1. Introduction
The ID-Cooling IS-50X v3 is a high-performance, low-profile CPU cooler designed for compact systems such as HTPCs, ITX, and Small Form Factor (SFF) builds. With an overall height of 56mm, it provides efficient cooling while maintaining a small footprint. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and longevity of your cooler.

2. Specifications
Below are the detailed technical specifications for the ID-Cooling IS-50X v3 CPU Radiator:
| Feature | Specification |
|---|---|
| Model Number | IS-50X V3 |
| Cooler Type | Low Profile |
| Overall Dimension (L×W×H) | 120×122×56mm |
| Heatsink Size | 120×122×41mm |
| Material | 5×Ф6mm Heatpipes (Direct Touch) + Aluminum Fin |
| Weight | 400g |
| TDP | 130W |
| Fan Dimension | 120×120×15mm |
| Fan Speed | 500-2000RPM±10% (PWM) |
| Max. Air Flow | 54.6CFM |
| Max. Static Pressure | 1.53mmH2O |
| Noise | 31.2dB(A) Max. |
| Rated Voltage | 12VDC |
| Operating Voltage | 10.8~13.2VDC |
| Started Voltage | 7VDC |
| Rated Current | 0.18A |
| Power Input | 2.16W |
| Bearing Type | Hydraulic Bearing |
| Connector | 4Pin PWM |
| Supported CPU Sockets | Intel LGA1700/1200/1151/1150/1155/1156, AMD AM4/AM5 |
| Heatpipes | 5 |
| Fan Life | 40000 hrs |
| Blade Quantity | 9 |
| Certification | CE |
| Origin | Mainland China |

3. Package Contents
Please verify that all components are present in your package:
- ID-Cooling IS-50X v3 CPU Cooler Unit (Heatsink and Fan)
- Intel Mounting Brackets (for LGA1700, LGA1200, LGA115x)
- AMD Mounting Brackets (for AM5, AM4)
- Mounting Screws and Standoffs
- Thermal Paste
- User Manual (this document)

4. Setup and Installation
Follow these steps to properly install your ID-Cooling IS-50X v3 CPU cooler:
- Prepare Your System: Ensure your computer is powered off and unplugged. Remove the side panel of your PC case to access the motherboard.
- Identify CPU Socket: Determine your CPU socket type (Intel LGA1700/1200/115x or AMD AM5/AM4).
- Select Mounting Hardware: Choose the appropriate mounting brackets and screws for your specific CPU socket from the package.
- Install Backplate (if applicable): For some Intel sockets, a backplate may be required. Install it on the rear of the motherboard, aligning the holes.
- Attach Standoffs: Secure the correct standoffs to the motherboard's CPU cooler mounting holes.
- Apply Thermal Paste: Apply a small, pea-sized amount of thermal paste to the center of your CPU's Integrated Heat Spreader (IHS). Do not spread it manually; the pressure from the cooler will distribute it.
- Position Cooler: Carefully place the heatsink assembly onto the CPU, ensuring the mounting holes on the cooler align with the standoffs.
- Secure Cooler: Attach the mounting brackets to the heatsink and secure them to the standoffs using the provided screws. Tighten the screws in a diagonal pattern (e.g., top-left, bottom-right, top-right, bottom-left) gradually until snug. Do not overtighten, as this can damage the CPU or motherboard.
- Connect Fan Cable: Connect the 4-pin PWM fan connector to the CPU_FAN header on your motherboard.
- Check Clearance: Ensure there is adequate clearance around the cooler, especially for RAM modules. The fan brackets are adjustable to accommodate RAM heights up to 44mm or offer unlimited compatibility with specific fan positioning.


5. Operating Instructions
The ID-Cooling IS-50X v3 operates automatically once installed and connected to your motherboard's CPU_FAN header. The 120mm fan supports Pulse Width Modulation (PWM), allowing your motherboard to dynamically adjust its speed based on CPU temperature. This ensures optimal cooling performance when needed and quieter operation during lighter loads.
- Fan Speed: The fan operates within a range of 500-2000 RPM (±10%).
- Noise Level: The maximum noise level is 31.2dB(A), designed for low-noise operation.
- Power Connection: Ensure the 4-pin PWM connector is securely attached to the CPU_FAN header on your motherboard.


6. Maintenance
Regular maintenance is crucial for ensuring the optimal performance and longevity of your CPU cooler.
- Dust Removal: Periodically (e.g., every 3-6 months), use compressed air to clean dust from the heatsink fins and fan blades. Ensure the fan is held stationary during cleaning to prevent damage to the bearing.
- Thermal Paste: The thermal paste should be reapplied if the cooler is ever removed from the CPU. Clean off old thermal paste from both the CPU's IHS and the cooler's base using isopropyl alcohol before applying a new, thin layer of thermal paste.
- Fan Inspection: Occasionally check the fan for any signs of wear, damage, or unusual noises. If the fan is damaged, it may need to be replaced.
7. Troubleshooting
If you encounter issues with your CPU cooler, refer to the following troubleshooting tips:
- High CPU Temperatures:
- Ensure the cooler is securely mounted and making full, even contact with the CPU.
- Verify that thermal paste was applied correctly and evenly.
- Check if the fan is spinning freely and connected to the CPU_FAN header.
- Ensure adequate airflow within your PC case. Poor case ventilation can lead to higher CPU temperatures.
- Excessive Fan Noise:
- Check for dust buildup on the fan blades or heatsink, which can cause imbalance and noise.
- Ensure the fan is securely attached and not vibrating against other components or the heatsink.
- Verify fan settings in your motherboard's BIOS/UEFI or operating system software; adjust fan curves if necessary to find a balance between cooling and noise.
- Compatibility Issues:
- This cooler supports Intel LGA1700, LGA1200, LGA115x, and AMD AM5, AM4 sockets. It is NOT compatible with LGA2011 sockets.
- The maximum TDP supported is 130W. Ensure your CPU's TDP does not exceed this limit for optimal cooling performance.
8. User Tips
- Case Compatibility: Always consider the overall height of the cooler (56mm) when planning your build, especially for small form factor cases (e.g., A4 cases) where space is limited.
- RAM Clearance: Utilize the adjustable fan brackets to ensure maximum RAM compatibility, particularly with taller memory modules. Refer to the installation diagrams for optimal fan positioning.
- Airflow Optimization: For the best cooling performance, ensure your PC case has good overall airflow. Proper intake and exhaust fan configurations can significantly assist the CPU cooler in dissipating heat effectively.
- Thermal Paste Application: While a pea-sized dot is common, some users prefer a line or cross pattern for even spread, especially on larger CPUs. Consistency is key.
9. Warranty and Support
The ID-Cooling IS-50X v3 CPU Radiator comes with a manufacturer's warranty. For specific warranty terms, duration, and conditions, please refer to the warranty information provided with your product packaging or visit the official ID-Cooling website.
For warranty claims, technical assistance, or product support, please contact the manufacturer or your point of purchase. It is recommended to keep your proof of purchase (receipt or invoice) as it may be required for warranty validation.