Thermalright AXP90 47mm Pure Copper Review (2026): A Spec-Based Look
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The thermalright thermalright tr axp90 x47 full low profile CPU cooler is a compact cooling solution designed for tight cases. It stands out with a total height of just 47mm and a 92mm PWM fan. This combination allows for installation in small form factor builds without hitting memory modules. The heatsink uses pure copper and four heat pipes to move heat away from the processor. You get automatic speed control and quiet operation. It fits most modern Intel and AMD sockets. This spec-focused look explains how these dimensions and materials work together for your build.
What stands out
- 47mm total height fits HTPC and ITX cases
- Pure copper heatsink for better oxidation resistance
- AGHP heat pipes solve gravity issues in vertical mounts
- 92mm TL-9015R fan provides 42.58 CFM airflow
- Supports LGA1700, LGA1200, LGA1150, AM4, and AM5
Who it fits
Good fit for
This cooler suits users building ITX or HTPC systems where space is extremely limited. If your case only allows a 47mm clearance, this unit fits where larger coolers cannot. It is also ideal for users who want silent operation, as the 92mm fan runs quietly at 22.4 dB. The pure copper construction helps those who want durable heat transfer without the bulk of a tower design. You should choose this if you need broad socket support in a tiny package.
Who should skip it
You should look elsewhere if you need high-end gaming performance. The 47mm height and single 92mm fan limit cooling potential for high-TDP CPUs. The airflow is capped at 42.58 CFM, which may not suffice for heavy workloads. Users with large RAM modules might still face clearance issues despite the low profile. If you prioritize maximum cooling capacity over case size, this spec set is not enough for your needs.
Verdict: The Thermalright AXP90-X47 is a practical choice for small builds that demand low height and broad compatibility. Its pure copper construction and AGHP pipes offer reliable performance within its size constraints.
Key specs explained for AXP90
Cooler Height: 47 mm
This low profile allows the cooler to fit inside small ITX cases where space is tight. You do not need to worry about clearance with tall RAM sticks. It is ideal for HTPC builds. If your case supports only low-profile coolers, this height ensures compatibility without modifying the chassis or sacrificing memory slots.
Fan Size: 92 mm
A 92 mm fan fits within the 47 mm height constraint while providing adequate airflow. Smaller fans generally run louder than larger ones at the same airflow. This size balances performance with the compact form factor. You get a manageable footprint for small cases, though you may need to adjust PWM curves to control noise levels.
Heat Pipes: 4
Four heat pipes transfer heat from the base to the fins efficiently. This count is standard for low-profile coolers. It helps distribute thermal load across the copper block. More pipes can improve heat dissipation in dense fin stacks. This setup supports stable temperatures for mainstream CPUs without requiring a larger tower design.
Socket Compatibility: AM4, AM5, LGA1700
This cooler supports major modern platforms, including AMD AM4 and AM5, and Intel LGA1700. You can use it for recent Ryzen and Core processors. Broad compatibility means you likely have the necessary mounting hardware included. Check your specific motherboard manual to ensure the bracket fits your board layout before purchasing.
Design and Build Overview
The listing states the radiator is made of pure copper. This material choice increases oxidation resistance and improves heat transfer compared to aluminum. The heatsink dimensions are 94.5 by 95 by 47 millimeters. The total height of 47 millimeters is critical for small form factor builds. It allows installation in ITX cases without clearing tall RAM sticks. The compact footprint ensures it fits in HTPC setups where space is limited.
Four 6mm heat pipes use the AGHP technique. This solves the inverse gravity effect, ensuring consistent cooling regardless of vertical or horizontal orientation. The pipes are secondary welded to the fins, which doubles the cooling effect according to the description. The cooler includes a 92mm TL-9015R slim PWM fan. This fan provides automatic temperature control and ultra-quiet operation. Maximum airflow is 42.58 CFM at 2700 RPM. Noise levels are rated at 22.4 dBA.
Mounting hardware supports Intel LGA1700, 1200, 1150, 1151, 1155, 1156 and AMD AM4 and AM5 sockets. Metal fasteners are included for each platform. You install the cooler using the manual or video guide. The design prioritizes compatibility with tight spaces. The pure copper construction and efficient heat pipe layout make it suitable for compact systems. The low profile ensures it does not interfere with other components. This build quality focuses on functionality within strict size constraints.
Installation and Daily Operation
Setting up the Thermalright AXP90 requires matching the included mounting fasteners to your specific CPU socket. The listing confirms support for Intel LGA1700, LGA1200, LGA1150, LGA1151, and AMD AM4 and AM5 platforms. You must consult the manual or installation video to ensure correct placement. The cooler’s 47mm height means you must verify clearance with your RAM sticks before securing the unit. This low profile is essential for ITX and HTPC cases where space is limited.
Daily use relies on the included 92mm TL-9015R Slim PWM fan. You connect the 4-pin PWM connector to your motherboard header. This allows the system to automatically adjust fan speed based on temperature. The maximum speed is 2700 RPM. At this speed, the fan delivers 42.58 CFM of air volume and 1.33 mmH2O of static pressure. The noise level is rated at 22.4 dB(A). This combination supports quiet operation in small enclosures.
The four 6mm heat pipes use AGHP technology. This solves inverse gravity effects whether the cooler is mounted vertically or horizontally. Secondary welding of the pipes to the fins ensures consistent heat transfer. The pure copper construction resists oxidation over time. You apply the included thermal paste to the CPU surface before installation. This paste improves heat transfer efficiency. The setup is straightforward for users familiar with standard cooler mounting procedures.
Before You Buy This Cooler
You should verify your case’s CPU cooler clearance before ordering. This unit stands 47 mm tall, so you must ensure your chassis allows that vertical space. The included TL-9015R fan measures 92 mm wide. You need to check that your case supports this fan size in the designated mounting position. The cooler covers LGA1700, LGA1200, LGA1150, LGA1151, AM4, and AM5 sockets. Confirm your specific motherboard layout does not obstruct the 94.5 by 95 mm base. While it fits ITX builds, you might need to rearrange RAM or storage if space is tight. Pure copper construction resists oxidation, but you should still clean dust from the fins periodically. This model suits small builds where height is the main constraint. If you have a larger tower case, other options in our guide may offer better performance. This cooler is a specific tool for tight spaces, not a general-purpose solution.
Check before you buy
- Check your case supports 47 mm cooler height.
- Verify your case fits a 92 mm fan.
- Confirm your CPU socket is in the supported list.
- Ensure RAM or storage does not block the base.
The product at a glance
Thermalright AXP90 47mm Pure Copper Cooler
Best for: compact ITX and HTPC builds
- Socket Compatibility
- AM4, AM5, LGA1700, LGA1200, LGA1150
- Cooler Height
- 47 mm
- Heat Pipes
- 4
- Tower Design
- Low-Profile
- Fan Size
- 92 mm
- Fan Speed
- 2700 RPM
View on Amazon: Thermalright AXP90 47mm Pure Copper Cooler Affiliate link
The Thermalright AXP90-X47 is a 47mm low-profile CPU cooler designed for small form factor builds. It features pure copper construction and four 6mm heat pipes using AGHP technology to maintain efficiency in vertical or horizontal orientations. The included 92mm TL-9015R PWM fan delivers up to 42.58 CFM of airflow. It supports Intel LGA 1700 and AMD AM4/AM5 sockets, making it a compact solution for ITX systems.
Pros
- 47mm total height fits tight cases
- Pure copper heatsink for durability
- AGHP heat pipes prevent gravity issues
- 92mm PWM fan for quiet operation
- Broad socket support including LGA1700
Cons
- Low-profile design limits peak cooling power
- Only includes thermal paste, not pre-applied
- No RGB lighting or aesthetic features
Good fit if
- You are building an ITX or HTPC system
- You need a cooler under 50mm tall
- You want pure copper heat dissipation
Skip if
- You require high-end gaming performance
- You prefer pre-applied thermal paste
- You need RGB lighting effects
Verdict: The Thermalright AXP90-X47 Low Profile Copper Cooler is a practical fit for users prioritizing compact dimensions and pure copper construction in small form factor builds. It effectively balances height constraints with reliable airflow for standard CPU loads.
Specifications side by side
| Spec | Thermalright AXP90 47mm Pure Copper Cooler |
|---|---|
| Socket Compatibility | AM4, AM5, LGA1700, LGA1200, LGA1150 |
| Cooler Height | 47 mm |
| Heat Pipes | 4 |
| Tower Design | Low-Profile |
| Fan Size | 92 mm |
| Fan Speed | 2700 RPM |
| System Type | ITX |
| Features | Fan |
| Dimensions | 3.72 × 3.74 × 1.85 inches |
Frequently asked questions
Does the Thermalright AXP90 support AM5 sockets?
Yes, this cooler is compatible with AMD AM5 processors. The product data confirms support for AM4 and AM5, alongside Intel LGA 1700, LGA 1200, LGA 1150, and LGA 1151 platforms. You can use it for both current and older generation CPUs.
What are the exact dimensions of this cooler?
The cooler measures 3.74 inches in width, 1.85 inches in height, and 3.72 inches in length. These compact dimensions make it suitable for tight cases. The low profile ensures it fits in small form factor builds without obstructing nearby components.
Is the heatsink made of pure copper?
Yes, the listing specifies that the cooler features pure copper construction. This material choice is designed to improve heat transfer efficiency compared to aluminum. It also offers better resistance to oxidation, which helps maintain performance over time in compact builds.
Is this cooler good for ITX builds?
Yes, it is best for compact ITX and HTPC builds. Its low profile allows it to fit in small chassis where space is limited. The design balances height constraints with reliable airflow, making it a practical choice for users prioritizing compact dimensions.
Does it include a fan?
Yes, the product attributes list a fan as a included feature. The cooler is designed as a complete unit with a 92mm PWM fan. You do not need to purchase a separate fan for basic operation, though you should check case compatibility for the 92mm size.
Which Intel sockets does it support?
It supports Intel LGA 1700, LGA 1200, LGA 1150, and LGA 1151 sockets. This broad compatibility covers recent and older Intel platforms. You can verify your specific motherboard socket before installation to ensure the mounting hardware matches your CPU type.