1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your FOIFKIN F3 ATX Mid-Tower PC Case. Please read this manual thoroughly before beginning assembly to ensure proper setup and safe usage. The F3 case features a 270° panoramic double-cabin design, pre-installed ARGB PWM fans, and extensive compatibility for various PC components.
2. Safety Information
- Always disconnect the power supply from the wall outlet before installing or servicing any components.
- Handle tempered glass panels with care. They are fragile and can break if dropped or subjected to impact.
- Wear anti-static gloves or use an anti-static wrist strap to prevent electrostatic discharge (ESD) damage to components.
- Keep small parts and screws away from children.
- Ensure proper ventilation around the PC case to prevent overheating.
3. Package Contents
The FOIFKIN F3 PC Case package includes the following items:
- FOIFKIN F3 ATX Mid-Tower PC Case
- 3 x Pre-installed ARGB PWM Reverse Fans
- Accessory Box (containing screws, standoffs, cable ties, and user manual)
4. Specifications
| Feature | Specification |
|---|---|
| Model Name | F3 |
| Case Type | ATX Mid-Tower |
| Dimensions (L x W x H) | 16.9 x 8.4 x 19.2 inches (42.9 x 21.3 x 48.8 cm) |
| Motherboard Compatibility | ATX, M-ATX, ITX |
| Pre-installed Fans | 3 x 120mm ARGB PWM Reverse Fans |
| Max Fan Support | Up to 10 x 120mm fans (sides, top, PSU shroud) |
| Radiator Support | Up to 360mm (top), 360mm (side) |
| Max CPU Cooler Height | 165mm |
| Max GPU Length | 400mm |
| PSU Type & Length | ATX, up to 200mm |
| Drive Bays | 1 x 3.5" HDD, 3 x 2.5" SSD |
| Expansion Slots | 7 |
| Front I/O Ports | 1 x Type-C 3.0, 1 x USB 3.0, 1 x USB 2.0, Microphone & Audio, LED Switch Button, Power Button, Restart Button |
5. Setup Guide
5.1. Preparation and Panel Removal
Before beginning installation, ensure you have a clean, flat workspace. The F3 case features tool-less tempered glass side panels for easy access.
- Place the PC case on its side on a soft, non-abrasive surface.
- Locate the snap-on tempered glass side panel. Gently pull the panel to detach it from the case.
- Carefully set the glass panel aside in a safe location to prevent damage.
- Repeat for the other side panel if necessary for cable management access.

Image: The FOIFKIN F3 PC Case showcasing its tempered glass snap design and dual chamber layout for easy access and component separation.
5.2. Motherboard Installation
The F3 case supports ATX, M-ATX, and ITX motherboards.
- Install the necessary standoffs onto the motherboard tray according to your motherboard's form factor.
- Carefully place your motherboard onto the standoffs, aligning the screw holes.
- Secure the motherboard with the provided screws.
5.3. Power Supply Installation
The power supply unit (PSU) mounts at the bottom of the case, supporting ATX PSUs up to 200mm in length.
- Slide the PSU into its designated compartment at the bottom rear of the case.
- Secure the PSU with screws from the rear of the case.
5.4. Storage Drive Installation
The case provides bays for 1 x 3.5" HDD and 3 x 2.5" SSDs.
- 3.5" HDD: Locate the HDD cage, typically near the PSU shroud. Slide the HDD into the tray and secure it with screws.
- 2.5" SSD: Mount SSDs onto the dedicated brackets on the motherboard tray or in the rear chamber. Secure with screws.

Image: Internal view of the FOIFKIN F3 PC Case highlighting the storage drive mounting points for HDDs and SSDs.
5.5. Graphics Card (GPU) Installation
The F3 case supports GPUs up to 400mm in length.
- Remove the necessary expansion slot covers from the rear of the case.
- Insert your graphics card into the appropriate PCIe slot on your motherboard.
- Secure the graphics card to the case with screws.

Image: A graphics card installed within the FOIFKIN F3 PC Case, demonstrating ample space.
5.6. Cooling System Installation
The F3 comes with 3 pre-installed ARGB PWM reverse fans. Additional fans and radiators can be installed.
- Fans: The case supports up to 10 x 120mm fans on the sides, top, and PSU shroud. Ensure correct airflow direction (intake/exhaust).
- Radiators: Up to a 360mm radiator can be mounted on the top and side panels.

Image: Diagram illustrating fan support and optimized airflow within the FOIFKIN F3 PC Case.
5.7. Cable Management
The dual-chamber design and ample space in the rear chamber facilitate clean cable management.
- Route all power and data cables through the cutouts in the motherboard tray to the rear chamber.
- Use the provided cable ties to bundle and secure cables, keeping them tidy and out of the airflow path.
5.8. Front Panel I/O Connections
Connect the front panel cables to the corresponding headers on your motherboard.
- USB 3.0/2.0/Type-C: Connect the USB cables to the appropriate headers.
- Audio: Connect the HD Audio cable to the audio header.
- Power/Reset/LED: Connect the small individual cables for power, reset, and LED control to the front panel headers. Refer to your motherboard manual for exact pinouts.

Image: Close-up of the FOIFKIN F3 PC Case's modern front panel I/O ports, including USB and audio connections.
6. Operating Instructions
- Once all components are installed and cables are connected, replace the side panels.
- Connect your monitor, keyboard, mouse, and power cable to the PC.
- Press the Power Button on the front panel to start your PC.
- Use the LED Switch Button to cycle through different ARGB lighting modes for the pre-installed fans.
7. Maintenance
- Cleaning: Regularly clean the exterior of the case with a soft, damp cloth. Avoid abrasive cleaners.
- Dust Filters: The case features magnetic dust filters on the top and bottom. Remove and clean these filters periodically to maintain optimal airflow and prevent dust buildup inside the system.
- Internal Cleaning: Every few months, open the side panels and use compressed air to remove dust from internal components and fans.
8. Troubleshooting
- PC not powering on: Check all power connections, including the PSU to the wall, PSU to motherboard (24-pin and CPU 8-pin), and front panel power switch cable.
- Fans not spinning/LEDs not lighting up: Ensure all fan and ARGB cables are correctly connected to the motherboard or a fan controller. Check motherboard manual for ARGB header compatibility (5V 3-pin).
- Overheating: Verify that all fans are spinning and oriented correctly for optimal airflow. Ensure CPU cooler and GPU fans are functioning. Clean dust filters.
- No display: Confirm monitor is connected and powered on. Reseat the graphics card and check its power connections.
9. Warranty and Support
FOIFKIN guarantees the quality of this product. If you encounter any issues with your F3 PC Case, please contact FOIFKIN customer support. You can typically find contact information by clicking the "Sold-by-FOIFKIN" link on the product's purchase page. We are committed to providing the best possible support to our customers.