1. Introduction
The JONSBO ZK-120 is a high-performance 120mm computer case fan designed for efficient CPU cooling and radiator applications. Featuring a unique wire-free splicing design, infinite mirror ARGB lighting effects, and FDB dynamic hydraulic bearings, this fan offers quiet operation, stable performance, and customizable aesthetics. It supports 5V 3-pin ARGB synchronization with compatible motherboards (ASUS Aura Sync, MSI Mystic Light Sync, GIGABYTE RGB Fusion, ASRock Polychrome Sync) for integrated lighting control.
2. Product Features
- 3-in-1 Design: Often sold in packs of three for comprehensive cooling solutions.
- Wire-Free Splicing: Innovative design allows multiple fans to connect directly to each other without individual cables, simplifying cable management and enhancing structural stability.
- Infinite Mirror Lighting Effect: Features a double infinite mirror effect on both the side and axis, providing a visually stunning ARGB display without blind spots.
- Motherboard ARGB Synchronization: Compatible with 5V 3-pin ARGB headers on major motherboards for synchronized and customizable lighting effects.
- Efficient Cooling: Equipped with seven reverse cooling blades and optimized wind guide and turbulence channels for improved airflow and wind pressure.
- FDB Dynamic Hydraulic Bearings: Ensures quiet, stable, and long-lasting operation with reduced shaft noise and vibration.
- Low Noise & Shock Absorption: Incorporates 8 shock absorbers to minimize resonance and noise levels.
- Versatile Application: Suitable for both computer case cooling and radiator cooling applications.
3. Package Contents
Please inspect the package contents upon receipt. If any items are missing or damaged, contact your retailer.
- JONSBO ZK-120 Fan(s) (Quantity may vary based on purchase, e.g., 3-in-1 pack)
- Mounting Screws
- Segmented Extension Cable (for partition transfer applications)
4. Specifications
| Attribute | Value |
|---|---|
| Model | ZK-120 |
| Fan Size | 123mm (L) x 120mm (W) x 28mm (H) |
| Fan Speed | 800 - 2200 rpm (±10%) |
| Wind Flow Rate | 20.95 - 65.26 CFM |
| Wind Pressure | 0.45 - 3.20 mmH2O |
| Noise Value | 20.3 - 36.6 dB(A) |
| Rated Voltage (Fan) | 12V |
| Rated Voltage (LED) | 5V |
| Rated Current (Fan) | 0.17A |
| Rated Current (LED) | 0.83A |
| Power (Fan) | 2.04W |
| Power (LED) | 4.15W |
| MTTF (Mean Time To Failure) | ≥ 50,000 hours (at 25℃ Room Temperature) |
| Bearing Type | FDB (Fluid Dynamic Bearing) |
| Connectors | PWM 4-PIN, ARGB 3-PIN |
| Used For | Case, Radiator |
| Blade Quantity | 7 |
| Certification | CE, RoHS |
5. Setup Instructions
5.1 Fan Mounting
- Identify the desired mounting location in your PC case or on your radiator. Ensure proper airflow direction (typically, the side with the fan motor label is the exhaust side).
- Align the fan with the screw holes.
- Secure the fan using the provided mounting screws. Do not overtighten.
5.2 Wire-Free Splicing (Connecting Multiple Fans)
The ZK-120 fans feature a wire-free splicing design for easy connection of multiple units.
- Take two ZK-120 fans. Locate the male and female splicing connectors on the sides of the fan frames.
- Carefully align and push the connectors together until they click into place, forming a secure physical and electrical connection.
- Repeat this process for additional fans if you are installing more than two.
5.3 Cable Connections
After splicing the fans, you will have a single set of cables to connect to your motherboard or controller.
- PWM 4-PIN Connector: Connect the 4-pin PWM cable from the fan assembly to an available 4-pin fan header on your motherboard. This allows for fan speed control.
- ARGB 3-PIN Connector: Connect the 3-pin 5V ARGB cable from the fan assembly to an available 3-pin 5V ARGB header on your motherboard or a dedicated ARGB controller. Ensure it is a 5V header, not a 12V RGB header, to prevent damage.
6. Operating Instructions
6.1 Fan Speed Control
The ZK-120 fans utilize PWM (Pulse Width Modulation) for speed control. Once connected to a 4-pin PWM header on your motherboard, you can control the fan speed through your motherboard's BIOS/UEFI settings or dedicated software provided by your motherboard manufacturer (e.g., ASUS Fan Xpert, MSI Dragon Center, GIGABYTE SIV).
6.2 ARGB Lighting Control
For customizable lighting effects, ensure the 3-pin 5V ARGB connector is properly connected. You can then control the lighting via:
- Motherboard Software: Use your motherboard's ARGB software (e.g., ASUS Aura Sync, MSI Mystic Light Sync, GIGABYTE RGB Fusion, ASRock Polychrome Sync) to select various lighting modes, colors, and effects.
- External ARGB Controller: If your motherboard lacks a 5V 3-pin ARGB header, you may use a separate ARGB controller (not included) to manage the lighting.
7. Maintenance
7.1 Cleaning
Regular cleaning helps maintain optimal performance and extends the lifespan of your fans.
- Power off your PC and disconnect it from the power source before cleaning.
- Use compressed air to gently blow dust off the fan blades and frame.
- For stubborn dust, use a soft, dry cloth or a cotton swab. Avoid using liquid cleaners directly on the fan.
7.2 Bearing Maintenance
The ZK-120 fans are equipped with FDB (Fluid Dynamic Bearings), which are designed to be maintenance-free and offer a long operational life. No lubrication or special maintenance is required for the bearings.
8. Troubleshooting
8.1 Fan Not Spinning
- Check Power Connection: Ensure the 4-pin PWM connector is securely plugged into a functional fan header on your motherboard.
- BIOS Settings: Verify that the fan header is enabled in your motherboard's BIOS/UEFI settings and that the fan curve is set appropriately (e.g., not set to 0 RPM at low temperatures).
- Cable Splicing: If using multiple fans, ensure all wire-free splicing connections are firm and correctly aligned.
8.2 ARGB Lighting Not Working or Incorrect
- Check ARGB Connection: Ensure the 3-pin 5V ARGB connector is securely plugged into a 5V 3-pin ARGB header on your motherboard or controller. Do NOT connect to a 12V 4-pin RGB header, as this will damage the LEDs.
- Software Control: Make sure your motherboard's ARGB software is installed and updated. Check if the lighting effects are enabled and configured correctly within the software.
- Controller Functionality: If using an external ARGB controller, ensure it is powered and functioning correctly.
8.3 Excessive Noise
- Mounting: Ensure the fan is securely mounted and not vibrating against the case or radiator. Check that all mounting screws are tightened appropriately.
- Obstructions: Verify that no cables or other components are touching the fan blades.
- Dust Buildup: Clean the fan blades and frame as described in the Maintenance section.
- Fan Speed: If the noise is due to high RPM, adjust the fan speed curve in your motherboard's BIOS/UEFI or software to a lower setting.
9. User Tips
- Optimal Airflow: When installing multiple fans, pay attention to airflow direction. Typically, fans should draw cool air into the case and exhaust hot air out. The ZK-120 features reverse cooling blades, which can be useful for specific airflow configurations.
- Cable Management: Utilize the wire-free splicing feature to minimize cable clutter, especially in builds with multiple fans. Use the segmented extension cable for connections across different sections of your case.
- ARGB Customization: Experiment with different lighting effects and colors using your motherboard's software to match your system's aesthetic or create unique visual themes.
10. Warranty & Support
10.1 Warranty Information
The JONSBO ZK-120 fan is backed by a 5-year warranty on its FDB dynamic hydraulic bearings, ensuring long-term reliability and performance. Please retain your proof of purchase for warranty claims.
10.2 Technical Support
For technical assistance, troubleshooting, or warranty inquiries, please contact your retailer or the official Jonsbo support channels. Refer to the Jonsbo website for the most up-to-date support information.
