1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ID-COOLING SE-903-XT V2 Black CPU Air Cooler. Please read this manual thoroughly before installation to ensure correct setup and optimal performance.
The ID-COOLING SE-903-XT V2 is a compact tower CPU air cooler designed for efficient heat dissipation. It features a 100mm PWM fan, direct touch heatpipes, and a refined aesthetic, compatible with both Intel and AMD platforms.
2. Package Contents
Verify that all items listed below are present in your package:
- Heatsink
- Cooling Fan (100mm PWM)
- Universal Mounting Hardware Kit (for Intel LGA1851/1700/1200/115X and AMD AM5/AM4)
- Thermal Grease

Figure 2.1: Universal Mounting Kits. This image displays the various components included in the mounting kit, such as the backplate, brackets, standoffs, screws, and a packet of thermal grease, compatible with both Intel and AMD sockets.
3. Specifications
| Feature | Specification |
|---|---|
| Brand | ID-COOLING |
| Model | SE-903-XT V2 Black |
| Cooling Method | Air Cooling |
| Fan Size | 100mm PWM Fan |
| Fan Speed | 500-2500 ±10% RPM |
| Max. Air Flow | 47.1 CFM |
| Max. Static Pressure | 1.94 mmH2O |
| Noise Level | 29.1 dB(A) Max. |
| Power Connector | 4-Pin |
| Heatpipes | Direct Touch Heatpipes (3) |
| Dimensions (approx.) | 123mm height (compact tower design) |
| Compatible Devices | Desktop CPUs |

Figure 3.1: Cooling Performance Specifications. This image illustrates the fan speed, maximum airflow, static pressure, and noise level of the cooler, highlighting its quiet and powerful cooling capabilities.
4. Compatibility
The ID-COOLING SE-903-XT V2 is designed for broad compatibility with various CPU sockets and PC case configurations:
- Intel Sockets: LGA1851, LGA1700, LGA1200, LGA115X (1150, 1151, 1155, 1156)
- AMD Sockets: AM5, AM4
- RAM Clearance: Low-profile footprint avoids interference with RAM modules, ensuring full compatibility in both single and dual-fan configurations.
- Case Compatibility: Compact tower design (123mm height) fits most small and mid-size cases, including ITX and mATX systems.

Figure 4.1: RAM Clearance. This image demonstrates how the cooler's compact design ensures no interference with memory slots on the motherboard.

Figure 4.2: Case Fitment. This image shows the cooler installed in a PC case, illustrating its compact 123mm height and compatibility with various tower cases.
5. Setup and Installation
Follow these steps for proper installation of your CPU air cooler. Refer to your motherboard manual for specific CPU socket details.
- Prepare the Motherboard: Identify your CPU socket type (Intel or AMD) and select the corresponding mounting brackets and hardware from the kit.
- Install Backplate (if applicable): For Intel sockets, install the universal backplate behind the motherboard. For AMD sockets, use the existing stock backplate if available, or the provided one.
- Secure Standoffs: Attach the appropriate standoffs to the motherboard through the CPU mounting holes.
- Apply Thermal Grease: Clean the CPU surface thoroughly. Apply a small, pea-sized amount of thermal grease to the center of the CPU's integrated heat spreader (IHS). Do not spread it manually; the cooler's pressure will distribute it.
- Mount the Heatsink: Carefully place the heatsink onto the CPU, aligning the mounting holes on the heatsink base with the standoffs.
- Secure the Heatsink: Use the provided screws to secure the heatsink to the standoffs. Tighten screws in a diagonal pattern (e.g., top-left, bottom-right, top-right, bottom-left) until snug, ensuring even pressure. Do not overtighten.
- Attach the Fan: Clip the 100mm PWM fan to the heatsink using the reinforced fan clips. Ensure the fan is oriented to blow air through the heatsink towards the rear or top exhaust of your PC case.
- Connect Fan Cable: Connect the 4-pin PWM fan cable to the CPU_FAN header on your motherboard.
Video 5.1: ID-COOLING SE-903-XT V2 Black Overview. This video provides a visual overview of the cooler and its components, demonstrating its design and how it fits into a PC build. While not a step-by-step installation guide, it shows the product in context.
6. Operating Instructions
Once installed, the ID-COOLING SE-903-XT V2 operates automatically based on your motherboard's fan control settings. Here are some tips for optimal operation:
- BIOS/UEFI Settings: Access your motherboard's BIOS/UEFI to configure the CPU fan curve. You can set fan speeds to increase with CPU temperature, balancing cooling performance and noise levels.
- Monitoring Temperatures: Use system monitoring software (e.g., HWMonitor, Core Temp) to keep track of your CPU temperatures, especially under load. Ensure temperatures remain within safe operating limits for your CPU.
- Airflow: Ensure good airflow within your PC case. Proper intake and exhaust fans will help the CPU cooler perform more effectively by providing it with cool ambient air and removing hot air from the system.
7. Maintenance
Regular maintenance helps ensure the longevity and efficiency of your CPU cooler:
- Dust Cleaning: Periodically (every 3-6 months, depending on environment) clean dust from the heatsink fins and fan blades. Use compressed air or a soft brush. Ensure the fan is held stationary while cleaning with compressed air to prevent over-spinning and potential damage.
- Thermal Grease: If you remove the cooler for any reason, it is recommended to clean off the old thermal grease from both the CPU and cooler base and apply a fresh layer before reinstallation.
- Fan Inspection: Check the fan for any signs of wear, unusual noises, or reduced performance.
8. Troubleshooting
If you encounter issues with your CPU cooler, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| High CPU Temperatures | Improper thermal grease application, loose mounting, insufficient case airflow, dust buildup. | Reapply thermal grease, re-seat cooler, improve case airflow, clean heatsink and fan. |
| Fan Not Spinning | Fan cable disconnected, faulty fan header, fan failure. | Check fan cable connection to CPU_FAN header, test fan on another header, replace fan if faulty. |
| Excessive Fan Noise | High fan speed settings, dust buildup, fan bearing issue. | Adjust fan curve in BIOS, clean fan, replace fan if bearing is faulty. |
9. Warranty and Support
ID-COOLING products are manufactured to high quality standards. For warranty information and technical support, please refer to the official ID-COOLING website or contact their customer service directly. Keep your proof of purchase for warranty claims.
Official Website: www.idcooling.com