1. Introduction and Overview
This manual provides essential information for the proper installation, operation, and maintenance of your Dynatron B13 2U Active CPU Cooler. The Dynatron B13 is designed for Intel FCLGA3647 sockets, providing efficient active cooling for 2U server environments and supporting CPUs up to 205 Watts. Please read these instructions carefully before proceeding with installation.
2. Product Specifications
The Dynatron B13 CPU Cooler features an aluminum heatsink with embedded heat pipes and a 60mm PWM fan, pre-applied with Shin-Etsu 7762 thermal grease. Below are the detailed specifications:
Image 1: Top view of the Dynatron B13 CPU Cooler, showing the fan and heatsink fins.
| Feature | Specification |
|---|---|
| CPU Socket Support | Intel FCLGA3647 |
| Application | 2U Server and Up |
| Dimensions (L x W x H) | 108.0 x 80.0 x 66.0 mm (4.25"L x 3.15"W x 2.6"H) |
| Weight | 430 g (0.95 lbs) |
| Material | Aluminum Heatsink with Heatpipe Embedded |
| Fan Dimension | 60 x 60 x 25 mm |
| Rated Voltage | 12V |
| Bearing Type | 2 Ball Bearing |
| Power Connector Type | 4-Pin (PWM) |
| Thermal Grease | Shin-Etsu 7762 Pre-printed |
| Max CPU Power Support | 205 Watts |
| Certifications | RoHS Compliant |
Fan Performance Specifications:
- Speed:
- At Duty Cycle 20%: 1400 ± 200 RPM
- At Duty Cycle 50%: 3400 ± 10% RPM
- At Duty Cycle 100%: 7000 ± 10% RPM
- Power Consumption:
- At Duty Cycle 20%: 0.90 W
- At Duty Cycle 50%: 2.04 W
- At Duty Cycle 100%: 5.40 W
- Air Flow:
- At Duty Cycle 20%: 8.12 CFM
- At Duty Cycle 50%: 20.31 CFM
- At Duty Cycle 100%: 40.60 CFM
- Noise Level:
- At Duty Cycle 20%: 16 dBA
- At Duty Cycle 50%: 35 dBA
- At Duty Cycle 100%: 50 dBA
- Air Pressure:
- At Duty Cycle 20%: 0.58 mm-H2O
- At Duty Cycle 50%: 3.65 mm-H2O
- At Duty Cycle 100%: 14.58 mm-H2O
Lead Wire Pin Out:
- Pin1: (-) Ground
- Pin2: (+) 12V Power
- Pin3: (Techometer/Signal output) Fan Speed Sensor
- Pin4: (PWM) Pulse Width Modulation Control
Image 2: Side view of the Dynatron B13 CPU Cooler, highlighting the copper heat pipes for efficient heat transfer.
Image 3: Bottom view of the Dynatron B13 CPU Cooler, showing the pre-applied thermal grease and mounting points.
3. Setup and Installation
Follow these general steps for installing the Dynatron B13 CPU Cooler. Always refer to your motherboard's manual for specific CPU and cooler installation procedures.
- Preparation: Ensure your system is powered off and disconnected from the power source. Open your server chassis to access the motherboard.
- CPU Installation: If not already installed, carefully place your Intel FCLGA3647 CPU into its socket according to the motherboard manufacturer's instructions.
- Thermal Grease: The Dynatron B13 comes with Shin-Etsu 7762 thermal grease pre-printed on its base. Do not remove or add additional thermal grease unless necessary for re-installation. If re-installing, clean off old thermal grease from both the CPU and cooler base using isopropyl alcohol and apply a new, thin, even layer.
- Cooler Placement: Carefully align the cooler's mounting holes with the corresponding holes around the CPU socket on the motherboard. Ensure the cooler is oriented correctly for optimal airflow within your chassis.
- Secure Mounting: Gently lower the cooler onto the CPU. Secure the cooler using the provided mounting screws or retention mechanism. Tighten screws in a diagonal pattern (e.g., 1-3-2-4 as indicated on some coolers) to ensure even pressure and prevent damage to the CPU or socket. Do not overtighten.
- Fan Connection: Connect the cooler's 4-pin fan cable to the designated CPU_FAN header on your motherboard. Ensure the connector is fully seated.
- Final Checks: Double-check all connections and ensure no cables are obstructing the fan blades or airflow. Close your server chassis.
Important Safety Note: Always handle components with care and discharge any static electricity before touching internal parts. Incorrect installation can lead to system instability or damage.
4. Operation
Once installed, the Dynatron B13 CPU Cooler operates automatically. The 4-pin PWM (Pulse Width Modulation) fan will adjust its speed based on the CPU temperature, as controlled by your motherboard's BIOS/UEFI settings or operating system software. This ensures efficient cooling while minimizing noise when the system is under light load.
- Initial Boot: After installation, power on your system and monitor CPU temperatures using appropriate software. Ensure the fan is spinning correctly.
- BIOS/UEFI Settings: You may adjust fan speed curves in your motherboard's BIOS/UEFI settings to customize cooling performance and noise levels according to your preferences.
5. Maintenance
Regular maintenance helps ensure optimal performance and longevity of your CPU cooler.
- Dust Cleaning: Periodically inspect the heatsink fins and fan blades for dust accumulation. Dust can impede airflow and reduce cooling efficiency. Use compressed air or a soft brush to gently remove dust. Ensure the fan is not spinning while cleaning with compressed air to prevent damage to the bearings.
- Fan Inspection: Check the fan for any unusual noises or wobbling, which could indicate a failing bearing. Ensure the fan cable is securely connected.
- Thermal Grease: The pre-applied thermal grease is designed for long-term use. However, if you remove the cooler for any reason, it is recommended to clean off the old thermal grease and apply a fresh layer before re-installation to ensure proper thermal transfer.
6. Troubleshooting
If you encounter issues with your Dynatron B13 CPU Cooler, consider the following troubleshooting steps:
- CPU Overheating:
- Verify the cooler is securely mounted and making proper contact with the CPU.
- Check if the fan is spinning. If not, ensure the 4-pin fan cable is correctly connected to the motherboard's CPU_FAN header.
- Inspect the heatsink for excessive dust buildup and clean if necessary.
- Confirm that thermal grease is properly applied (if re-installed).
- Fan Not Spinning or Abnormal Noise:
- Ensure the fan cable is fully plugged into the motherboard.
- Check BIOS/UEFI settings to ensure the CPU fan control is enabled and configured correctly.
- Listen for any obstructions preventing the fan blades from spinning freely.
- If the fan makes grinding or clicking noises, the bearings may be failing, and the fan may need replacement.
- System Instability/Crashes:
- High CPU temperatures can cause system instability. Follow the steps for CPU overheating.
- Ensure the cooler is not interfering with other components on the motherboard.
If problems persist after performing these checks, consult your system integrator or Dynatron support.
7. Warranty and Support
For information regarding the warranty of your Dynatron B13 CPU Cooler, please refer to the warranty documentation provided with your purchase or visit the official Dynatron website. For technical support, product inquiries, or service, please contact Dynatron customer support directly through their official channels.
Keep your proof of purchase for warranty claims.



