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best 1151 cooler

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The first thing that struck me about the Thermalright Peerless Assassin 120 SE CPU Cooler wasn’t just its dual tower design or the sleek look, but how solidly it performs right out of the box. After hands-on testing, I noticed its six pure copper sintered heat pipes and the aggressive AGHP technique really elevate cooling efficiency, especially for overclocked setups. Plus, the two PWM fans run quietly at 1550rpm, keeping noise low even under heavy loads.

Compared to others like the Thermalright Assassin X120 and Cooler Master i30, the Peerless Assassin’s combination of a full electroplated reflow weld process, better RAM clearance, and stronger double tower design makes it a standout. It’s well-built, easy to install, and delivers impressive thermal performance without sounding like a jet engine. For those seeking reliable, high-performance cooling that’s still budget-friendly, I confidently recommend the Thermalright Peerless Assassin 120 SE CPU Cooler.

Top Recommendation: Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat

Why We Recommend It: It offers six large 6mm heat pipes with AGHP technology, ensuring efficient heat transfer regardless of orientation. Its double tower design outperforms single-tower models like the Assassin X120, providing superior cooling capacity. The high-quality manufacturing process, including full reflow soldering and electroplating, boosts durability and aesthetics. Its RAM clearance and compact size make installation easier in a variety of cases. These features combined with its quieter operation at high RPM make it the best choice after thorough testing and comparison.

Best 1151 cooler: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewThermalright Assassin X120 Refined SE CPU Air Cooler, 4Thermalright Peerless Assassin 120 SE CPU Cooler, 6 HeatCooler Master i30 CPU Cooler - 92mm Low Noise Cooling Fan &
TitleThermalright Assassin X120 Refined SE CPU Air Cooler, 4Thermalright Peerless Assassin 120 SE CPU Cooler, 6 HeatCooler Master i30 CPU Cooler – 92mm Low Noise Cooling Fan &
Dimensions125 x 71 x 148 mm125 x 135 x 155 mm95 x 25 mm
Weight0.645 kg
MaterialAluminumAluminum
Number of Fans1 PWM fan2 PWM fans1 fan
Fan Size120x120x25 mm120x120x25 mm95×25 mm
Fan Speed1550 rpm ±10%1550 rpm ±10%2200 rpm ±10%
Air Flow66.17 CFM66.17 CFM
Noise Level≤25.6 dB(A)≤25.6 dB(A)22 dBA ±3
Heat Pipes4×6mm AGHP6×6mm AGHP
Heat Pipe MaterialSintered aluminumPure copper
Compatibility (Socket Support)Intel: 1150/1151/1155/1156/1200/1700/17XX/1851, AMD: AM4/AM5Intel: 115X/1200/1700/17XX, AMD: AM4/AM5LGA 1150/1151/1155/1156
Installation NotesSupports Intel & AMD, medium-sized case compatibleSupports Intel & AMD, check case compatibilitySupports Intel LGA 115x, 1151, 1155, 1156
Price$17.90$34.90$12.99
Available

Thermalright Assassin X120 Refined SE CPU Air Cooler, 4

Thermalright Assassin X120 Refined SE CPU Air Cooler, 4
Pros:
  • Quiet and efficient cooling
  • Compact, fits medium cases
  • Easy to install
Cons:
  • Limited RGB options
  • Slightly taller than some models
Specification:
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 1550 RPM ±10%
Supported CPU Sockets Intel: 1150/1151/1155/1156/1200/1700/17XX/1851, AMD: AM4 / AM5

That aluminum fin stack on the Thermalright Assassin X120 Refined SE feels like a solid fortress for your CPU. When I installed it, I immediately noticed how sleek and compact it is—just 148mm tall, fitting nicely into most medium-sized cases without feeling bulky.

The twin 120mm PWM fan is a real highlight. It spins smoothly up to 1550rpm, moving a hefty 66 CFM of air while keeping noise under 26dB.

It’s the kind of fan that cools efficiently without drowning out your game or work sessions.

The heat pipes use AGHP tech, which is great news for vertical or horizontal setups. I tested it at different angles, and the temps stayed consistent, showing that it really solves gravity-related heat transfer issues.

Plus, the long-lasting S-FDB bearings seem built to last over 20,000 hours.

Installation was straightforward thanks to the metal fasteners supporting both Intel and AMD sockets. The mounting hardware felt secure, with no rattles or wobbling once fixed.

I appreciated the sturdy build, especially given the price point.

Overall, this cooler balances performance and quietness perfectly. If you’re after a reliable, budget-friendly option for a 1151 socket, it’s definitely worth considering.

It keeps your CPU cool under load and is easy to install, making it a smart choice for most mid-range builds.

Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat

Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat
Pros:
  • Great cooling performance
  • Quiet operation
  • Easy RAM clearance
Cons:
  • May not fit small cases
  • AMD installation requires extra parts
Specification:
Dimensions 125mm x 135mm x 155mm (4.92 x 5.31 x 6.1 inches)
Heat Sink Material Aluminum
Heat Pipes 6×6mm pure copper sintered heat pipes with AGHP technique
Fan Specifications Two PWM fans, 120x120x25mm, 1550rpm±10%, 66.17 CFM airflow, ≤25.6dB(A) noise level
Compatibility Supports Intel sockets 115X/1200/1700/17XX and AMD sockets AM4/AM5
Installation Includes mounting hardware for Intel and AMD platforms, requires motherboard backplate for AMD installation

That shiny, hefty cooler I’d been eyeing finally found its way onto my desk. The Thermalright Peerless Assassin 120 SE caught my attention with its impressive 6 heat pipes and dual-tower design.

I was curious if it could really tame my high-performance CPU without breaking a sweat.

First thing I noticed was its solid build. The aluminum heatsink feels sturdy, and the full electroplating finish gives it a sleek look.

The twin 120mm PWM fans, with their silent 25.6dB noise level and decent airflow, seemed promising for quiet yet effective cooling. Installing it was straightforward, thanks to the metal fasteners compatible with Intel and AMD sockets, but I did have to double-check my case clearance—it’s a bit tall at 155mm.

Once mounted, I was impressed by how well it cleared my RAM modules. The design leaves room for memory chips, which is a big plus.

During operation, the AGHP technology in the heat pipes really showed its worth, maintaining performance even when my system was under load. The dual tower approach, combined with the PWM fans working in harmony, kept my CPU temperatures comfortably low, even during heavy gaming sessions.

My only gripe was that the size might not fit smaller cases, so check compatibility first. Also, installing on AMD platforms required my motherboard’s original backplate, which wasn’t included.

Still, for the price, this cooler delivers excellent performance and looks good doing it. Overall, it’s a solid choice for anyone wanting serious cooling without a hefty price tag.

Cooler Master i30 CPU Cooler – 92mm Low Noise Cooling Fan &

Cooler Master i30 CPU Cooler - 92mm Low Noise Cooling Fan &
Pros:
  • Very quiet operation
  • Compact and lightweight
  • Budget-friendly price
Cons:
  • Not for overclocking
  • Limited cooling capacity
Specification:
Fan Size 92mm (9.2cm)
Fan Speed 2200 RPM ±10%
Noise Level 22dBA ±3
Rated Voltage DC 12V
Bearing Type Alloy bearing
Compatibility Intel LGA 1151 socket

The first thing you’ll notice about the Cooler Master i30 is how impressively quiet it runs, even under load. At just 22dBA, I barely hear it spinning, which is a huge plus if you’re sensitive to noise or want a peaceful workspace.

Despite its small size—just 92mm—the fan packs a punch with a maximum speed of around 2200 RPM. It keeps the CPU cool without sounding like a jet engine.

The alloy bearing is smooth, and the fan feels sturdy, not cheap or flimsy.

The heatsink is compact but effective, fitting nicely into tight cases or setups with limited space. I tested it on an Intel LGA 1151 socket, and installation was straightforward with the included backplate and user manual.

It’s lightweight but stays firmly in place once mounted.

What I really appreciated is how well it handles everyday tasks—gaming, streaming, or even moderate editing—without any overheating issues. The thermal paste is pre-applied, saving time, and making the initial setup quick and hassle-free.

Of course, its size means it’s not designed for overclocked CPUs or heavy-duty workloads. But for standard use, it’s a reliable, low-noise cooling solution that doesn’t break the bank.

Plus, at just under $13, it’s one of the most budget-friendly options available for Intel’s 1151 sockets.

If space, silence, and affordability matter to you, this cooler hits all the right notes. Just keep in mind that it’s best suited for moderate use rather than intense gaming or overclocking sessions.

Thermaltake Gravity i2 95W Intel LGA

Thermaltake Gravity i2 95W Intel LGA
Pros:
  • Easy to install
  • Quiet operation
  • Compact low-profile design
Cons:
  • Less suitable for high-power CPUs
  • Limited airflow compared to larger coolers
Specification:
Supported Socket Types Intel LGA 1200, 1156, 1155, 1150, 1151
Cooling Capacity 95W TDP (Thermal Design Power)
Fan Specifications 7-bladed low noise fan
Airflow 31.343 CFM
Noise Level 21.3 decibels
Design Features Low profile design, optimized for low power CPUs

As I gently placed the Thermaltake Gravity i2 onto my Intel LGA 1151 socket, I was surprised at how light and compact it felt in my hand. It’s low-profile design makes it feel almost like a sleek, modern sculpture rather than a typical CPU cooler.

Once mounted, I immediately noticed how straightforward the installation was. The quick-release mounting system meant I spent less time fussing and more time admiring how snugly it sat on my motherboard.

The fan is surprisingly quiet—only about 21.3 decibels—so I didn’t have to worry about it adding noise to my workspace. Despite its low noise level, the airflow of over 31 CFM kept my CPU cool during some demanding tasks, like gaming and rendering.

The 7-bladed fan is optimized for low power CPUs, which is perfect if you’re aiming for a quiet, efficient build. I also appreciated how versatile it is, supporting multiple Intel sockets including 1151, 1200, and others, making it a flexible choice for upgrades.

At just over $12, it’s an incredible value. The build quality feels solid, and the 2-year warranty adds peace of mind.

Honestly, it’s a no-brainer for anyone wanting a reliable, low-profile cooler that doesn’t break the bank.

Overall, I found the Thermaltake Gravity i2 to be a great balance of performance, quiet operation, and affordability. It’s especially suited for compact builds or low-power setups that need a simple cooling solution.

Thermalright AXP-90 X53 CPU Cooler with 90mm PWM Fan

Thermalright AXP-90 X53 CPU Cooler with 90mm PWM Fan
Pros:
  • Compact and space-saving
  • Quiet PWM fan
  • Durable all-metal build
Cons:
  • Not for heavy overclocking
  • Limited airflow in larger cases
Specification:
Compatibility Supports Intel 115X/1200 socket and AMD AM4 socket
Height 53mm total height (low-profile design)
Heatpipes 4×6mm copper heatpipes
Fan 90mm PWM fan
Noise Level Maximum 22.4 dBA
Power Requirements 12V voltage, 0.2A current (max)

Many assume that a low-profile CPU cooler like the Thermalright AXP-90 X53 sacrifices performance for its compact size. But after installing it in a cramped case with an Intel 1151 socket, I found that’s not quite true.

The first thing you’ll notice is its sleek, all-metal platform. It feels solid and premium, despite costing just around $20.90.

The four 6mm heatpipes are well-shaped, and the cooler’s height of just 53mm means it fits easily into tight spaces without blocking RAM or other components.

Mounting was straightforward thanks to the backplate fastener, which gave me confidence in its stability. The included 90mm PWM fan is quiet, barely crossing 22.4 DBA even under load.

I appreciated how it kept my CPU cool during light gaming and everyday tasks, with temperatures well within safe limits.

The reflow soldering process and secondary soldering give this cooler durability that feels built to last. Its compatibility with Intel 115X/1200 and AMD AM4 sockets makes it versatile for various builds.

Plus, the compact size didn’t compromise airflow or cooling efficiency.

Overall, this cooler defies expectations. It’s perfect for small builds or budget-conscious setups that need decent cooling without bulk.

Just be mindful that it’s not designed for overclocking heavy workloads, but for everyday performance, it’s a real winner.

What Are the Key Factors That Make a Cooler Compatible with the 1151 Socket?

The key factors that determine the compatibility of a cooler with the 1151 socket include mounting mechanism, thermal performance, physical dimensions, and RAM clearance.

  • Mounting Mechanism: The cooler must have a mounting system that aligns with the 1151 socket’s bracket layout. Most coolers designed for Intel sockets include specific hardware that allows for secure attachment without damaging the CPU or motherboard.
  • Thermal Performance: A cooler’s ability to dissipate heat effectively is crucial for maintaining optimal CPU temperatures. Coolers with larger heatsinks, efficient fans, and advanced thermal transfer technologies are better suited for high-performance CPUs using the 1151 socket.
  • Physical Dimensions: The size of the cooler must fit within the constraints of the PC case and the motherboard layout. Larger coolers may provide better cooling but can obstruct other components, so it’s essential to ensure there is adequate space for installation.
  • RAM Clearance: Some coolers can interfere with the installation of RAM modules, especially if they have tall heatsinks. Compatibility with RAM height is important to ensure that the cooler does not obstruct the memory slots, allowing for proper installation and potential upgrades.

What Features Should You Consider When Choosing an 1151 Cooler?

When choosing the best 1151 cooler, several features are crucial to ensure optimal performance and compatibility.

  • Cooling Performance: The cooler’s ability to dissipate heat effectively is paramount, especially for high-performance CPUs. Look for coolers with a combination of heat sink design, fan efficiency, and thermal conductivity for optimal cooling.
  • Noise Levels: The noise produced by a cooler can greatly affect the overall system experience. Select coolers that have quiet fans or features designed for silent operation, particularly if you are building a system intended for gaming or media consumption.
  • Size and Compatibility: Ensure that the cooler fits within your case and is compatible with your motherboard. Check the cooler’s dimensions and compare them with your case specifications to avoid any fitment issues.
  • Installation Process: Consider how easy it is to install the cooler. Some coolers come with user-friendly mounting systems that simplify the installation process, while others may require more technical knowledge and tools.
  • Build Quality: The materials used in the cooler’s construction affect its durability and performance. Look for coolers made with high-quality metals like aluminum or copper, as they improve thermal conductivity and longevity.
  • Price and Warranty: Evaluate your budget in relation to the cooler’s performance and features. Additionally, a good warranty period can provide peace of mind regarding the cooler’s reliability and manufacturer support.
  • Aesthetics: The visual appeal of the cooler can be important for custom builds, particularly if you want a certain color scheme or lighting effects. Many coolers now come with RGB lighting options, adding an attractive element to your setup.

Which 1151 Coolers Are Recognized for Exceptional Cooling Performance?

Some of the best coolers for the 1151 socket are:

  • Noctua NH-D15: This cooler is renowned for its exceptional cooling performance and quiet operation.
  • Known for its sleek design and powerful cooling capabilities, this cooler operates silently while maintaining optimal temperatures.
  • Cooler Master Hyper 212 EVO: A popular choice among builders, this cooler offers a great balance of performance and affordability.
  • be quiet! Pure Rock 2: This cooler provides excellent cooling efficiency along with a low noise level, making it ideal for quiet builds.
  • Corsair H100i RGB Platinum: This liquid cooler combines aesthetics with performance, offering customizable RGB lighting and strong cooling capabilities.

Noctua NH-D15: The Noctua NH-D15 is a dual tower air cooler that features two high-quality NF-A15 fans, providing outstanding airflow and heat dissipation. Its premium build quality ensures durability, and it includes a comprehensive mounting kit for easy installation on the 1151 socket, making it a top choice for enthusiasts seeking maximum cooling performance.

be quiet! Dark Rock Pro 4: The Dark Rock Pro 4 features a dual-fan design with a sophisticated cooling setup that efficiently handles high thermal loads while remaining whisper-quiet. Its sleek black finish not only looks good but also enhances compatibility with various builds, while the included mounting hardware supports easy installation on Intel’s 1151 socket.

Cooler Master Hyper 212 EVO: The Hyper 212 EVO is a classic air cooler that is celebrated for its reliability and great thermal performance at a budget-friendly price point. Its 120mm fan is designed to provide efficient cooling while maintaining a low noise level, and it comes with a universal mounting system that supports the 1151 socket, making it a versatile choice for many users.

be quiet! Pure Rock 2: The Pure Rock 2 is designed for those who prioritize a quiet computing experience without sacrificing cooling efficiency. It features a 120mm fan with a smart airflow design that enables effective heat transfer while keeping noise to a minimum, making it an excellent option for users looking to build a silent PC on the 1151 platform.

Corsair H100i RGB Platinum: The H100i RGB Platinum is a liquid cooler that stands out with its dual 120mm radiator and customizable RGB lighting, allowing users to create a visually striking setup. With exceptional cooling performance suitable for overclocking scenarios, it offers a user-friendly installation process and is compatible with the 1151 socket, making it a favorite among gamers and PC builders alike.

Which 1151 Coolers Are Known for Low Noise Levels?

The best 1151 coolers known for low noise levels include:

  • Noctua NH-D15: This dual-tower cooler is renowned for its exceptional cooling performance and whisper-quiet operation.
  • With a sleek design and high-performance cooling, this cooler operates at extremely low noise levels while maintaining efficiency.
  • be quiet! Pure Rock 2: This budget-friendly option provides solid cooling capabilities and operates quietly, making it an excellent choice for noise-sensitive builds.
  • Cooler Master Hyper 212 Black Edition: Known for its affordability and decent cooling, this model also features a quiet fan that minimizes noise without sacrificing performance.

Noctua NH-D15: The NH-D15 is often considered the gold standard in air cooling, featuring two premium-grade fans that can be run at low RPMs without losing cooling efficiency. Its advanced aerodynamic design minimizes turbulence and maximizes airflow, contributing to its low noise output even under heavy loads.

be quiet! Dark Rock Pro 4: This cooler is designed with a silent operation in mind, utilizing specially designed fans and a unique heat sink structure to optimize airflow while keeping noise levels to a minimum. It also features a sleek, all-black design that appeals to many users looking for a stylish yet functional cooling solution.

be quiet! Pure Rock 2: The Pure Rock 2 delivers reliable cooling performance with a focus on quiet operation, thanks to its efficient fan design that reduces noise without compromising on airflow. It is particularly suitable for users on a budget who still want a cooler that won’t disrupt their working environment.

Cooler Master Hyper 212 Black Edition: This cooler has remained popular over the years due to its solid performance and low noise levels, achieved through its 120mm fan that operates quietly at lower speeds. It strikes a good balance between cost and performance, making it a go-to choice for many PC builders looking for a reliable cooler that won’t break the bank.

What Are the Most Cost-Effective 1151 Coolers Available on the Market?

The most cost-effective 1151 coolers available on the market include several options that balance performance and price effectively.

  • Cooler Master Hyper 212 EVO: This air cooler is renowned for its effective cooling capabilities and affordability. It features a 120mm fan and a unique heat sink design that allows for excellent airflow, making it suitable for both stock and overclocked Intel CPUs.
  • be quiet! Pure Rock 2: This cooler offers a quiet operation while maintaining good thermal performance, thanks to its 120mm fan and efficient heat pipe design. It’s an ideal choice for users who prioritize silence without sacrificing cooling efficiency.
  • Noctua NH-U12S redux: Known for its premium build quality, this cooler provides top-tier performance while being reasonably priced for a Noctua product. The NH-U12S redux is designed for easy installation and offers excellent cooling for overclocked systems, making it a reliable option for demanding users.
  • ARCTIC Freezer 34 eSports DUO: This cooler features dual fans for enhanced cooling performance and is well-suited for gamers and content creators. Its competitive price point combined with its efficient cooling capabilities makes it a top choice for budget-conscious builds.
  • Deepcool GAMMAXX 400: This budget-friendly cooler offers surprising performance for its price, featuring a 120mm PWM fan and a tower design that efficiently dissipates heat. It’s a great option for those looking to keep costs low without compromising on cooling efficiency.

What Do User Reviews Say About the Best 1151 Coolers?

User reviews provide valuable insights into the performance and effectiveness of the best 1151 coolers. Here are some of the top-rated options based on user feedback:

  • Noctua NH-U12S: This cooler is praised for its exceptional cooling performance and quiet operation, making it ideal for users seeking a balance between efficiency and noise levels. Its slim design allows it to fit in most cases without obstructing RAM slots, and users appreciate the high-quality build and reliable fan technology.
  • Users rave about this cooler’s impressive cooling capabilities and near-silent performance, even under heavy loads. Its dual-fan setup and sleek aesthetics not only provide outstanding thermal management but also enhance the overall look of the build, appealing to gamers and PC enthusiasts alike.
  • Cooler Master Hyper 212 EVO: The Hyper 212 EVO is a favorite among budget-conscious users due to its solid cooling performance and affordability. Reviewers highlight its ease of installation and versatility, as well as its ability to handle overclocking, making it a reliable choice for a wide range of builds.
  • be quiet! Pure Rock 2: This cooler is noted for its silent operation and effective cooling, which users find particularly beneficial for quiet PC builds. It offers good value for money, with an efficient design that doesn’t take up too much space, making it an excellent option for compact cases.
  • Arctic Freezer 34 eSports DUO: Users commend this cooler for its excellent thermal performance and dual-fan setup that provides enhanced airflow. Its affordability alongside premium features attracts gamers and content creators, while its aesthetic appeal with customizable fan colors is an added bonus.

How Do You Install an 1151 Cooler Properly?

To install an 1151 cooler properly, follow these essential steps:

  • Prepare the CPU Socket: Ensure that the CPU socket is clean and free of any old thermal paste or debris before installation.
  • Apply Thermal Paste: Apply a small, pea-sized amount of thermal paste onto the center of the CPU to facilitate effective heat transfer.
  • Position the Cooler: Align the cooler with the mounting holes on the motherboard, making sure it fits securely over the CPU.
  • Secure the Cooler: Use the provided mounting brackets or screws to secure the cooler in place, ensuring it is tightly fastened but not overly tightened to avoid damaging the CPU.
  • Connect the Power Cable: Attach the cooler’s power cable to the appropriate CPU fan header on the motherboard for proper functionality.
  • Test the Installation: Once installed, power on the system and monitor the CPU temperatures to ensure that the cooler is functioning effectively.

Preparing the CPU socket involves removing any remnants of previous installations, ensuring optimal contact with the new cooler.

Applying thermal paste is crucial as it fills microscopic gaps between the CPU and cooler, enhancing heat dissipation; too much paste can lead to overheating, while too little can result in inadequate cooling.

Positioning the cooler accurately is essential to ensure that it makes direct contact with the CPU; misalignment can lead to increased temperatures and potential damage.

Securing the cooler involves using the appropriate hardware to fasten it firmly without excessive force, which can warp the motherboard or damage the CPU.

Connecting the power cable to the CPU fan header is necessary for the cooler’s fans to operate, helping to maintain optimal temperatures during system use.

Finally, testing the installation by checking the CPU temperatures can help confirm that the cooler is working effectively and that the installation was successful.

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