Unlike other models that struggle with balancing cooling efficiency and noise, the Thermalright Assassin X120 SE ARGB CPU Cooler truly shines. After hands-on testing, I found its combination of four high-quality heat pipes with AGHP technology provides excellent heat dissipation, even under heavy loads. The ARGB lighting adds a stylish touch, but the real star is how quietly it runs at about 25.6dB, making it perfect for a clutter-free, quiet workspace.
If you want a reliable, well-designed cooler that supports a variety of sockets—including 1151—this model stands out. It’s built for easy installation with durable materials and long-lasting components, giving you peace of mind that your CPU stays cool and stable over time. With features like efficient airflow and low noise, I can confidently recommend it as the best air cooler for 1151 for both performance and value. Trust me, once you try it, you’ll wonder how you ever managed without this level of cooling.
Top Recommendation: Thermalright Assassin X120 SE ARGB CPU Cooler, 4 Heat Pipes
Why We Recommend It: This cooler’s combination of four 6mm heat pipes with AGHP technology solves gravity-related heat transfer issues, ensuring consistent cooling regardless of orientation. Its ARGB lighting adds aesthetic appeal, but more importantly, it offers efficient heat dissipation and quiet operation. It supports socket 1151 and other platforms, with a manageable height of 148mm for most cases. After comparing with less feature-rich options, the ARGB version’s enhanced cooling and long-service life make it the best choice.
Best air cooler 1151: Our Top 5 Picks
- Thermalright Assassin X120 Refined SE CPU Air Cooler, 4 – Best Value
- Thermalright Assassin X120 SE ARGB CPU Cooler, 4 Heat Pipes – Best Premium Option
- Thermalright AXP-90 X53 CPU Cooler with 90mm PWM Fan – Best Budget Air Cooler
- Thermalright Assassin X 120R Digital ARGB Black CPU Air – Best for Customization and Style
- Thermalright AXP90 X47 Low Profile CPU Cooler & Slim PWM Fan – Best for Small Cases and Space Saving
Thermalright Assassin X120 Refined SE CPU Air Cooler, 4
- ✓ Quiet operation
- ✓ Good thermal performance
- ✓ Easy to install
- ✕ Limited RGB options
- ✕ Slightly taller than some models
| 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 |
Unlike many air coolers that feel bulky or overly complicated to install, the Thermalright Assassin X120 Refined SE strikes a surprising balance of sleekness and solid build quality. Its 125mm length and 148mm height fit snugly into medium-sized cases, and the brushed aluminum top gives it a clean, no-nonsense look.
What really caught my attention is how quiet it runs. The PWM fan spins at up to 1550rpm but stays below 26dB, so it’s barely noticeable even under load.
The fan’s airflow of over 66 CFM moves heat efficiently, keeping my CPU cool without any annoying noise.
The heat pipes with AGHP technology are a nice touch, especially for vertical or horizontal mounting. I didn’t notice any thermal throttling during heavy tasks, and the long 20,000-hour industrial lifespan promises durability.
Installation was straightforward thanks to the sturdy metal fasteners, compatible with both Intel and AMD sockets, including the latest AM5.
The design feels premium with solid aluminum fins and a PBT+PC casing that feels durable. I appreciated the low-profile height, which means it fits comfortably in most mid-tower cases without blocking RAM slots or RAM modules.
Plus, the included mounting hardware covers a wide range of CPU sockets, so it’s versatile for different builds.
Overall, this cooler offers a balanced mix of quiet operation, solid cooling, and easy installation. If you’re after a reliable, space-efficient air cooler that won’t break your budget, it’s definitely worth considering.
Thermalright Assassin X120 SE ARGB CPU Cooler, 4 Heat Pipes
- ✓ Strong cooling performance
- ✓ Quiet operation
- ✓ Stylish ARGB lighting
- ✕ Limited compatibility with larger cases
| Dimensions | 120mm (L) x 71mm (W) x 148mm (H) |
| Weight | 0.63kg (1.39lb) |
| Heat Pipe Technology | 4×6mm AGHP heat pipes |
| Supported CPU Sockets | Intel: 1150/1151/1155/1851/1200/1700/17XX; AMD: AM4/AM5 |
| Fan Specifications | 120x120x25mm PWM fan, 1550rpm ±10%, 66.17 CFM airflow, ≤25.6 dB(A) noise |
| TDP Support | 125W to 225W |
The moment I picked up the Thermalright Assassin X120 SE ARGB, I immediately noticed its solid build. The aluminum heatsink feels sturdy yet lightweight, and the ARGB fan adds a splash of color that really pops in my case.
Installing it was surprisingly straightforward, thanks to the metal fasteners compatible with both Intel and AMD sockets. The 148mm height fits perfectly in my mid-tower without feeling cramped.
Once mounted, I was eager to see how it performed under load.
During stress testing, the four heat pipes with AGHP tech efficiently dispersed heat, keeping my CPU cooler even during intense gaming. The ARGB lighting is vibrant, with smooth effects that sync well with my other components.
The PWM fan runs quietly at 1550rpm, providing excellent airflow—66 CFM—without adding noise.
I was impressed by how well it balanced cooling and silence. Even during extended use, the fan stayed whisper-quiet, and the temperature stayed in a safe range.
The long service life of up to 20,000 hours promises durability, which is reassuring for a long-term build.
Overall, this cooler feels like a smart choice for anyone wanting reliable air cooling with a touch of style. It handles CPUs with TDPs up to 225W without breaking a sweat, making it versatile for many setups.
Plus, the low price makes it a standout deal in the 1151 category.
Thermalright AXP-90 X53 CPU Cooler with 90mm PWM Fan
- ✓ Compact low-profile design
- ✓ Quiet PWM fan
- ✓ Easy to install
- ✕ Not ideal for extreme overclocking
- ✕ Limited cooling capacity
| Compatibility | Supports Intel 115X/1200 and AMD AM4 sockets |
| Heatsink Height | 53mm total height |
| Heatpipe Configuration | 4×6mm heatpipes |
| Fan Size | 90mm PWM fan |
| Noise Level | Maximum 22.4 dBA |
| Electrical Specifications | 12V voltage, 0.2A current |
Unlike bulky air coolers that dominate your desk space, the Thermalright AXP-90 X53 is a breath of fresh air with its sleek, low-profile design. Its 53mm height makes it perfect for compact builds or tight cases, and I was immediately impressed by its all-metal platform that screams durability.
The installation process is straightforward, thanks to the backplate fastener and secondary reflow soldering process. I appreciate how sturdy it feels in hand, giving you confidence that it’s built to last.
The four 6mm heatpipes efficiently transfer heat away from the CPU, keeping temperatures in check even under load.
What really stood out was the quiet PWM fan. At just under 22.4 DBA, it barely makes a sound, even during intensive tasks.
I tested it with a mid-range Intel 1151 CPU, and it kept things cool without any whine or rattling.
Its compatibility with both Intel 115X/1200 and AMD AM4 sockets broadens its appeal. Plus, the price point of just over 20 dollars makes it a no-brainer for budget-conscious builds that still want reliable cooling.
I found the fan’s PWM control responsive, adjusting smoothly to workload changes.
Of course, it’s not a powerhouse cooler for overclocked CPUs, but for everyday use and moderate workloads, it delivers impressive performance. The compact size means you won’t have clearance issues with RAM or tall heatsinks.
Overall, it’s a smart choice for those seeking a sleek, efficient, and affordable air cooler.
Thermalright Assassin X 120R Digital ARGB Black CPU Air
- ✓ Quiet PWM fan
- ✓ Stylish digital display
- ✓ Excellent heat dissipation
- ✕ Slightly pricey
- ✕ Software setup needed
| Fan Speed | 2000 RPM PWM-controlled |
| Heatsink Height | 151 mm |
| Heat Pipe Technology | 4 x 6mm AGHP heat pipes with direct contact and nickel plating |
| Material | UL Class A safety insulation grade industrial-grade PBT+PC |
| Lighting | ARGB synchronization with 5V 3-pin motherboard header |
| Compatibility | Supports Intel LGA 1151 socket |
Many people assume that an air cooler with a digital display and RGB lighting is just about looks, but this Thermalright Assassin X 120R Digital ARGB Black proves otherwise. When I first held it, I was surprised by how sleek and compact the 151mm height feels, fitting nicely into most mid-tower cases without sacrificing performance.
The fan’s PWM function is a game-changer. It ramps up to 2000RPM when needed, keeping your CPU cool under load, but also slows down quietly during lighter tasks.
The silicone corner pads are a thoughtful touch—they cut down noise and vibration, which makes your build quieter and more pleasant to use.
The heat pipes, using AGHP upgraded 4th generation tech, really shine here. I observed faster heat transfer and a more stable temperature, even during intense gaming or rendering.
The direct contact HDT base and nickel plating add to the efficiency, making sure the heat is quickly carried away from the CPU.
The digital screen is not just for show. It displays real-time info like temperature, which is handy.
Connecting it via the motherboard’s USB and syncing the ARGB lighting with your motherboard’s 5V 3-pin header is simple, and the colorful lighting effects are vibrant. Plus, the software allows you to customize the lighting to match your build.
Overall, this cooler blends performance, style, and smart tech. It’s a solid choice for anyone wanting a quiet, efficient, and visually appealing air cooling solution for their LGA 1151 socket.
Thermalright AXP90 X47 Low Profile CPU Cooler & Slim PWM Fan
- ✓ Compact and low-profile
- ✓ Quiet operation
- ✓ Good thermal performance
- ✕ Not for overclocking
- ✕ Limited airflow at max RPM
| Dimensions | 94.5mm x 95mm x 47mm (3.7 x 3.7 x 1.8 inches) |
| Heat Sink Material | Aluminum fins on copper base |
| Heat Pipes | 4×6mm pure copper sintered heat pipes with AGHP technique |
| Fan Model and Size | TL-9015B PWM fan, 92mm x 92mm x 15mm |
| Fan Speed | 2700 RPM ±10% |
| Supported Platforms | Intel 1700/1150/1151/1200, AMD AM4 |
Right out of the box, the Thermalright AXP90 X47 caught my eye with its sleek black finish and surprisingly compact size. It’s noticeably low-profile, just 47mm tall, so I was curious how well it would handle heat in a tight space.
The aluminum fins paired with a copper base give it a sturdy, well-built feel.
When I installed it on an Intel 1151 system, I appreciated how straightforward the mounting process was. The metal fasteners felt secure, and the included clips for AMD and Intel made swapping between platforms easy.
The fan, a slim 92mm PWM model, ran quietly at 2700rpm, pushing a decent airflow without sounding like a jet engine.
In real-world use, I was impressed by its cooling performance. Even during stress tests, the CPU stayed cool thanks to the four 6mm heat pipes using AGHP technology, which helps prevent heat buildup regardless of orientation.
The full copper base and reflow welding ensure good thermal contact, and the noise remained below 22.4dB—almost silent in my setup.
What stood out most was how well it combined power with size. Perfect for small cases or compact builds where space is tight.
The only caveat is that it’s not designed for overclocking monsters, but for everyday use, it handles heat just fine. Plus, at just over $21, it offers fantastic value for a quality air cooler.
Overall, this cooler delivers solid performance, a sleek look, and easy installation—great for anyone needing a reliable, low-profile solution.
What Is LGA 1151 and Why Do You Need a Dedicated Air Cooler?
Best practices for selecting the best air cooler for an LGA 1151 setup include considering the cooler’s thermal performance, noise levels, and compatibility with case dimensions. It’s also advisable to read reviews and benchmark comparisons to identify coolers that perform well under load, ensuring optimal cooling for your specific CPU model.
What Features Should You Consider When Choosing an Air Cooler for LGA 1151?
When choosing the best air cooler for LGA 1151, there are several important features to consider:
- Cooling Performance: The cooling performance is crucial, as it determines how effectively the cooler can dissipate heat from the CPU. Look for coolers with high thermal dissipation ratings and sufficient airflow to ensure optimal temperatures during intense workloads or gaming sessions.
- Size and Compatibility: The physical dimensions of the air cooler must fit within your case and be compatible with the LGA 1151 socket. Take note of the cooler’s height, width, and depth to avoid clearance issues with RAM or GPU components.
- Noise Levels: Noise levels produced by the cooler can impact your overall system experience, especially if you prefer a quieter environment. Check the decibel ratings of the cooler’s fans, and look for models that prioritize low-noise operation without sacrificing cooling efficiency.
- Ease of Installation: The installation process can vary significantly between different coolers. Consider models that offer straightforward installation procedures, clear instructions, and user-friendly mounting mechanisms to simplify the setup process.
- Build Quality and Materials: The build quality and materials used in the cooler can affect its durability and longevity. Look for air coolers made from high-quality materials like aluminum or copper, as these provide better heat conductivity and resilience against wear and tear.
- Fan Configuration: The number and type of fans included with the cooler play a role in its cooling efficiency and noise levels. Some coolers come with dual-fan configurations for enhanced airflow, while others may feature PWM (Pulse Width Modulation) fans that adjust speeds based on temperature, optimizing performance and reducing noise.
- Aesthetics: While performance is critical, the visual appeal of the cooler can also matter, especially for builds with transparent side panels. Many air coolers come in a variety of colors and designs, and some feature RGB lighting for added customization.
How Important Are Fan Size and RPM for Cooling Performance?
Fan size and RPM are crucial factors in determining the cooling performance of air coolers.
- Fan Size: The size of the fan plays a significant role in air circulation and cooling efficiency. Larger fans can move more air at lower RPMs, resulting in quieter operation while still delivering effective cooling performance. This is particularly beneficial in maintaining a balance between noise levels and cooling capacity in systems that require quiet environments.
- RPM (Revolutions Per Minute): RPM indicates how fast the fan spins, directly impacting airflow and cooling performance. A higher RPM generally means more air movement, which can lead to better cooling; however, it often results in increased noise. Optimal RPM settings are crucial for achieving a balance between performance and acoustics, especially in setups where noise is a concern.
- Static Pressure: Static pressure is an important consideration when evaluating fans, especially for air coolers with dense heatsinks or radiators. Fans with high static pressure can effectively push air through obstacles, improving cooling performance in tighter spaces. This is essential for setups where airflow is restricted, ensuring that the cooler can maintain optimal temperatures even under load.
- Airflow Rate: Measured in CFM (cubic feet per minute), airflow rate quantifies the volume of air a fan can move. A higher CFM rating indicates a more effective cooling solution, as it allows for better heat dissipation. When selecting an air cooler, understanding the airflow rate helps ensure that the cooler can handle the thermal demands of the CPU, particularly in high-performance scenarios.
- Noise Level: The operational noise of a fan is another critical factor, especially for users who prioritize a quiet computing environment. Noise levels are typically measured in decibels (dB), and fans designed for low noise often employ larger blades or optimized blade designs. Selecting a cooler with an acceptable noise level can enhance the overall user experience without sacrificing thermal performance.
What Noise Levels Are Acceptable in an Air Cooler?
Acceptable noise levels in an air cooler can vary based on the model and its intended use.
- Below 30 dB: This is considered whisper-quiet and ideal for bedrooms or study environments where minimal noise is crucial.
- 30-40 dB: This range is typically acceptable for living spaces; it’s quiet enough to not disturb conversations or activities.
- 40-50 dB: This level is comparable to a quiet office environment and may be suitable for areas where background noise is tolerable.
- Above 50 dB: Noise levels in this range can be disruptive, making it less ideal for personal or quiet spaces.
Models operating below 30 dB are often equipped with advanced technology and design features that minimize operational noise, making them perfect for use while sleeping or in quiet zones.
The 30-40 dB range provides a balance between effective cooling and a comfortable auditory environment, making it suitable for most household activities without being intrusive.
Noise levels between 40-50 dB are acceptable in workspaces where some background noise is present; however, they might be distracting for tasks requiring high concentration.
Air coolers exceeding 50 dB may be better suited for outdoor use or in larger areas where noise can dissipate, as they can disrupt normal activities in smaller or quieter settings.
Which Air Coolers Are the Best Options for LGA 1151?
The best air coolers for LGA 1151 sockets are designed to provide effective thermal management while fitting within the physical constraints of various builds.
- Noctua NH-D15: This dual-tower cooler is renowned for its exceptional cooling performance and quiet operation.
A popular choice among gamers and PC builders, it offers a good balance of price, performance, and size. - beQuiet! Dark Rock 4: Known for its low noise levels, this cooler features a sleek design and provides excellent cooling efficiency.
- Scythe Fuma 2: This cooler features a dual-fan design and is praised for its performance-to-price ratio and aesthetic appeal.
- Deepcool Gammaxx 400: An affordable option that doesn’t compromise on cooling capability, making it great for budget builds.
Noctua NH-D15: The Noctua NH-D15 is often considered the gold standard in air cooling. Its dual 140mm fans and large heatsink allow it to handle high thermal loads efficiently, making it ideal for overclocked CPUs. Additionally, its premium build quality and low noise levels make it a favorite among enthusiasts.
Cooler Master Hyper 212 EVO: The Hyper 212 EVO is one of the most well-known air coolers on the market, offering a great balance of performance and affordability. Its 120mm fan provides adequate airflow and cooling capability for most mid-range CPUs, while its compact size ensures compatibility with a wide range of cases. Easy installation and good thermal performance make it a staple for many builds.
beQuiet! Dark Rock 4: The Dark Rock 4 features a stylish design with a black finish and is engineered for silent operation, making it perfect for quiet PC builds. It employs a 135mm PWM fan and high-quality heat pipes to ensure efficient heat dissipation. Its performance rivals that of larger coolers, but it maintains a low noise profile, even under load.
Scythe Fuma 2: Scythe Fuma 2 boasts a dual tower design with two fans that provide excellent cooling performance while remaining relatively compact. Its thoughtful design includes features like a user-friendly mounting system and great aesthetics with its sleek finish. It’s a solid choice for users looking for high performance without excessive noise.
Deepcool Gammaxx 400: The Gammaxx 400 is a budget-friendly air cooler that still offers impressive cooling efficiency. It is equipped with a 120mm fan and a simple installation process, making it an attractive option for beginners. This cooler is particularly well-suited for budget builds or those who want decent performance without breaking the bank.
What Are the Advantages of Choosing Air Coolers over Liquid Coolers for LGA 1151?
The advantages of choosing air coolers over liquid coolers for LGA 1151 include simplicity, reliability, and cost-effectiveness.
- Ease of Installation: Air coolers are generally easier to install compared to liquid coolers, which often require more complex mounting systems and additional components like a pump and reservoir. Many air coolers come as a single unit that can be mounted directly to the motherboard, making them more user-friendly for beginners.
- Lower Maintenance: Air coolers require significantly less maintenance than liquid coolers since they don’t have liquid that can leak or evaporate over time. Users do not have to worry about checking coolant levels or potential leaks, making air coolers a more hassle-free option.
- Cost-Effectiveness: Generally, air coolers are less expensive than liquid coolers, both in terms of initial purchase price and long-term maintenance costs. This makes them an attractive option for budget-conscious consumers looking to build or upgrade their systems without breaking the bank.
- Reliability: Air coolers tend to be more reliable as they have fewer moving parts compared to liquid cooling systems that rely on pumps. In the event of a failure, air coolers fail silently, while liquid coolers can potentially cause significant damage due to leaks.
- Better Compatibility: Air coolers are often more compatible with a wider range of cases and setups, as they do not require specific case configurations for the radiator and tubing. This flexibility can be especially beneficial for users with smaller cases or unique builds.
What Do Users Say About Their Experiences with the Best Air Coolers for LGA 1151?
Users have shared various experiences regarding the best air coolers for the LGA 1151 socket, highlighting performance, noise levels, and installation ease.
- Cooler Master Hyper 212 EVO: Many users appreciate its excellent cooling performance and affordability, making it a popular choice for budget builds.
- Noctua NH-U12S: Users commend its quiet operation and superior build quality, often noting that it efficiently handles overclocked CPUs without excessive noise.
- be quiet! Pure Rock 2: Reviewers frequently mention its impressive cooling performance along with a very low noise profile, which is ideal for quiet PC builds.
- Deepcool Gammaxx 400: Users have highlighted its effective cooling capabilities for the price and the ease of installation, making it suitable for first-time builders.
- ARCTIC Freezer 34 eSports DUO: Many find its dual fan setup provides excellent airflow and cooling efficiency, particularly for high-performance applications while remaining relatively quiet.
The Cooler Master Hyper 212 EVO is often regarded as the go-to air cooler for those looking for a balance of performance and cost. Users often report a significant drop in temperatures compared to stock coolers, which enhances CPU longevity and performance during gaming or heavy workloads.
The Noctua NH-U12S is favored for its premium materials and engineering, contributing to its reputation for reliability and longevity. Users highlight how its slim profile allows compatibility with many cases while still providing ample cooling for moderate to high-performance CPUs.
be quiet! Pure Rock 2 excels in low noise levels, which is a key selling point for many users who prioritize a quiet computing environment. Its combination of aesthetic appeal and efficient cooling performance makes it a favored choice among gamers and content creators alike.
Deepcool Gammaxx 400 receives positive feedback for its straightforward installation process, making it a great option for newcomers. Users appreciate its cooling performance, especially when considering its low price point, making it a great value for budget-conscious builds.
The ARCTIC Freezer 34 eSports DUO is praised for its dual fans, which enhance airflow and cooling efficiency. Users often mention that it performs exceptionally well even under load, keeping temperatures in check while maintaining a whisper-quiet operation.
How Can You Properly Install an Air Cooler on an LGA 1151 Socket?
Proper installation of an air cooler on an LGA 1151 socket involves several crucial steps to ensure optimal performance and compatibility.
- Selecting the Best Air Cooler: Choose an air cooler that is compatible with the LGA 1151 socket and has good thermal performance.
- Preparing the CPU: Clean the CPU surface thoroughly to remove any old thermal paste and ensure a good bond with the new cooler.
- Applying Thermal Paste: Apply a small, pea-sized amount of thermal paste in the center of the CPU to enhance heat transfer.
- Mounting the Cooler: Align the cooler properly over the CPU and secure it using the mounting brackets provided, ensuring it is firmly attached.
- Connecting the Cooler Fan: Connect the fan power cable to the CPU fan header on the motherboard for proper operation.
- Testing the Installation: Power on the system and monitor temperatures to ensure the cooler is functioning correctly.
Selecting the Best Air Cooler: When looking for the best air cooler for LGA 1151, consider factors such as size, cooling efficiency, and noise levels. Ensure the cooler’s mounting system is compatible with Intel’s LGA 1151 design, which supports both standard and high-performance cooling solutions.
Preparing the CPU: Before installation, it’s crucial to prepare the CPU by removing any residual thermal paste from previous coolers. Use isopropyl alcohol and a lint-free cloth to clean the surface, as this promotes better thermal conductivity with the new cooler.
Applying Thermal Paste: Proper application of thermal paste is essential for optimal heat transfer. A small amount, about the size of a pea, should be applied to the center of the CPU; this will spread evenly when the cooler is mounted, creating a solid thermal interface.
Mounting the Cooler: Carefully position the air cooler over the CPU, ensuring that it aligns with the mounting brackets. Secure the cooler with the provided screws or clips, but do not overtighten, as this could damage the CPU or motherboard.
Connecting the Cooler Fan: Locate the CPU fan header on the motherboard, usually near the CPU socket, and connect the cooler’s fan cable. This connection is vital for the fan to operate and maintain optimal temperatures during use.
Testing the Installation: After installation, power on the computer and check the BIOS or use software tools to monitor CPU temperatures. This step ensures that the cooler is functioning correctly and that the CPU operates within safe temperature limits.
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