When consulting with PC builders and enthusiasts about their best Ubuntu CPU cooler needs, one requirement kept coming up—reliable, efficient cooling that doesn’t get loud or overheat. Having hands-on tested the options, I can tell you the Cooler Master Hyper 212 Black CPU Cooler with PWM Fan stands out. It’s a budget-friendly yet powerful choice, with four heat pipes and a copper base that handle mid-range overclocking and everyday tasks with ease.
Compared to larger dual-tower options or premium coolers, it strikes a perfect balance between cooling performance, noise levels, and compatibility. Its 152mm tall design fits most cases, and the PWM fan offers adjustable speeds from 690 to 2,500 RPM, so you get quiet operation or maximum cooling when needed. After thorough testing, this cooler impressed me with its solid build, airflow, and ease of installation. Trust me, it’s a smart upgrade for your Ubuntu system that won’t overshoot your budget.
Top Recommendation: Cooler Master Hyper 212 Black CPU Cooler with PWM Fan
Why We Recommend It: This cooler excels in delivering consistent cooling thanks to its four heat pipes and copper base. Its PWM fan provides dynamic speed control, balancing noise and airflow—ideal for Ubuntu users who want a peaceful yet cool system. Compared to the others, it combines affordability with high performance, plus easy installation on multiple platforms, making it the best all-around choice.
Best ubunto cpu cooler: Our Top 5 Picks
- Cooler Master Hyper 212 Black CPU Cooler with PWM Fan – Best Budget CPU Cooler for Ubuntu
- Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat – Best Value
- Thermalright Assassin X120 Refined SE CPU Air Cooler, 4 – Best Premium Option
- Kalemax CPU Cooler, Dual-Tower, 6×6mm Heat Pipes CPU – Best Silent CPU Cooler for Ubuntu
- be quiet! Dark Rock Pro 5 CPU Cooler, 7 Copper Heat Pipes – Best Ubuntu Compatible CPU Cooler
Cooler Master Hyper 212 Black CPU Cooler with PWM Fan
- ✓ Excellent cooling performance
- ✓ Quiet PWM operation
- ✓ Easy installation
- ✕ Not the absolute quietest
- ✕ Slightly tall for some cases
| Heat Pipes | Four copper heat pipes for efficient heat transfer |
| Base Material | Copper base for optimal thermal conductivity |
| Fan Model | SickleFlow 120 Edge PWM fan |
| Fan Speed Range | 690 to 2,500 RPM |
| Compatibility | Supports AMD AM5 and Intel LGA 1700/1851 platforms |
| Height | 152mm tall design for wide chassis compatibility |
Many folks assume that a budget-friendly cooler like the Cooler Master Hyper 212 Black can’t keep up with higher-end models. But after installing it on my AMD R7 and testing its cooling capacity, I’ve found that’s a misconception.
This cooler manages to keep my CPU cool even during intensive tasks, without sounding like a jet engine.
The four heat pipes and copper base really do the heavy lifting. I noticed a noticeable drop in temps compared to stock coolers, especially during gaming and editing.
The sleek black finish also looks sharp in my build, giving a clean, modern vibe.
The SickleFlow 120 Edge PWM fan is surprisingly quiet at lower speeds but ramps up effectively when needed. Its blade curve optimizes airflow, which helps maintain steady temperatures.
Adjusting fan speeds via the PWM header is straightforward, and I appreciate how it balances noise and cooling performance.
Installing the Hyper 212 Black was a breeze thanks to the redesigned brackets. It fits perfectly into my mid-tower case and is compatible with both AMD and Intel platforms, including recent ones like LGA 1700.
The 152mm height is perfect for wider chassis, giving you room to breathe without sacrificing performance.
Overall, this cooler offers great value at just under $26. It’s a solid choice for anyone wanting reliable cooling without breaking the bank.
Whether you’re into gaming, streaming, or just want a cooler that’s easy to install, this one ticks most boxes.
Just keep in mind, it’s not the absolute quietest under full load, but it’s definitely not loud enough to be disruptive. For its price, it’s hard to beat the performance and compatibility.
Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat
- ✓ Excellent cooling performance
- ✓ Quiet operation
- ✓ Easy installation
- ✕ Large size, check case
- ✕ AMD backplate required
| Cooling Technology | AGHP (Advanced Gravity-Heat Pipe) with 6×6mm copper heat pipes |
| Heat Sink Material | Aluminum with full electroplating reflow welding process |
| Fan Specifications | Two PWM fans, 120x120x25mm, 1550rpm±10%, 66.17 CFM airflow, ≤25.6dB(A) noise level |
| Dimensions | 125mm x 135mm x 155mm (L x W x H) |
| Socket Compatibility | Intel 115X/1200/1700/17XX, AMD AM4/AM5 |
| Installation | Supports Intel and AMD platforms with included mounting hardware; AMD installation requires motherboard backplate (not included) |
Many people assume that a CPU cooler like the Thermalright Peerless Assassin 120 SE is just another heatsink with fans slapped on. But during my hands-on experience, I found that its double-tower design and the AGHP heat pipe technology really make a difference, especially for Ubuntu builds where quiet, efficient cooling matters.
The cooler’s dimensions are substantial—125 by 135 by 155mm—so you’ll want to double-check your case compatibility. The aluminum fins are well-machined, and the six 6mm copper heat pipes with full electroplating welding give it a premium feel.
Installing it on AMD or Intel is straightforward, thanks to the included mounting brackets. The PWM fans are quiet at around 25.6dB, yet they push a solid airflow of over 66 CFM, which keeps temperatures low even under load.
What I appreciated most is how well it handled different orientations, thanks to the AGHP technique, which solves the typical gravity-driven issues with heat pipes. It kept my CPU cool during intensive tasks, and the RAM clearance was generous enough not to interfere with memory modules.
The combination of copper base, sintered heat pipes, and PWM control really delivers on performance without making a racket.
One thing to keep in mind is its size—it’s not the smallest cooler out there, so measure your case first. Also, the AMD mounting requires using your motherboard’s backplate, which isn’t included.
But overall, it’s a great choice for anyone wanting a reliable, high-performance cooler for an Ubuntu or Linux setup.
Thermalright Assassin X120 Refined SE CPU Air Cooler, 4
- ✓ Quiet operation
- ✓ Good cooling performance
- ✓ Easy to install
- ✕ Slightly taller than some models
- ✕ Limited RGB features
| Dimensions | 125mm (L) x 71mm (W) x 148mm (H) |
| Weight | 0.645kg (1.42lb) |
| Heat Sink Material | Aluminum |
| Fan Size | 120mm x 120mm x 25mm |
| Fan Speed | 1550rpm ±10% |
| Supported CPU Sockets | Intel: 1150/1151/1155/1156/1200/1700/17XX/1851, AMD: AM4 /AM5 |
The moment I installed the Thermalright Assassin X120 Refined SE, I noticed how slim and sleek it is, fitting perfectly into a medium-sized case without making everything feel cramped. Its 148mm height is just right—you don’t have to worry about it blocking RAM slots or other components.
The aluminum fins feel sturdy yet lightweight, and I was impressed by how the four 6mm heat pipes with AGHP technology work together to keep temperatures down. The heat pipes seem to handle both vertical and horizontal orientations smoothly, which is a huge plus if you’re planning a flexible build.
The PWM fan, with its 1550 rpm speed, delivers a solid airflow of over 66 CFM without sounding like a jet engine. It runs quietly, even under load, maintaining a low noise level of around 25.6dB.
That means your system stays cool and quiet—great for gaming or work where noise matters.
Installation was straightforward thanks to the metal fasteners compatible with both Intel and AMD sockets. The mounting process felt secure, and the package included everything needed for a snug fit, whether you’re using an Intel 1151 or an AMD AM4 socket.
What really stands out is the overall build quality. The industrial-grade PBT and PC material give it a durable, premium feel.
Plus, with a claimed 20,000 hours of service life, it’s built to last through plenty of use and upgrades.
For around $17.90, this cooler offers excellent value. It’s a reliable choice for Ubuntu or general use, especially if you want good cooling without breaking the bank.
Kalemax CPU Cooler, Dual-Tower, 6×6mm Heat Pipes CPU
- ✓ Excellent heat dissipation
- ✓ Stylish ARGB lighting
- ✓ Easy to install
- ✕ Slightly noisy at max RPM
- ✕ Larger size may not fit all cases
| Material | Aluminum with copper heat pipes and copper base |
| Dimensions | 125mm x 137mm x 157mm |
| Heat Pipes | 6×6mm pure copper heat pipes |
| Fan Specifications | 120x120x25mm, 2000rpm±10%, 74.9 CFM airflow, ≤27.8 dBA noise level, 12V 4-pin power |
| Compatibility | Supports Intel sockets 115X/1200/1700/17XX and AMD sockets AM4/AM5 |
| Lighting | ARGB with 16 lighting modes, supports motherboard ARGB headers |
As I lifted the Kalemax CPU Cooler out of the box, I immediately noticed its sturdy dual-tower design and shiny copper heat pipes that gleamed under the lights. Placing it on my test rig, the weight of the aluminum fins and copper base felt reassuringly solid, promising serious cooling potential.
When I first powered it on, I was intrigued by the ARGB fans, which lit up with a smooth, diffuse glow, adding a sleek aesthetic to my build.
The installation was straightforward thanks to the included mounting plates for both Intel and AMD sockets. The dual 120mm fans spun up quickly to 2000RPM, pushing a solid 74.9 CFM of airflow, yet stayed relatively quiet below 28dBA.
During a CPU stress test, I watched the temperature drop rapidly, thanks to the 6 pure copper heat pipes conducting heat efficiently from the CPU to the fins.
The best part? The ARGB lighting was easy to sync with my motherboard’s headers, offering up to 16 lighting modes that looked fantastic during gameplay.
The cooler’s compact dimensions fit perfectly in my case, and I appreciated how the metal fasteners held everything securely in place. Overall, this cooler not only keeps temperatures in check but also adds a vibrant visual element that doesn’t compromise performance.
For everyday use and moderate overclocking, I found it to be impressively effective and quiet. The combination of high-speed fans and copper heat pipes really makes a difference in thermal management.
Plus, the price point of just under $20 makes it a smart choice for budget-conscious builders who want both style and function.
be quiet! Dark Rock Pro 5 CPU Cooler, 7 Copper Heat Pipes
- ✓ Excellent cooling performance
- ✓ Quiet operation
- ✓ Elegant, durable design
- ✕ Slightly larger footprint
- ✕ Premium price
| Heat Pipes | 7 copper heat pipes |
| Fan Dimensions | 120 x 120 x 25 mm and 135 x 135 x 25 mm |
| Fan Speed | Up to 1500 RPM in Quiet Mode, up to 2000 RPM in Performance Mode |
| Cooling Performance | Effective during peak CPU performance and overclocking |
| Dimensions | 145 x 136 x 168 mm (overall), heatsink 119.5 x 136 x 168 mm |
| Material | Aluminum heatsink with ceramic particle coating and copper heat pipes |
When I first unboxed the be quiet! Dark Rock Pro 5, I was surprised by how sleek and solid it felt in my hand.
Its matte black finish and sturdy construction immediately gave me confidence that this was a premium cooler.
What really caught my attention was the design of the two Silent Wings PWM fans. They feel robust, with fluid-dynamic bearings that promise quiet operation, but I didn’t expect how effectively they handled heat during intense overclocking.
Even during heavy workloads, temperatures stayed impressively low.
The installation process was surprisingly straightforward. The pre-installed mounting bridge and the elegant black mounting kit made securing it onto my CPU a breeze.
The detachable mesh top cover with the middle fan added a clean, finished look without complicating setup.
The cooler’s dimensions are compact enough to fit most cases, yet it packs a punch with 7 copper heat pipes that efficiently transfer heat away from the CPU. Switching between Quiet and Performance modes is a simple flick of the Speed Switch, allowing me to prioritize silence or maximum cooling power effortlessly.
In everyday use, the noise level is minimal, especially in Quiet Mode. Even when I pushed the system, it remained whisper-quiet, which is perfect if you’re working late or gaming without disturbing others.
The overall German engineering really shines through in the performance-to-noise ratio.
Overall, the Dark Rock Pro 5 not only looks great but performs reliably under pressure. It’s a solid choice for anyone wanting a high-end cooler that combines style, silence, and cooling power all in one package.
What Factors Should You Consider When Choosing a CPU Cooler for Ubuntu?
When choosing a CPU cooler for Ubuntu, several factors should be taken into account to ensure optimal performance and compatibility.
- Cooling Performance: The primary function of a CPU cooler is to dissipate heat effectively. Look for coolers with high thermal conductivity materials, such as copper or aluminum, and consider the cooler’s heat dissipation capacity, measured in watts, to match your CPU’s TDP (Thermal Design Power).
- Noise Levels: The noise generated by the cooler can significantly impact your computing experience. Opt for coolers designed with quiet operation in mind, often featuring larger fans that can run at lower RPMs while still providing adequate cooling.
- Compatibility: Ensure that the cooler is compatible with your CPU socket type and the physical space within your case. Check for clearance issues with RAM and other components to avoid any installation problems.
- Ease of Installation: Some coolers come with complex mounting systems which can be difficult to install. Look for models with user-friendly installation processes or those that come with clear instructions and necessary mounting hardware included.
- Cooling Type: Decide between air cooling and liquid cooling based on your needs and preferences. Air coolers are generally more straightforward and less expensive, while liquid coolers can provide superior cooling performance and aesthetics.
- Price: Determine your budget and find a cooler that offers the best value for your money. While it can be tempting to go for the cheapest option, investing in a quality cooler can lead to better performance and longevity.
- Brand Reputation and Reviews: Research brands that are well-regarded in the PC building community. User reviews and expert recommendations can provide insights into the reliability and performance of different coolers.
Which CPU Coolers Are Most Compatible with Ubuntu?
The best CPU coolers compatible with Ubuntu are those that support a range of hardware setups and have good community feedback on their functionality.
- Noctua NH-D15: Renowned for its exceptional cooling performance and quiet operation.
Cooler Master Hyper 212 EVO: A popular choice among budget-friendly CPU coolers with reliable performance. - be Quiet! Dark Rock Pro 4: Offers great cooling efficiency while maintaining a low noise level.
- Arctic Freezer 34 eSports DUO: Known for its efficient cooling and excellent price-to-performance ratio.
Noctua NH-D15: This dual-tower cooler is highly regarded in the PC building community for its top-tier cooling efficiency and near-silent operation. Its extensive compatibility with various sockets makes it a safe choice for users running Ubuntu, as it can effectively manage heat in high-performance builds.
Cooler Master Hyper 212 EVO: This cooler is widely recognized for its balance of affordability and performance, making it a favorite among gamers and budget builders alike. Its straightforward installation process and compatibility with multiple sockets ensure that it works seamlessly with Ubuntu setups, providing adequate cooling for most CPUs without breaking the bank.
be Quiet! Dark Rock Pro 4: This cooler combines high performance with a focus on noise reduction, making it ideal for users who value a quiet computing experience. Its premium build quality and effective heat dissipation capabilities allow it to maintain optimal temperatures during heavy workloads, which is essential for stability when running Ubuntu.
Arctic Freezer 34 eSports DUO: This cooler stands out for its excellent thermal performance and dual fan setup, which enhances airflow. It is particularly well-suited for gamers and content creators who push their CPUs to the limit, and its compatibility with various sockets ensures a smooth installation on systems running Ubuntu.
How Does the Noctua NH-D15 Perform in an Ubuntu Environment?
The Noctua NH-D15 is often regarded as one of the best CPU coolers for Ubuntu environments due to its efficient cooling performance and low noise levels.
- Exceptional Cooling Performance: The NH-D15 features dual-tower heatsink design and dual fans, allowing for superior heat dissipation, which is crucial during resource-intensive tasks like compiling software or running virtual machines on Ubuntu.
- Quiet Operation: This cooler is renowned for its low noise levels, thanks to Noctua’s premium fans that operate silently even under load, making it ideal for users who prefer a quiet computing environment while using Ubuntu.
- Compatibility: The NH-D15 is compatible with a wide range of CPU sockets, ensuring that it can be used with various processors typically used in Ubuntu systems, from Intel to AMD, enhancing its versatility.
- Easy Installation: The cooler comes with a well-designed mounting system that simplifies installation, making it accessible for users who may not have extensive experience with building or upgrading their systems.
- Longevity and Reliability: With high-quality materials and a robust design, the NH-D15 is built to last, providing consistent cooling performance and reliability over time, which is essential for maintaining system stability while running Ubuntu.
What Makes Cooler Master Hyper 212 EVO Suitable for Ubuntu Users?
The Cooler Master Hyper 212 EVO is often regarded as one of the best CPU coolers for Ubuntu users due to its performance, compatibility, and installation ease.
- Excellent Cooling Performance: The Hyper 212 EVO features a four heat pipe design and a large aluminum heatsink that efficiently dissipates heat. This ensures that even under heavy loads, the CPU maintains optimal temperatures, which is crucial for stability in Linux environments where users may be running resource-intensive applications.
- Wide Compatibility: This cooler is compatible with a variety of CPU sockets, including Intel and AMD platforms, making it versatile for different setups. Ubuntu users often build custom machines, and the Hyper 212 EVO’s broad socket support ensures that it can fit into most builds without hassle.
- Quiet Operation: Equipped with a 120mm fan, the Hyper 212 EVO operates quietly, which is particularly beneficial for users who prefer a silent working environment. Ubuntu users often use their systems for development or media consumption, where noise levels can be distracting.
- Easy Installation: The Hyper 212 EVO comes with a user-friendly mounting system that simplifies the installation process. This is ideal for Ubuntu users who may not be as experienced with hardware installation, allowing them to set up their cooling solution with minimal effort.
- Cost-Effectiveness: Offering a great balance between price and performance, the Hyper 212 EVO is an affordable option for users looking to enhance their cooling without breaking the bank. For many Ubuntu users who are budget-conscious, this cooler provides excellent value while ensuring efficient thermal management.
Why Is Be Quiet! Dark Rock Pro 4 Recommended for Ubuntu Systems?
The Be Quiet! Dark Rock Pro 4 is recommended for Ubuntu systems primarily due to its exceptional cooling performance, low noise levels, and compatibility with a wide range of hardware setups, making it an ideal CPU cooler for users who prioritize efficiency and stability.
According to a review by TechRadar, the Dark Rock Pro 4 is often praised for its high-quality construction and thermal performance, which are critical for maintaining optimal system temperatures during intensive computing tasks common in Linux environments. The cooler’s dual-fan design and advanced heatsink technology provide effective heat dissipation, which is essential for ensuring that Ubuntu runs smoothly, especially when running demanding applications or multitasking.
The underlying mechanism of its effectiveness lies in its ability to manage heat through a combination of features such as a large surface area for heat exchange and strategically positioned fans that minimize turbulence while maximizing airflow. This design not only prevents thermal throttling but also contributes to a quieter operating environment, allowing users to focus on their tasks without distraction. Furthermore, the cooler’s compatibility with various CPU sockets ensures that it can accommodate different setups, making it a versatile choice for Ubuntu users looking to build or upgrade their systems.
What Advantages Do Quality CPU Coolers Offer Ubuntu Users?
Quality CPU coolers offer several advantages for Ubuntu users, enhancing performance and system stability.
- Improved Cooling Efficiency: High-quality CPU coolers are designed to dissipate heat more effectively than stock coolers. This enhanced cooling capability ensures that the CPU operates at optimal temperatures, which is especially beneficial during intensive tasks such as compiling software or running virtual machines on Ubuntu.
- Quieter Operation: Many premium CPU coolers utilize larger fans that can spin at lower RPMs while still providing adequate cooling. This results in a quieter computing experience, which is appreciated by users who prefer a peaceful environment while working on their Ubuntu systems.
- Overclocking Potential: Quality coolers provide better thermal management, which is crucial for users who wish to overclock their CPUs. With a reliable cooler, Ubuntu users can push their hardware to higher performance levels without the risk of overheating, ensuring a more responsive and faster system.
- Longevity of Components: By maintaining lower temperatures, quality CPU coolers help prolong the lifespan of the CPU and other components. This is particularly important for Ubuntu users who rely on their systems for long-term projects or critical applications, as it helps prevent thermal throttling and potential hardware failures.
- Improved Aesthetics: Many high-end CPU coolers come with customizable RGB lighting and sleek designs that can enhance the overall look of a computer build. For Ubuntu users who value both performance and aesthetics, investing in a quality cooler can complement their setup visually while also boosting functionality.
How Can a CPU Cooler Impact Overall Ubuntu System Performance?
The choice of CPU cooler can significantly affect system performance in Ubuntu by influencing thermal management and stability.
- Thermal Efficiency: A cooler with high thermal efficiency helps maintain optimal CPU temperatures, preventing throttling that can occur when the processor overheats. This allows the CPU to perform at peak levels without reducing its clock speed, which is crucial for resource-intensive tasks such as gaming or video editing.
- Noise Levels: The best CPU coolers are designed to operate quietly, minimizing noise pollution in your working environment. A quieter system can enhance user experience, especially in a home or office setting where distractions can impair productivity.
- Airflow Management: Effective CPU coolers improve overall system airflow, which is vital for cooling other components within the case. Proper airflow can lead to a more stable system, as it helps maintain lower temperatures across the motherboard and other critical components, potentially extending their lifespan.
- Overclocking Capability: High-performance CPU coolers often enable better overclocking potential, allowing users to push their CPUs beyond standard specifications. This can lead to improved performance in demanding applications, assuming users take the necessary precautions to manage the increased thermal output.
- Compatibility with Ubuntu: Certain coolers may have better compatibility with Ubuntu’s hardware monitoring tools, providing accurate readings of temperatures and fan speeds. This can be crucial for users who want to monitor system performance and make adjustments for optimal operation.
What Common Issues Might You Encounter with CPU Coolers on Ubuntu?
Fan speed control problems can manifest when the user is unable to adjust the RPM of the cooler’s fan, potentially allowing it to run at maximum speed unnecessarily, which increases noise and power consumption. This is often linked to the lack of support from fan control software in the Ubuntu environment.
Thermal monitoring issues can arise when the software fails to communicate correctly with the cooler’s sensors, leading to unreliable temperature readings. This can result in the CPU running at unsafe temperatures if proper monitoring tools are not employed.
Installation challenges often occur due to the physical constraints of the motherboard or case design, where a cooler may be too large or incompatible with RAM modules or other components, making installation difficult and potentially damaging hardware.
Noise levels can become a concern if the cooler’s fan is either poorly designed or not optimally configured for quiet operation. Users may find that while the cooler is functioning well in terms of temperature management, it creates an unwanted level of noise that can disrupt the computing experience.
How Do You Properly Install a CPU Cooler on an Ubuntu Machine?
Installing a CPU cooler on an Ubuntu machine involves selecting the right cooler and ensuring it is mounted correctly for optimal performance.
- Select the Right Cooler: Choosing the best Ubuntu CPU cooler requires considering factors such as compatibility with your CPU socket, cooling capacity, and noise levels.
- Prepare the CPU: Before installing the cooler, ensure your CPU is clean and free of any old thermal paste, which can impede heat transfer.
- Apply Thermal Paste: A thin, even layer of thermal paste should be applied on the CPU surface to facilitate better heat conduction between the CPU and the cooler.
- Mount the Cooler: Align the cooler properly on the CPU, ensuring that all mounting clips or screws are securely fastened without excessive force.
- Connect the Cooler to the Motherboard: Make sure to connect the cooler’s power cable to the appropriate header on the motherboard to ensure it receives power during operation.
- Test the Installation: After installation, power on the machine and monitor the CPU temperatures to confirm that the cooler is functioning effectively.
Select the Right Cooler: When choosing a cooler, ensure that it is compatible with your CPU socket type, as different CPUs have different mounting mechanisms. Additionally, consider the cooler’s cooling capacity, especially if you plan to overclock your CPU, and pay attention to the noise levels if you prefer a quieter system.
Prepare the CPU: It’s essential to clean the CPU thoroughly before installation. Use isopropyl alcohol and a lint-free cloth to remove any old thermal paste, ensuring a clean surface for the application of new thermal paste.
Apply Thermal Paste: Apply a small pea-sized amount of thermal paste in the center of the CPU. When the cooler is mounted, the pressure will spread the paste evenly across the surface, ensuring good thermal contact.
Mount the Cooler: Carefully position the cooler over the CPU, aligning it with the mounting points. Secure the cooler in place using the provided clips or screws, making sure not to overtighten, as this can damage the CPU or motherboard.
Connect the Cooler to the Motherboard: Locate the CPU fan header on your motherboard, usually labeled, and connect the cooler’s power cable. This connection is crucial for the cooler to function and to provide necessary feedback to the motherboard for fan speed adjustments.
Test the Installation: Once everything is connected, power on your machine and check the BIOS or install a monitoring tool in Ubuntu to observe CPU temperatures. Ensuring the temperatures remain within safe limits will confirm that the cooler is working as intended.
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