1. Introduction
The SilverStone Air Slimmer 120 (SST-AS120B) is a high-performance 120mm slim fan designed for computer systems with limited space. Its 15.6mm thickness allows for installation in compact enclosures or alongside other components where standard fans may not fit. The fan features a unique 9 scimitar blade design to generate high air pressure and airflow, facilitating efficient heat dissipation through radiators or heatsinks. Equipped with an all-copper Fluid Dynamic Bearing (FDB) and an actively-cooled motor, it offers low friction, high durability, and efficient operation.
2. Package Contents
Verify that all components are present before proceeding with installation.
- SilverStone Air Slimmer 120 Fan (SST-AS120B)
- Mounting Screws
- Connection Cable (4-pin PWM)

Image: The SilverStone Air Slimmer 120 fan with its included mounting screws and 4-pin PWM cable.
3. Setup and Installation
This section outlines the general steps for installing the Air Slimmer 120 fan. Specific installation may vary based on your computer case or cooling solution.
- Prepare your system: Power off your computer and disconnect it from the power source. Open your computer case to access the internal components.
- Identify mounting location: Determine where the fan will be installed (e.g., case fan mount, radiator, heatsink). Ensure the fan's airflow direction is appropriate for your cooling strategy (intake or exhaust).
- Mount the fan: Align the fan with the mounting holes. Use the provided screws to secure the fan to the desired location. Do not overtighten the screws.
- Connect the fan cable: Locate an available 4-pin PWM fan header on your motherboard or fan controller. Connect the fan's 4-pin cable to this header. Ensure the connector is properly seated.
- Cable management: Route the fan cable neatly to avoid interference with other components or airflow.
- Close the case: Once the fan is securely installed and connected, close your computer case and reconnect the power.

Image: A SilverStone Air Slimmer 120 fan installed as a case exhaust fan, demonstrating its slim profile.

Image: A close-up view of the fan's mounting corner, showing the screw hole and anti-vibration pad.

Image: The SilverStone Air Slimmer 120 fan attached to a CPU heatsink, highlighting its compatibility with various cooling solutions.
4. Operation
The Air Slimmer 120 fan utilizes a 4-pin PWM (Pulse Width Modulation) connector, allowing for dynamic speed control by your motherboard or fan controller. This enables the fan speed to adjust automatically based on system temperature, optimizing cooling performance and noise levels.
- Automatic Speed Control: When connected to a 4-pin PWM header, the fan speed will be regulated by the system's BIOS/UEFI settings or dedicated fan control software.
- Manual Speed Control: Most motherboards and fan controllers offer options to manually set fan curves or fixed speeds. Refer to your motherboard manual for specific instructions on configuring fan settings.
- Airflow Direction: The fan typically has an arrow indicating the direction of airflow and blade rotation. Ensure it aligns with your desired cooling configuration (e.g., pushing air into the case or exhausting it).

Image: Front view of the SilverStone Air Slimmer 120 fan, showing the fan blades and central SilverStone logo.

Image: Back view of the SilverStone Air Slimmer 120 fan, displaying the product label with model number and electrical specifications.

Image: A close-up of the 4-pin PWM connector for the SilverStone Air Slimmer 120 fan, used for power and speed control.
5. Maintenance
Regular maintenance helps ensure optimal performance and longevity of your fan.
- Dust Cleaning: Periodically inspect the fan blades and frame for dust accumulation. Use compressed air or a soft brush to gently remove dust. Ensure the fan is powered off before cleaning.
- Bearing Care: The Fluid Dynamic Bearing (FDB) is designed for long-term, maintenance-free operation. Avoid disassembling the fan or attempting to lubricate the bearing, as this may void the warranty and damage the fan.
- Cable Inspection: Check the fan cable for any signs of wear, fraying, or damage. Ensure it remains securely connected.
6. Troubleshooting
If you encounter issues with your Air Slimmer 120 fan, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan not spinning |
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| Fan is too loud |
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| Poor cooling performance |
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7. Specifications
Detailed technical specifications for the SilverStone Air Slimmer 120 (SST-AS120B) fan.
| Feature | Detail |
|---|---|
| Model Number | SST-AS120B |
| Dimensions | 120mm (L) x 120mm (W) x 15.6mm (H) |
| Material | Polycarbonate blades, PBT frame |
| Bearing Type | Fluid Dynamic Bearing (FDB) |
| Rated Voltage | 12V DC |
| Operating Voltage | 10.8V ~ 13.2V DC |
| Start-up Voltage | 6V DC |
| Rated Current | 0.32A |
| Rated Power | 3.84W |
| Speed | 0 ~ 1800 RPM |
| Airflow | 0 ~ 63.7 CFM |
| Static Pressure | 0 ~ 2.05 mmH2O |
| Noise Level | 0 ~ 31.7 dBA |
| Connector | 4-Pin PWM |

Image: A diagram illustrating the dimensions of the SilverStone Air Slimmer 120 fan (4.8"L x 4.8"W x 0.6"H).

Image: Technical drawing showing the precise dimensions of the Air Slimmer 120 fan, including its 120mm width, 120mm depth, and 15.6mm height.
8. Product Videos
Video: SilverStone Air Slimmer Series Fans introduction. This video provides an overview of the Air Slimmer series, highlighting their slim design and performance capabilities for space-constrained systems.
9. Warranty and Support
SilverStone Technology provides a limited warranty for its products. For specific warranty terms, duration, and support procedures, please refer to the official SilverStone Technology website or contact their customer support directly.
Contact Information:
- Website: www.silverstonetek.com
- Customer Support: Refer to the "Support" or "Contact Us" section on the official website for regional contact details.





