Thermalright TL-N12R-R13 120mm Reverse Blade Review (2026): A Spec-Based Look
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This thermalright tl n12r r13 120mm reverse blade review focuses on a 120mm PWM fan designed for exhaust or specific intake configurations. It operates at a maximum speed of 2400 RPM. The unit delivers 83.2 CFM of airflow and 1.87 mm H₂O of static pressure. Its reverse blade design rotates counterclockwise, directing air out from the blade side. This orientation helps clear hot air from your chassis efficiently. The fan uses a 4-pin PWM connector and includes a 55cm cable. You get a balanced noise reduction ring and silicone pads to manage vibration. These specs define its role in your build.
What stands out
- Reverse airflow design rotates counterclockwise for exhaust use
- Maximum speed of 2400 RPM for rapid heat expulsion
- 83.2 CFM airflow and 1.87 mm H₂O static pressure
- 13 blades with vortex star-ring for reduced oscillation
- Supports PWM daisy-chain control via 4-pin connector
Who it fits
Good fit for
You should choose this fan if you need a dedicated exhaust unit for your case. The reverse blade design makes it ideal for pushing hot air out. Its high static pressure allows it to work well with dense CPU air coolers or radiators. The 2400 RPM speed ensures strong airflow when your system is under load. It suits builders who want to maintain positive airflow inside the case while efficiently removing heat. The PWM control lets you adjust speed based on your thermal needs.
Who should skip it
Skip this option if you need a standard intake fan. The reverse blade design rotates counterclockwise, meaning the frame side is for intake. If you want air to flow from the frame side, this model is not suitable. It also lacks a display or sensor for monitoring speed directly. You must rely on your motherboard’s PWM headers. If you need a silent fan for quiet computing, the 31.5 dBA noise level may be too loud for your preference. Look for a lower RPM alternative in that case.
Verdict: The Thermalright TL-N12R-R13 is a spec-driven exhaust fan with strong airflow and static pressure. It fits well in setups requiring efficient hot air removal.
Key specs explained for this fan
Fan Size: 120mm
This dimension refers to the square footprint of the fan frame. A 120mm size is the standard for most mid-tower PC cases and many CPU air coolers. You can easily find replacement fans or compatible mounts for this size. It offers a good balance between airflow coverage and physical space constraints inside your chassis. This is the most common size for general case ventilation and single-tower cooler integration.
Fan Speed: 2400 RPM
Revolutions per minute indicate how fast the blades spin. At 2400 RPM, this fan moves air quickly, which helps expel hot air from your case efficiently. Higher speeds generally mean more noise, so you will need to check the decibel rating. This speed is suitable for active cooling needs where maximum airflow is preferred over silent operation. It is typical for performance-oriented fans in air cooling setups.
Airflow: 83.2 CFM
Cubic feet per minute measures the volume of air the fan moves. An 83.2 CFM rating suggests strong air movement for its size. This helps cool components by replacing warm air with cooler ambient air rapidly. When shopping for CPU air coolers, look for fans with similar or higher CFM to ensure your heatsink fins are adequately cooled. This spec is crucial for maintaining low temperatures under load.
Static Pressure: 1.87 mm H₂O
Static pressure measures the fan's ability to push air through resistance, like dense heatsink fins or radiator meshes. A rating of 1.87 mm H₂O indicates moderate pushing power. This is useful when mounting the fan against a CPU air cooler's fin stack. Higher static pressure is often more important than raw airflow for cooling CPU heatsinks directly. Compare this value when selecting fans for restricted airflow paths.
Design and Build Details
The Thermalright TL-N12R-R13 measures 120 by 120 by 25 millimeters. According to the listing, the frame width is 0.98 inches, while the height and length are both 4.72 inches. This standard 120mm footprint ensures compatibility with most mid-tower cases and many CPU air coolers. The reverse blade design rotates counterclockwise, meaning the blade side serves as the exhaust direction and the frame side as the intake. This orientation concentrates airflow and improves pressure efficiency by 35 percent, according to the manufacturer. The unit features a three-dimensional balanced structure to maximize airflow output.
The fan includes thirteen blades paired with a vortex star-ring design. This combination aims to eliminate blade wind shear oscillation during high-speed operation. The listing notes the use of an LCP balanced noise reduction ring to further enhance performance. To minimize vibration noise, the fan comes with silicone anti-vibration pads. These pads help reduce mechanical resonance when the fan operates at its maximum speed of 2400 RPM.
Power is delivered via a 4-pin PWM connector. The cable length is 55 centimeters, which allows for flexible routing within the case. The listing states that the fan supports PWM daisy-chain control, enabling you to manage multiple fans from a single header. This feature simplifies cable management and allows for synchronized speed adjustments. The overall build focuses on stability and airflow direction rather than aesthetic finishes. You should verify that your case or cooler supports the reverse airflow orientation before installation.
Setup And Daily Use Guide
Installing the Thermalright TL-N12R-R13 requires connecting its 4-pin PWM connector to your motherboard or fan controller. The unit includes a 55cm cable, which provides enough length to reach most standard power headers without strain. This cable length also supports PWM daisy-chain control, allowing you to link multiple fans together for centralized speed management. This feature simplifies cable routing in tight chassis builds.
The reverse airflow design dictates your installation orientation. You must mount the fan so the blade side faces outward for exhaust, while the frame side faces inward for intake. This specific rotation direction is critical for achieving the listed performance metrics. If installed backward, the airflow direction reverses, which reduces the static pressure efficiency by the claimed 35%.
In daily use, the fan operates at up to 2400 RPM. At this speed, it moves 83.2 CFM of air and generates up to 1.87 mm H₂O of static pressure. This pressure level allows the fan to push air through dense heatsinks or radiators effectively. The listing notes that silicone anti-vibration pads are included to minimize noise during operation. The 13-blade vortex star-ring design aims to reduce wind shear oscillation at high speeds. You can expect the fan to handle heat dissipation for both chassis ventilation and CPU cooling tasks. It is compatible with mainstream cases and liquid coolers. The PWM signal allows your system to adjust speed based on temperature, balancing cooling output with acoustic levels.
Before You Buy This Fan
You should verify that your chassis or cooler supports reverse airflow. This fan pushes air out from the blade side. If you need intake, check the frame side. The 55cm cable helps reach headers, but you may need splitters for daisy-chaining multiple units. Ensure your motherboard headers support PWM control for speed adjustment. Clean the blades regularly to maintain the stated 83.2 CFM airflow. Dust buildup reduces the 1.87 mm H₂O static pressure over time. This fan fits well with other 1 options in our guide if you need extra exhaust. It complements air coolers that lack rear fans. Check your case depth, as the 25mm thickness adds to overall height. The silicone pads help reduce vibration, so you do not need additional mounts. Pair this with high-quality thermal paste for best results. It is a practical choice for users who need specific airflow direction without complex setup.
Check before you buy
- Confirm your case supports reverse airflow direction.
- Check if your motherboard has free PWM headers.
- Ensure 25mm thickness fits your cooler clearance.
- Verify you need exhaust rather than intake.
The product at a glance
Thermalright TL-N12R R13 120mm Reverse Fan
Best for: chassis exhaust and radiator cooling
- Fan Size
- 120mm
- Fan Speed
- 2400 RPM
- Features
- Fan
- Dimensions
- 4.72 × 0.98 × 4.72 inches
View on Amazon: Thermalright TL-N12R R13 120mm Reverse Fan Affiliate link
This 120mm fan uses a reverse blade design to push air through the frame side. It reaches 2400 RPM with a maximum static pressure of 1.87 mm H₂O. The airflow peaks at 83.2 CFM while staying under 31.5 dBA. It includes a 55cm cable and supports PWM daisy-chaining. You get a balanced cooling solution for chassis or CPU coolers.
Pros
- 120mm reverse blade design for exhaust airflow
- High static pressure of 1.87 mm H₂O
- Maximum airflow of 83.2 CFM
- Quiet operation at 31.5 dBA
Cons
- Limited to 2400 RPM maximum speed
- Short 55cm cable length
- Single fan size only
Good fit if
- You need a reverse blade fan for chassis exhaust
- You want high static pressure for radiators
- You prefer quiet operation under 32 dBA
Skip if
- You require a 140mm fan size
- You need a longer cable than 55cm
- You prefer clockwise airflow direction
Verdict: Thermalright 120mm Reverse Blade PWM Fan delivers strong static pressure for exhaust setups. It suits builders who prioritize quiet, high-pressure airflow over maximum speed.
Specifications side by side
| Spec | Thermalright TL-N12R R13 120mm Reverse Fan |
|---|---|
| Fan Size | 120mm |
| Fan Speed | 2400 RPM |
| Features | Fan |
| Dimensions | 4.72 × 0.98 × 4.72 inches |
| Model | N12R-R13 |
Frequently asked questions
Is the Thermalright TL-N12R-R13 suitable for CPU air coolers?
This fan is primarily designed for chassis exhaust or radiator cooling rather than direct CPU cooler mounting. Its high static pressure of 1.87 mm H₂O helps push air through dense heatsinks. However, you should verify if your specific cooler supports reverse blade configurations before using it for direct CPU cooling.
What is the maximum speed of this 120mm fan?
The Thermalright TL-N12R-R13 operates at a maximum speed of 2400 RPM. This speed allows it to deliver 83.2 CFM of airflow. You get strong exhaust performance, but the high RPM may generate more noise than slower, high-static-pressure fans designed for quiet operation.
Does this fan have a PWM connector?
Yes, the unit includes a 4-pin PWM connector for connection. This allows your motherboard or fan controller to adjust the speed automatically based on temperature. The included 55cm cable provides sufficient reach to connect to standard headers without requiring immediate extension cables.
How much static pressure does the N12R-R13 produce?
It produces 1.87 mm H₂O of static pressure. This metric indicates how well the fan can push air through resistance, such as mesh grilles or radiator fins. This level of pressure makes it effective for exhaust setups where air needs to be expelled efficiently.
Is the cable length adequate for most builds?
The fan comes with a 55cm cable, which is generally sufficient for most mid-tower cases. This length helps you route the wire to the motherboard or controller without strain. You may need splitters if you plan to daisy-chain multiple units to a single header.
Can I use this fan for intake instead of exhaust?
You must check your chassis orientation carefully. This reverse blade fan pushes air out from the blade side. If you need intake airflow, you should verify if your case supports reverse mounting or look for a standard forward-blade fan instead to ensure proper airflow direction.