Best Wathai Case Fans with 4-Pin in 2026: 2 Picks
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Choosing the best wathai case fans with 4-Pin requires looking at raw specifications. We compared 2 models to find the right fit for your build. The Wathai 120mm High-Airflow 4-Pin PWM Fan leads because its 38mm thickness delivers strong airflow for mining rigs or gaming PCs. Our picks rely strictly on published specs, not personal testing. This guide helps you decide which fan size and pressure rating matches your case dimensions and cooling needs.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Wathai 120mm High-Airflow 4-Pin PWM Fan Best overall | high airflow and mining rigs | Check price of Wathai 120mm High-Airflow 4-Pin PWM Fan on Amazon |
| 2 | Wathai 80mm High-Airflow 38mm PWM Fan Best budget | 80mm cases needing high static pressure | Check price of Wathai 80mm High-Airflow 38mm PWM Fan on Amazon |
The best fit for you
- You need high airflow for mining rigs Wathai 120mm High-Airflow 4-Pin PWM Fan The 120mm 38mm PWM design delivers strong raw air movement for cooling miners.
- You require high static pressure for 80mm cases Wathai 80mm High-Airflow 38mm PWM Fan This 80mm 38mm fan pushes air through dense heatsinks effectively.
- You want a 4-pin PWM connection Wathai 120mm High-Airflow 4-Pin PWM Fan It uses a 4-pin connector for precise speed control via PWM.
Our 2 picks
Wathai 120mm High-Airflow 4-Pin PWM Fan
Best for: high airflow and mining rigs
- Connector Type
- 4-Pin (what this guide is about)
- Fan Size
- 120mm
- Max Fan Speed
- 5300 RPM
- Max Airflow
- 230 CFM
- Static Pressure
- 1.17 inH2O
- Noise Level
- 60 dBA
View on Amazon: Wathai 120mm High-Airflow 4-Pin PWM Fan Affiliate link
This Wathai fan measures 120 by 120 by 38 mm with a 4-pin PWM connector. It reaches 5300 RPM for 230 CFM airflow and 1.17 In H2O static pressure. Dual-ball bearings support 67,000 hours of use. The 38 mm thickness allows it to fit tight spaces. You get mounting hardware included. This model suits high-airflow needs.
Pros
- 230 CFM max airflow
- 5300 RPM max speed
- Dual-ball bearings for 67,000 hours
- 38 mm thick frame
- Includes mounting screws and grill
Cons
- 60 dBA noise level is high
- Too loud at full speed for some
- No smart app control listed
Good fit if
- You need high static pressure
- You have a 38 mm slot
- You want dual-ball bearing longevity
Skip if
- You need silent operation
- You only have 25 mm space
- You want app-based speed control
Verdict: Wathai 120mm 38mm PWM Case Fan delivers strong airflow for cooling miners or gaming PCs. It fits users who prioritize raw air movement over quiet operation.
Wathai 80mm High-Airflow 38mm PWM Fan
Best for: 80mm cases needing high static pressure
- Connector Type
- 4-Pin (what this guide is about)
- Fan Size
- 80mm
- Max Fan Speed
- 5500 RPM
- Max Airflow
- 72.6 CFM
- Noise Level
- 47 dBA
- Bearing Type
- Dual Ball
View on Amazon: Wathai 80mm High-Airflow 38mm PWM Fan Affiliate link
This 80mm case fan delivers high static pressure with a 38mm depth. It features a 4-pin PWM connector for motherboard speed control. Max speed reaches 5500 RPM with 72.6 CFM airflow. The ball bearing supports long-term stability. You should choose this if you need focused airflow for dense radiators or small enclosures. It suits users who prioritize pressure over quiet operation.
Pros
- 4-pin PWM connector for adjustable speed
- High static pressure for dense fins
- Ball bearing for durability
- 38mm depth for thick radiators
Cons
- 47 dBA noise level at max speed
- 80mm size limits compatibility
- Loud at full 5500 RPM
Good fit if
- You need high static pressure for radiators
- You have 80mm mounting slots
- You want PWM speed control
Skip if
- You require 120mm or 140mm fans
- You need silent operation below 30 dBA
- You prefer 25mm thin fans
Verdict: Wathai 80mm 38mm High Static Pressure Fan is a high-pressure option for users with 80mm cases. It fits those who need to push air through dense heatsinks rather than those seeking quiet cooling.
Specifications side by side
| Spec | Wathai 120mm High-Airflow 4-Pin PWM Fan | Wathai 80mm High-Airflow 38mm PWM Fan |
|---|---|---|
| Fan Size | 120mm | 80mm |
| Max Fan Speed | 5300 RPM | 5500 RPM |
| Max Airflow | 230 CFM | 72.6 CFM |
| Static Pressure | 1.17 inH2O | not stated |
| Noise Level | 60 dBA | 47 dBA |
| Connector Type | 4-pin PWM | 4-pin PWM |
| Bearing Type | Dual Ball | Dual Ball |
| Use | Server | Server |
| Compatible Device | not stated | CPU Cooler |
| Dimensions | 1.5 × 4.72 × 4.72 inches | 3.15 × 3.15 × 1.5 inches |
| Weight | not stated | 2.1 ounces |
| Color | 120x38mm 12V Ball 4P | not stated |
| Model | 12038B12V4P2A | not stated |
How to choose the right one
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Check 4-pin PWM support
Ensure your motherboard has 4-pin fan headers. This connector allows Pulse Width Modulation control. You get precise speed adjustments based on system temperature. The listed Wathai fans use this standard interface. It offers better thermal management than 3-pin alternatives. Verify your board supports PWM signals before purchasing. This ensures the fans can ramp up or down efficiently. It prevents constant high-speed noise when idle. It also protects components by lowering speed during low loads. This feature is essential for balanced performance and acoustics.
-
Match fan diameter to case
Select a fan size that fits your chassis mounts. The top pick is a 120mm model, measuring 4.72 inches. It suits standard towers and mining rigs. The second option is an 80mm fan, measuring 3.15 inches. It fits older or compact cases. Do not force a larger fan into a smaller slot. It will block airflow or not mount securely. Check your case specifications for supported diameters. This ensures proper installation without modification. Correct sizing maximizes cooling efficiency and air circulation.
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Evaluate frame thickness
Consider the fan frame depth for your setup. The Wathai fans here have a 38mm thickness. This is 1.5 inches deep. Thicker frames can move more air per rotation. They are common in high-performance and mining applications. Check your case clearance for deep fans. Shallow cases may not accommodate 38mm frames. Deeper fans often provide higher static pressure. This helps push air through dense filters or radiators. Ensure your case supports this depth for optimal fit.
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Prioritize airflow for mining
Choose high airflow fans for mining rigs. The 120mm Wathai model excels in raw air movement. Mining hardware generates significant heat continuously. You need maximum cooling capacity. This fan prioritizes volume over quiet operation. It keeps GPUs and ASICs cool under load. If you run a gaming PC, this may be loud. But for dedicated mining setups, it is ideal. High airflow prevents thermal throttling in dense environments. It ensures stable performance during extended crypto mining sessions.
-
Select static pressure for heatsinks
Use high static pressure fans for dense components. The 80mm Wathai fan is designed for this. It pushes air through tight spaces effectively. This is crucial for cooling dense heatsinks. It works well in compact cases with limited space. High static pressure forces air through resistance. It is less effective for open chassis ventilation. Match this fan to your specific cooling needs. Use it near radiators or heavy CPU coolers. It ensures air reaches the fins efficiently.
Frequently asked questions
What is the difference between the Wathai 120mm and 80mm fans?
The 120mm model measures 4.72 inches wide and 1.5 inches thick. It delivers strong airflow for mining rigs or gaming PCs. The 80mm version is 3.15 inches wide. It provides high static pressure for dense heatsinks. Choose the 120mm for raw air movement. Pick the 80mm for pushing air through tight spaces.
Do these Wathai fans use PWM for speed control?
Yes, both listed models feature 4-pin connectors. This interface supports Pulse Width Modulation control. You get precise speed adjustments based on system temperature. The 120mm fan is designed for high airflow. The 80mm fan focuses on static pressure. Both allow your motherboard to manage fan speeds automatically.
Which Wathai case fan is best for mining rigs?
The Wathai 120mm High-Airflow 4-Pin PWM Fan is the top pick. It delivers strong airflow for cooling miners. This 120x38mm fan prioritizes raw air movement. It fits users who need maximum cooling performance. The design suits standard cases and mining setups effectively.
Are the Wathai fans suitable for quiet operation?
These fans prioritize performance over silence. The 120mm model suits users who prioritize raw air movement. The 80mm option pushes air through dense heatsinks. Neither is marketed for quiet cooling. If you need silence, consider other models. These Wathai fans are built for high airflow and static pressure.
What are the dimensions of the Wathai 120mm fan?
The Wathai 120mm fan measures 4.72 inches in width and height. Its thickness is 1.5 inches. This 38mm profile allows it to fit standard mounting points. The 120mm diameter provides a large surface area for air movement. It is ideal for cases that accept 120mm fans.
Can I use the Wathai 80mm fan in a standard case?
The Wathai 80mm fan is designed for 80mm cases. It measures 3.15 inches wide. It is best for users needing high static pressure. It pushes air through dense heatsinks effectively. If your case only accepts 120mm fans, this model will not fit. Check your chassis specifications before purchasing.