choose brands with good support channels in case mounting issues arise.
Aesthetic Match
Colors and finishes matter for visual builds. Black coolers suit dark themed systems while standard brown or grey suits others.
Match the cooler finish to your motherboard or case for a cohesive look.
How to Use and Care for Your Low Profile CPU Cooler
Install the cooler on a clean CPU surface with fresh thermal paste. Ensure the fan faces inwards to intake fresh air into the case.
Check that mounting screws are tightened evenly to avoid uneven contact. A loose mount can lead to high temperatures.
Clean dust from the fins and fan regularly. Dust buildup restricts airflow and reduces cooling efficiency over time.
Frequently Asked Questions
What is the lowest height CPU cooler available?
The Thermalright AXP90 X36 offers one of the lowest heights at 36mm. It fits in extremely tight cases where other coolers cannot clear the side panel.
Do low profile coolers work with high-end CPUs?
Most low profile coolers support CPUs up to 100W TDP. For high-end processors choose a model with higher TDP ratings like the ID-COOLING IS-67-XT.
How do I clean my low profile CPU cooler?
Use a can of compressed air to blow dust out of the fins. Keep the fan blades stationary while cleaning to avoid damage.
Can I use a low profile cooler in an ATX case?
Yes low profile coolers work in ATX cases but may not be necessary unless you have specific clearance issues with GPU or RAM.
Does the fan direction matter on low profile coolers?
Yes fan direction affects airflow. Point the fan towards the intake vent of your case for best cooling performance and heat management.
Do I need to replace thermal paste on new coolers?
Many coolers come with paste pre-applied or included like NT-H1. You can use this paste directly for best thermal contact without buying extra.
Final Thoughts on Choosing the Best Low Profile CPU Cooler
Our top picks include the be quiet! Pure Rock for silence and the Noctua NH-L9x65 for reliability. These models cover most use cases effectively.
Prioritize case clearance and socket support first. Then balance performance needs with budget to find the perfect fit for your build.
Prices change frequently so check current deals on the links above. A good cooler ensures your system runs cool and silent for years.