InWin MR36 Review: High-Performance AIO Water Cooler with RGB Neptune AN120 Fans

InWin MR36.

InWin has recently introduced the MR series, a new line of water-cooling radiators, revolutionizing the conventional designs. The innovative approach in these radiators includes a pump-integrated design that notably lowers the profile of the cooling head. Notably, the MR series features a versatile and visually striking 360° rotatable RGB cooling head.

Enhancing its performance, InWin pairs these radiators with the Neptune AN120, a high-efficiency RGB fan, making it a superior cooling solution. The MR series is available in two popular sizes, 240mm and 360mm, designated as MR24 and MR36, respectively. These models are compatible with both Intel and AMD’s latest generation processor sockets, ensuring wide-ranging usability.

The technical specifications of the MR series are impressive:

  • Water Block Dimensions and Materials: Measuring 81 x 68 x 39 mm, the water block is crafted from a combination of aluminum alloy, copper, and plastic.
  • Water Block Performance: Operating at 4200 RPM (±10%), it requires a DC 12V and 0.34A power.
  • Cold Radiator Specifications: The 360mm model measures 397 x 120 x 27 mm and is made of aluminum.
  • Tubing Details: Each set includes a 450mm long, nylon-braided rubber pipe.
  • Fan Specifications: It features three Neptune AN120 fans, known for their durable oil seal bearings.
  • Fan Performance: These PWM fans have a speed range of 900 – 2200 (±10%) RPM, an airflow volume of 23.87 – 60.1 CFM, and an air pressure range of 0.36 – 2.27 mm/H2O.
  • Noise Level: The fans operate at a noise level of 20.5 dB(A) in the normal mode.
  • Compatibility: The MR series is compatible with a wide range of CPU sockets including Intel® LGA 1700/1200/20xx/1151/115x and AMD AM5/AM4/AMx/FMx.

This comprehensive set of features makes the MR series from InWin a highly versatile and efficient solution for cooling needs in advanced computing setups.

InWIn MR36 AIO all-in-one water cooling unboxing/ Neptune AN120 attacks

InWin’s innovative approach to integrated water cooling is evident in its diverse product range, each with unique features catering to different cooling needs. Highlighting this versatility is the MR series, including the newly unveiled MR36, which showcases an efficient combination of technology and design.

The MR36 stands out with its compact water-cooling head, measuring just 81 x 68 x 39 mm. It boasts a sleek design featuring a sandblasted aluminum alloy outer ring and a black mirror with an InWin RGB Logo. The head’s 360-degree rotatable design is a boon for DIY enthusiasts, offering ease of installation. The 360mm aluminum radiator is equipped with high-density fins for optimal heat dissipation. A key innovation in the MR36 is the integration of the water-cooling pump into the radiator, significantly reducing vibration and noise.

The MR series is paired with InWin’s latest Neptune AN120 RGB fan, a high-performance unit designed to complement the system. This fan features a PWM-controlled speed range of 900-2200 RPM, capable of delivering an air volume of 23.87 – 60.1 CFM and an air pressure of 0.36 – 2.27 mm/H2O. This ensures efficient cooling while maintaining a low noise profile, particularly when paired with the cold radiator.

Compatibility is a strong suit of the MR series, catering to a wide range of CPU sockets. It supports Intel’s latest LGA 1700/1200 sockets, along with the LGA 1151/115x and the high-end desktop (HEDT) 20xx sockets. For AMD users, the MR series is compatible with the AM5 and AM4 sockets, making it a versatile choice for various builds and setups.

The MR series, with its blend of advanced cooling technology and user-centric design, represents InWin’s commitment to meeting the evolving needs of PC builders and enthusiasts.

InWin MR36 water-cooled color box.
There is a water cooling size and specification table on the back.

InWin’s commitment to environmental sustainability is reflected in their paper-less strategy for their products. To access the installation instructions for their water cooling systems, customers are advised to scan the QR code found on the product’s packaging. This approach not only reduces paper waste but also ensures that customers have access to the most up-to-date installation guidelines directly from their mobile devices. It’s a convenient and eco-friendly way to provide essential information while supporting environmental conservation efforts.

Water cooling installation instructions QR-Code.
Inner packaging.

The InWin MR36 integrated water-cooling radiator package is a comprehensive solution for advanced PC cooling. This package includes:

  1. MR36 Integrated Water-Cooling Radiator: A key component of the system, the MR36 radiator is designed for efficient heat dissipation and is equipped with a built-in water-cooling pump to reduce noise and vibration.
  2. Three Neptune AN120 RGB Fans: These high-performance fans are included to complement the radiator. They offer adjustable PWM fan speeds ranging from 900 to 2200 RPM, providing substantial airflow (23.87 – 60.1 CFM) and air pressure (0.36 – 2.27 mm/H2O) to ensure efficient cooling. The RGB lighting adds an aesthetic appeal to the setup.
  3. Pack of Accessories: The package comes with an array of essential accessories for installation, which typically include:
    • Mounting buckles for securing the water block to various CPU socket types.
    • Fan and radiator screws to attach the fans to the radiator securely.
    • Thermal paste, which is crucial for ensuring efficient heat transfer from the CPU to the water block.

These components together provide a robust cooling solution, suitable for high-performance and gaming PCs. The MR36’s compatibility with various Intel and AMD sockets, combined with the effectiveness of the Neptune AN120 fans, makes it a versatile choice for different computer builds.

Water cooling accessories.

Rotatable cold head, radiator pump and AN120 RGB fan

The MR36 water block from InWin is an elegantly designed component, notable for both its compact size and aesthetic appeal. Measuring just 81 x 68 x 39 mm, it’s relatively small, making it a versatile fit for various PC builds without compromising on cooling efficiency.

Key features of the MR36 water block include:

  • Black Mirror Finish with RGB Logo and Light Ring: The water block showcases a sleek black mirror finish, complemented by an RGB logo and a light ring. This design element not only adds to the visual appeal of the setup but also allows for customizable lighting to match the user’s personal style or system theme.
  • 360-Degree Rotatable Design: A standout feature of the MR36 water block is its 360-degree rotatable design. This functionality is especially beneficial for DIY enthusiasts and gamers, as it allows for the adjustment of the logo’s orientation to any angle during installation. This flexibility ensures that the aesthetics of the build are maintained regardless of the orientation of the motherboard or the water block.
  • Sandblasted Aluminum Alloy Outer Ring: The rotating outer ring of the water block is made of sandblasted aluminum alloy, which not only adds to the durability of the component but also enhances its overall texture and appearance. The use of high-quality materials underscores InWin’s commitment to combining functional design with a premium look and feel.

Overall, the MR36 water block is an excellent example of InWin’s ability to blend functional cooling performance with a strong focus on design and customization, catering to the needs and preferences of gaming and PC building enthusiasts.

Black mirror water block with InWin RGB Logo in the center and RGB lighting effect on the outer ring.
Mirror reflection.
Sandblasted aluminum outer ring.
The angle of the water inlet and outlet holes of the water cooling head can be adjusted by yourself.
The water block only needs to be connected to the ARGB 3-pin.

The 360mm water-cooling radiator in the MR36 series by InWin is a well-engineered component designed for effective and efficient cooling. Key features of this radiator include:

  1. Material and Dimensions: The radiator is constructed from aluminum, known for its excellent heat dissipation properties. It measures 397 x 120 x 27 mm, making it a substantial size for effective cooling while still fitting comfortably in most PC cases.
  2. Radiator Pump: Positioned above the radiator is a pump designed to circulate the cooling liquid. The pump’s rotation speed can reach up to 4200 RPM, ensuring that the liquid moves efficiently through the system for optimal cooling.
  3. Power Specifications: The pump is powered by a 3-pin DC 12V, 0.34A connection from the motherboard. This setup ensures that the pump receives a stable power supply while maintaining compatibility with standard motherboard layouts.
  4. Cooling Mechanism: The radiator maintains 12 microchannels with fins. These microchannels play a critical role in cooling the liquid as it passes through the radiator. The fins increase the surface area for heat exchange, thereby enhancing the cooling efficiency of the system.

The combination of these features in the MR36’s 360mm water-cooling radiator makes it a robust and reliable component in the overall cooling solution. Its design focuses on maximizing cooling efficiency, ensuring that even high-performance systems are adequately cooled under demanding conditions.

360mm water cooling radiator.
Cold radiator pump.
DC 3-pin power supply.
At the water inlet and outlet of the cold radiator, the water cooling pipe is a 450mm nylon braided rubber pipe.

The MR36, equipped with three Neptune AN120 fans, showcases InWin’s dedication to combining high performance with user-friendly design. These fans share design characteristics with the DN120 Pro, reflecting a commitment to consistency and quality in their product lineup.

Key features of the Neptune AN120 fans include:

  1. Axial Fan Blade and Frame Design: The AN120 fans use the same axial fan blade and fan frame settings as found in the DN120 Pro. This design choice ensures efficient airflow and pressure generation, crucial for effective cooling.
  2. Single-Phase Motor and Durable Bearings: Each fan is powered by a single-phase motor and features long-lasting oil-sealed bearings. These components are chosen for their reliability and longevity, ensuring that the fans perform optimally over an extended period.
  3. Performance Specifications: The fans are capable of reaching PWM (Pulse Width Modulation) speeds ranging from 900 to 2200 RPM. This range allows for flexible speed adjustments to balance cooling efficiency and noise levels. The air volume capacity ranges from 23.87 to 60.1 CFM, and the fans can generate air pressure between 0.36 and 2.27 mm/H2O, making them suitable for various cooling demands.
  4. Series Cable Design: A notable feature of the AN120 fans is their series cable design. The fans come with shorter PWM FAN and RGB series cables, which simplifies the installation process. This design makes it more convenient for users, particularly those who enjoy DIY projects, to manage cables and maintain a neat and organized build.

The combination of these features makes the Neptune AN120 fans an ideal choice for users looking for efficient, durable, and user-friendly cooling solutions. When paired with the MR36 water-cooling radiator, they provide a comprehensive cooling system capable of handling the demands of high-performance computing setups.

InWin Neptune AN120 RGB Fan.
White axial fan.
The fan keyhole has a shock-absorbing rubber pad.
In addition to the word InWin, the fan frame also has the direction marked.
The fan adopts a short series cable design.

InWin MR36 Water Cooling Installation Instructions/Accessories for AMD AM5 and Intel LGA 1700

The MR36 water-cooling system from InWin is designed for ease of assembly, making it user-friendly, especially for those who might be new to custom PC building. Key aspects of the assembly process include:

  1. Clearly Marked Parts: Each component within the MR36 kit is labeled with its name. This clear identification aids in quick recognition and ensures that users can easily follow the assembly process as outlined in the instructions.
  2. Straightforward Assembly with Instructions: The system comes with detailed installation instructions. These instructions are designed to guide users step by step through the assembly process, making it straightforward and manageable, even for those who may not have extensive experience with PC building.
  3. Important Pre-Installation Steps:
    • Removing the Protective Film: Before installing the water block, it’s crucial to remove the protective film from the bottom. This film is in place to keep the water block clean and undamaged during shipping and handling. Removing the film ensures proper contact with the CPU, which is essential for effective heat transfer.
    • Installing the Corresponding Buckle: The MR36 comes with different buckles to fit various CPU socket types. Before installing the water block, users need to attach the correct buckle for their specific CPU socket. This step is vital to ensure that the water block is securely and correctly mounted onto the CPU.

By following these steps and adhering to the provided instructions, assembling the MR36 water-cooling system should be a manageable and straightforward task, resulting in an efficient cooling solution for high-performance computing needs.

MR36 accessories.
Protective film.

Installing the MR36 water-cooling system on AMD motherboards, specifically those with AM4 and AM5 sockets, is designed to be a straightforward process. Here’s a summary of the steps involved:

  1. No Need to Replace Existing Components: One of the key conveniences of installing the MR36 on AMD motherboards is that there’s no need to replace the motherboard’s existing heat dissipation buckle and backplate. This reduces the complexity of the installation process and saves time.
  2. Installing the AMD Bracket on the MR36: The first step in the installation process is to attach the AMD bracket to the MR36 water block. This bracket is specifically designed to fit AMD’s AM4 and AM5 socket layouts, ensuring a secure and proper fit.
  3. Locking the Hooks on the Bracket: Once the AMD bracket is in place on the MR36, the next step is to lock the two hooks on the bracket. This step is crucial for ensuring that the water block is securely attached to the bracket.
  4. Attaching the Water Block to the Motherboard: Finally, the water block can be directly fixed onto the motherboard’s existing buckle. This step is typically straightforward, thanks to the hooks on the AMD bracket that align with the motherboard’s mounting system.

The design of the MR36 water block and the accompanying AMD bracket is such that the installation process is user-friendly and does not require extensive modifications to the existing motherboard setup. This ease of installation is particularly beneficial for users who want an efficient cooling solution without the hassle of a complicated setup process.

Install the AMD-specific bracket and lock the shackle.
It can be installed on the motherboard quite easily.
AM5 pressure paste status.

Installing the MR36 water-cooling system on Intel platforms involves specific steps, especially when dealing with different socket types like LGA 115X and the latest LGA 1700. Here’s a guide to help you through the process:

  1. Identifying the Correct Backplane: Intel platforms, particularly LGA 115X and LGA 1700, require different backplanes. It’s important to identify and use the correct backplane for your specific Intel CPU socket. The backplane is crucial for proper alignment and mounting of the water block.
  2. Locking the Fixing Screws on the Front: Once the appropriate backplane is in place, the next step involves locking the fixing screws. This is done on the front side of the motherboard. These screws ensure that the backplane stays securely attached to the motherboard, providing a stable foundation for the water block.
  3. Installing Intel’s Special Bracket on the Water Block: The MR36 comes with a special bracket designed for Intel CPUs. This bracket needs to be attached to the water block before proceeding with the installation. The design of the bracket corresponds to Intel’s mounting mechanism, ensuring a proper fit.
  4. Pressing the Water Block onto the Processor: With the Intel bracket in place, you can then press the water block directly onto the processor. It’s important to align it correctly to ensure optimal contact with the CPU for efficient heat transfer.
  5. Locking the Water Block in Place with Screws: Finally, secure the water block by locking it in place with screws. This step is crucial to ensure that the water block is firmly and evenly attached, providing stable and efficient cooling.

By following these steps, you can ensure a proper and secure installation of the MR36 on Intel platforms. The process is designed to be straightforward, allowing for a hassle-free setup while ensuring effective cooling performance.

Fixed backplate for LGA 115X and LGA 1700.
First place the backplane on the back of the motherboard.
Align the locking screw with the lock hole.
Then you can install the water block and lock it.
LGA 1700 paste condition.

The accessory kit included with the MR36 water-cooling system is thoughtfully designed to facilitate an efficient and tidy installation process, especially when it comes to fan and radiator assembly. Here’s a breakdown of how to utilize these accessories effectively:

  1. Fan and Radiator Screws: The kit includes two types of screws:
  • Long Screws: These are for attaching the fans to the water-cooling radiator. Their length ensures they can securely fasten the fans through the thickness of the radiator.
  • Short Screws: These are used for fixing the radiator itself in place within the PC case. Their shorter length is appropriate for mounting the radiator without protruding unnecessarily.
  1. Pre-Assembly of Fans on the Radiator: It’s often more convenient to install the fans onto the radiator before mounting the radiator in the PC case. This pre-assembly can make handling and positioning easier.
  2. Connecting Fans in Series:
  • The PWM (Pulse Width Modulation) and ARGB (Addressable RGB) cables of the three fans can be connected to each other in series, according to the indicated wiring direction. This series connection is designed to simplify cable management.
  • Ensure that the connections are secure and that the cables are oriented correctly to ensure proper fan speed control and lighting effects.
  1. Utilizing the Extension Cable: The accessory kit includes an extension cable. This cable can be used if the series-connected cables aren’t long enough to reach the motherboard connectors.
  2. Connecting to the Motherboard: Once the fans are connected in series, you only need to connect two cables to the motherboard – one for the PWM control and the other for the ARGB lighting. This streamlined approach reduces cable clutter, leading to a cleaner and more organized build.

This efficient cable management design, where three RGB fans require only two motherboard connections, exemplifies the user-friendly and aesthetically pleasing approach of InWin’s MR36 system. It simplifies the installation process and contributes to a neater and more professional-looking PC build.

Water cooling radiator screw.
Fans are connected in series.
ARGB has a snap, so you don’t have to worry about the connector coming off.
Use the accessory FAN and ARGB extension cables to easily connect to the motherboard.

Following the actual installation of the MR36 water-cooling system, users can appreciate the aesthetic and functional features that enhance both its performance and visual appeal:

  1. RGB Logo and Light Ring on the Water Block: The MR36’s water block is equipped with an RGB logo and a light ring. This feature not only adds to the visual appeal of the system but also allows for customizable lighting. Users can adjust the RGB lighting to match their personal style or to coordinate with the rest of their PC setup.
  2. 360-Degree Rotatable Design: A standout feature of the MR36 water block is its 360-degree rotatable design. This functionality allows users to manually adjust the orientation of the logo to the desired direction, regardless of the water block’s installation angle. This flexibility is particularly beneficial for those who are meticulous about the aesthetics of their PC build, as it ensures that the logo can be perfectly aligned.
  3. Neptune AN120’s RGB Lighting Effect: The Neptune AN120 fans, included with the MR36 system, also feature beautiful RGB lighting effects. These lighting effects contribute to the overall aesthetic of the PC build, creating a visually striking appearance. The RGB lighting on these fans can usually be controlled and customized, allowing users to create a cohesive and personalized lighting scheme within their setup.

Overall, the MR36 water-cooling system from InWin not only delivers efficient cooling performance but also enhances the visual dynamics of a PC build with its well-designed RGB elements and the customizable orientation of the water block. This combination of functionality and style makes it an appealing choice for gamers and PC enthusiasts who value both performance and aesthetics in their setups.

Water-cooled head lighting effect.
360-degree rotatable design.
Fan RGB lighting effect.

InWin MR36 performance test i9-13900K, R9 7950X

The performance test of the MR36 water-cooling system using high-end processors and motherboards demonstrates its capabilities under extreme conditions. Here’s a summary of the testing setup and results:

Testing Platform Specifications

  • Processors: Intel Core i9-13900K and AMD Ryzen 9 7950X
  • Motherboards: ASUS ROG MAXIMUS Z790 HERO (for i9-13900K) and ROG CROSSHAIR X670E HERO (for 7950X)
  • Memory: CORSAIR DDR5 32GB*2-5200
  • System Disk: Solidigm P44 Pro 1TB PCIe 4.0 SSD
  • Power Supply: Seasonic VERTEX GX-1000
  • Operating System: Windows 11 Pro 22H2

Testing Methodology

  • Motherboard Settings: Default Auto with XMP enabled.
  • MR36 Settings: Water pump and fan set to full speed mode.

Performance Test Results

  1. AIDA64 CPU Stress Test:
    • Intel Core i9-13900K: Reached 79°C.
    • AMD Ryzen 9 7950X: Reached 67°C.
    • Power Consumption: i9-13900K hit 292.5W, and 7950X reached 201.3W.
  2. FPU Test:
    • Both i9-13900K and 7950X showed high heat generation.
    • Despite high temperatures, the processors performed efficiently.
  3. Cinebench R23 Load Test:
    • AMD Ryzen 9 7950X: Had some breathing room at 95.4°C.
    • Intel Core i9-13900K: Struggled under the load.
  4. Gaming Test (“Dianyu Rebel 2077”):
    • Intel Core i9-13900K: Lower temperature at 66°C.
    • AMD Ryzen 9 7950X: Recorded a temperature of 72.4°C.


  • The MR36 water-cooling system was able to handle the thermal demands of high-performance CPUs, though it faced challenges in extremely demanding scenarios like the FPU test.
  • The system allowed both CPUs to operate efficiently, even under high power consumption.
  • The gaming test results indicate good cooling performance during typical gaming workloads.

Overall, the MR36 demonstrates its capability to manage the heat output of high-end CPUs in various demanding tasks, from stress tests to gaming, though it encounters limits under extreme workloads. This performance showcases the MR36 as a viable option for users with high-performance computing needs.


The InWin MR36, equipped with the newly developed Neptune AN120 RGB fans, positions itself as a notable option in the water cooling market, especially for users who prioritize quiet operation and RGB aesthetics. Here’s an overview of its features, performance, and value:


  • Neptune AN120 RGB Fans: Known for their quiet performance even at full speed, these fans add to the MR36’s appeal for users seeking a noise-minimal setup.
  • Compact Water Block with Cooling Pump Design: The MR36’s water block is relatively small due to its integrated cooling pump design. This compactness does not compromise its cooling efficiency.
  • 360° Rotation Function: This feature allows users to adjust the orientation of the InWin RGB Logo on the water block, ensuring that it can be positioned as desired regardless of the installation angle.


  • Handling High-Performance CPUs: While the MR36 can maintain system stability, it faces challenges in fully suppressing the heat generated by the FPU of high-end CPUs like the Intel i9 and AMD Ryzen 9 (R9) series.
  • System Stability Within Temperature Limits: The MR36 ensures system stability within acceptable temperature ranges, even under heavy loads.
  • Voltage Adjustment for Optimal Performance:
    • Intel i9-13900K: Better performance can be achieved with good physical condition and using voltage offset for reduced power consumption.
    • AMD CPUs: Fine-tuning voltage can also aid AMD CPUs, though there might be a slight performance gap compared to Intel, attributed to differences in automatic overclocking mechanisms.

Pricing and Value

  • Price: In Taiwan, the MR36 is priced at $3,290, making it an affordable option in the water cooling segment.
  • Target Audience: It is a suitable choice for gamers and PC enthusiasts who appreciate the blend of RGB lighting and silent operation. The inclusion of AN120 fans further enhances its appeal to this demographic.

In summary, the InWin MR36 stands out as a viable choice for those looking for an affordable, efficient, and aesthetically pleasing all-in-one water cooling solution. While it may not completely subdue the extreme heat output of the most powerful CPUs under heavy loads, it provides a commendable balance of performance, noise level, and visual appeal.

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Title: InWin MR36 Review: High-Performance AIO Water Cooler with RGB Neptune AN120 Fans