1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your BitFenix Nova Mesh mATX ARGB PC Case. Please read this guide thoroughly before beginning assembly to ensure proper setup and optimal performance. Keep this manual for future reference.
2. Product Overview
The BitFenix Nova Mesh mATX ARGB PC Case is designed for high airflow and aesthetic appeal, featuring pre-installed ARGB fans and support for various PC components. Its compact mATX form factor makes it suitable for efficient builds.

Image: Front view of the BitFenix Nova Mesh mATX ARGB PC Case, highlighting its dimensions (385mm H x 205mm W x 400mm D), three 120mm ARGB fans, and the included 4+4 ARGB controller.
Key Features:
- High Airflow Design: Mesh front panel for optimal ventilation.
- Pre-installed ARGB Fans: Three 120mm ARGB fans included with a built-in ARGB LED/PWM system controller.
- Component Compatibility: Supports Micro ATX and Mini ITX motherboards.
- GPU Support: Accommodates graphics cards up to 345mm in length.
- CPU Cooler Support: Air coolers up to 160mm in height.
- PSU Support: Power supplies up to 180mm in length.
- Radiator Support: Top: 240mm (thickness up to 27mm, fans up to 25mm thick with memory height up to 38mm). Front: 240mm/280mm. Rear: 120mm.
- Storage Options: Modular HDD cage with 3+1 2.5" SSD mounts and 2 x 3.5" HDD trays.
- Cable Management: 25mm space behind the motherboard tray.
- Tempered Glass Side Panel: 4mm screw-free tempered glass for easy access and aesthetics.
- Dust Filtration: Removable front panel, PSU dust filter at the bottom, and magnetic dust filter at the top.
3. Setup and Installation
Follow these steps for assembling your PC components within the BitFenix Nova Mesh mATX ARGB case.
3.1 Preparing the Case
- Remove Side Panels: Carefully remove the 4mm screw-free tempered glass side panel and the solid steel side panel.
- Accessory Box: Locate the accessory box inside the case, which contains screws and other mounting hardware.
3.2 Motherboard Installation
- Install Standoffs: Ensure the correct standoffs are installed for your Micro ATX or Mini ITX motherboard.
- Mount Motherboard: Place your motherboard onto the standoffs and secure it with the appropriate screws.
3.3 Power Supply Unit (PSU) Installation

Image: Diagram showing the modular HDD cage with 2.5" SSD mounts and 3.5" HDD trays, and the power supply unit (PSU) installation area with space up to 180mm.
- Position PSU: Slide the PSU into the bottom mount area, ensuring the fan faces downwards for optimal cooling (if applicable).
- Secure PSU: Fasten the PSU to the rear of the case with screws.
3.4 Storage Drive Installation
- 2.5" SSDs: Mount 2.5" SSDs onto the dedicated mounts behind the motherboard tray or on the modular HDD cage.
- 3.5" HDDs: Install 3.5" HDDs into the removable trays within the modular HDD cage.
3.5 Graphics Card (GPU) Installation

Image: Internal view of the case illustrating support for graphics cards up to 345mm, air coolers up to 160mm, and 25mm cable management space.
- Remove PCIe Slot Covers: Remove the necessary PCIe slot covers from the rear of the case.
- Insert GPU: Carefully insert your graphics card into the appropriate PCIe slot on the motherboard.
- Secure GPU: Fasten the GPU with screws to the case.
3.6 Cooling System Installation (Optional)

Image: Internal layout detailing radiator support (240mm at top, 120mm/240mm/280mm at front, 120mm at rear) and fan configurations.
- Air Cooler: Install your CPU air cooler, ensuring it does not exceed 160mm in height.
- Liquid Cooler (AIO): For 240mm AIO radiators, mount them at the top of the case. Ensure radiator thickness is within 27mm and fan thickness up to 25mm, with memory height up to 38mm.
- Additional Fans: Install additional 120mm or 140mm fans as needed in the front, top, or rear positions.
3.7 Cable Management
Utilize the 25mm space behind the motherboard tray and the various cable routing cutouts to organize cables. This improves airflow and aesthetics.
4. Operating the ARGB Lighting System
The BitFenix Nova Mesh mATX ARGB case comes with three pre-installed ARGB fans and a controller for managing the lighting effects.

Image: Diagram illustrating the connection of ARGB fans to the controller, SATA power, motherboard ARGB 3-pin connector, and the front RGB switch.
4.1 ARGB Control Options
- Case Button Control: The pre-installed ARGB controller can be connected to the case's front RGB switch (often the reset button). Pressing this button will cycle through various ARGB lighting modes and colors.
- Motherboard Sync: If your motherboard supports Addressable RGB (aRGB) with a 3-pin 5V header, you can connect the controller to your motherboard. This allows you to synchronize the case lighting with other ARGB components using your motherboard's software (e.g., ASUS Aura Sync, MSI Mystic Light Sync, GIGABYTE RGB Fusion, ASRock Polychrome Sync, BIOSTAR RGB Sync).
4.2 Fan Speed Control (PWM)
The included controller also supports PWM (Pulse Width Modulation) for fan speed control. Connect the fan PWM cables to the controller, and the controller's PWM cable to a motherboard fan header. This allows your motherboard to dynamically adjust fan speeds based on system temperature.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your PC case and components.
5.1 Dust Filter Cleaning

Image: Exploded view of the front panel, dust filter, and high-density mesh, along with images of the PSU dust filter and magnetic top dust filter, emphasizing easy cleaning.
- Front Panel Filter: The front panel is removable for easy access to the dust filter. Gently pull the bottom of the front panel to detach it, then remove and clean the filter.
- Top Magnetic Filter: The magnetic dust filter on the top of the case can be easily lifted off for cleaning.
- PSU Dust Filter: The dust filter located at the bottom, beneath the PSU, slides out for cleaning.
- Cleaning Method: Use compressed air or a soft brush to remove accumulated dust from the filters. Wash with water if necessary, ensuring they are completely dry before reinstallation.
5.2 General Cleaning
- Exterior: Wipe the exterior surfaces with a soft, damp cloth. Avoid abrasive cleaners.
- Interior: Periodically use compressed air to clear dust from internal components and fan blades. Ensure the PC is powered off and unplugged before cleaning.
6. Troubleshooting
This section addresses common issues you might encounter with your PC case.
6.1 Fans Not Spinning or RGB Not Working
- Power Connection: Ensure the ARGB controller is properly connected to a SATA power cable from your PSU.
- Fan Connections: Verify that all fan PWM and ARGB cables are securely connected to the controller.
- Motherboard Sync: If using motherboard sync, ensure the controller's ARGB cable is connected to the correct 3-pin 5V aRGB header on your motherboard (not a 4-pin 12V RGB header). Check your motherboard's software for ARGB control.
- Case Button: If using the case button for control, ensure it is correctly wired to the controller. Try pressing the button to cycle through modes.
6.2 Poor Airflow or High Temperatures
- Dust Filters: Clean all dust filters as described in the Maintenance section.
- Fan Orientation: Verify that fans are oriented correctly for optimal airflow (front fans typically intake, rear/top fans exhaust).
- Cable Management: Improve cable management to reduce obstructions to airflow.
- Component Clearance: Ensure no components are blocking fan intakes or exhausts.
6.3 Side Panel Difficult to Close
- Cable Routing: Check for any cables that are bulging or obstructing the side panel. Reroute them through the cable management channels.
- Component Placement: Ensure all components are seated correctly and not extending beyond the case's internal dimensions.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | BFC-NSE-300-KKGSR-4A |
| Form Factor | Micro ATX, Mini ITX |
| Case Type | Mid Tower |
| Dimensions (L x W x H) | 15.16 x 8.07 x 15.75 inches (385 x 205 x 400 mm) |
| Material | Metal, Tempered Glass |
| Color | Black |
| Pre-installed Fans | 3 x 120mm ARGB Fans |
| Fan Support (Front) | 2 x 120mm or 2 x 140mm |
| Fan Support (Top) | 2 x 120mm |
| Fan Support (Rear) | 1 x 120mm |
| Radiator Support (Top) | 240mm (thickness <= 27mm, fan thickness <= 25mm, memory height <= 38mm) |
| GPU Length Support | Up to 345mm |
| Air Cooler Height Support | Up to 160mm |
| PSU Length Support | Up to 180mm |
| Drive Bays (2.5" SSD) | 3+1 |
| Drive Bays (3.5" HDD) | 2 |
| Cable Management Space | 25mm behind motherboard tray |
| Dust Filters | Front Panel, PSU (Bottom), Magnetic (Top) |
| I/O Ports | 2 x USB 3.0 |
8. Warranty Information
BitFenix products are manufactured to the highest quality standards. This product is covered by a manufacturer's warranty against defects in materials and workmanship. The specific warranty period and terms may vary by region and retailer. Please retain your proof of purchase for warranty claims.
For detailed warranty information, please refer to the official BitFenix website or contact your local retailer.
9. Support
If you encounter any issues or have questions regarding your BitFenix Nova Mesh mATX ARGB PC Case that are not covered in this manual, please contact BitFenix customer support or visit their official website for further assistance.
BitFenix Official Website: www.bitfenix.com
Please have your product model number (BFC-NSE-300-KKGSR-4A) and proof of purchase ready when contacting support.







