1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Mars Gaming MC-Ultra White XXL E-ATX Gaming Tower. Please read this manual thoroughly before beginning installation to ensure proper setup and to maximize the performance and longevity of your product.
The MC-ULTRA gaming tower is designed for high-performance systems, featuring an E-ATX XXL chassis, dual ARGB LED stripes, and dual tempered glass windows for an optimal viewing experience of your internal components.
2. Features
- Full ARGB Compatibility: Integrated dual LED strips on the front and side with ARGB lighting. Control lighting modes via preset options or an ARGB controller/motherboard.
- Dual Tempered Glass Windows: Two full tempered glass panels provide a clear view of the internal components.
- Expanded E-ATX XXL Capacity: Designed to accommodate E-ATX motherboards and support extensive hardware configurations.
- Advanced Cooling Support: Supports up to nine 120mm fans and liquid cooling radiators up to 360mm. Includes hidden dust filters.
- Vertical Dual Chamber Structure: Separates the power supply and hard drives into a hidden side chamber for improved airflow and space optimization.
- Extensive Hardware Support: Accommodates VGAs up to 390mm long and 183mm wide, and CPU heatsinks up to 185mm high. Supports up to 7 hard drives.
3. Package Contents
Please verify that all components are present before beginning installation. If any items are missing or damaged, contact your retailer.
- Mars Gaming MC-Ultra White XXL E-ATX Gaming Tower (1 unit)
- Accessory Box (screws, standoffs, cable ties, etc.)
- User Manual (this document)
Note: VGA riser cable is not included and must be purchased separately if vertical GPU mounting is desired.
4. Setup Guide
4.1 Preparing the Case
- Unpack the Case: Carefully remove the case from its packaging.
- Remove Side Panels: Locate and remove the screws securing the tempered glass side panels. Carefully lift and set aside the panels on a soft, flat surface to prevent scratches.
- Accessory Box: Locate the accessory box inside the case, which contains mounting hardware.

Figure 1: Expanded E-ATX XXL Capacity. This image shows the case with its panels detached, highlighting the spacious interior designed for E-ATX motherboards and extensive hardware.
4.2 Motherboard Installation
- Install Standoffs: Ensure the correct standoffs are installed for your E-ATX motherboard. Additional standoffs may be required for larger boards.
- Mount Motherboard: Carefully place your motherboard onto the standoffs, aligning the screw holes. Secure the motherboard with the provided screws.
4.3 Power Supply Installation
The MC-ULTRA features a vertical dual-chamber structure. The power supply unit (PSU) is installed in the hidden side chamber.
- Locate PSU Bay: Open the rear side panel to access the PSU mounting bay.
- Mount PSU: Slide the PSU into the bay and secure it with screws from the rear of the case.

Figure 2: Vertical Dual Chamber Design. This image illustrates the internal layout where the power supply and storage drives are separated into a dedicated chamber for improved thermal management.
4.4 Storage Drive Installation
The case supports up to 7 hard drives (HDD/SSD).
- Identify Drive Bays: Locate the 2.5" SSD and 3.5" HDD drive bays/mounts within the case, typically behind the motherboard tray or in the PSU shroud area.
- Mount Drives: Secure your storage drives using the appropriate screws.
4.5 Graphics Card (VGA) Installation
The case supports VGAs up to 390mm long and 183mm wide. Both horizontal and vertical mounting options are available.
- Horizontal Mounting: Remove the necessary PCIe slot covers. Insert the graphics card into the PCIe slot on the motherboard and secure it with screws.
- Vertical Mounting (Optional): If using a VGA riser cable (not included), install the riser cable and then mount the graphics card vertically in the designated slots.
4.6 Cooling System Installation (Fans/Liquid Cooling)
The case supports up to nine 120mm fans and liquid cooling radiators up to 360mm.
- Fan Placement: Install fans in designated locations (front, top, rear, bottom) using fan screws. Refer to the diagram below for optimal placement.
- Radiator Placement: For liquid cooling, mount radiators to the appropriate fan mounts (e.g., top or front) and secure them.

Figure 3: Advanced Cooling Layout. This diagram illustrates the various fan and radiator mounting points, along with maximum component dimensions for CPU coolers (185mm), VGA length (390mm), and VGA width (183mm).
5. Operating Instructions
5.1 ARGB Lighting Control
The MC-ULTRA case features dual ARGB LED stripes on the front and side. These can be controlled in two ways:
- Preset Modes: Use the dedicated button on the case (if available, typically near the front I/O) to cycle through pre-programmed ARGB lighting effects.
- Motherboard Sync: Connect the case's ARGB connector to a compatible 3-pin 5V ARGB header on your motherboard. Use your motherboard's RGB software (e.g., ASUS Aura Sync, MSI Mystic Light, Gigabyte RGB Fusion, ASRock Polychrome Sync) to synchronize and customize the lighting.

Figure 4: Dual ARGB LED Strip. The image shows the front panel of the case with the illuminated ARGB LED strip running along the side.
6. Maintenance
6.1 Dust Filter Cleaning
The MC-ULTRA case includes hidden dust filters to protect internal components. Regular cleaning is recommended to maintain optimal airflow and cooling performance.
- Locate Filters: Identify the dust filters, typically located on the top, front, and bottom of the case.
- Remove Filters: Gently slide out or unclip the dust filters.
- Clean Filters: Use compressed air or a soft brush to remove accumulated dust. For heavily soiled filters, they can be washed with water and mild soap, then thoroughly dried before reinstallation.
- Reinstall Filters: Place the clean and dry filters back into their respective slots.
6.2 Tempered Glass Cleaning
To clean the tempered glass panels, use a microfiber cloth and a non-abrasive glass cleaner. Avoid harsh chemicals or abrasive materials that could scratch the glass.

Figure 5: Double Tempered Glass Window. The image displays the case with its transparent side panel, showcasing the internal components and ARGB lighting.
7. Troubleshooting
7.1 No Power / System Not Starting
- Check Power Connections: Ensure the power supply is properly connected to the wall outlet and the motherboard (24-pin ATX, 8-pin CPU, PCIe power for GPU).
- Front Panel Connectors: Verify that the front panel power switch connector is correctly attached to the motherboard's F_PANEL header.
- PSU Switch: Confirm the power switch on the back of the power supply is in the "ON" position.
7.2 ARGB Lighting Not Working
- ARGB Connection: Ensure the ARGB cable from the case is securely connected to a 3-pin 5V ARGB header on the motherboard or an ARGB controller. Avoid connecting to 4-pin 12V RGB headers, as this can cause damage.
- Software/Button: If connected to the motherboard, check your motherboard's RGB software settings. If using preset modes, ensure the case's ARGB button is functioning.
7.3 Overheating Issues
- Fan Orientation: Verify that case fans are installed with correct airflow direction (intake/exhaust).
- Dust Buildup: Clean dust filters and internal components regularly to ensure unrestricted airflow.
- Cable Management: Improve cable management to prevent obstruction of airflow paths.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | MCULTRAW |
| Brand | Mars Gaming |
| Case Type | XXL E-ATX Gaming Tower |
| Motherboard Compatibility | Extended ATX (E-ATX) |
| Material | Tempered Glass, Steel |
| Color | White |
| Product Dimensions (LxWxH) | 16.93 x 9.92 x 19.49 inches (430 x 252 x 495 mm) |
| Item Weight | 18.92 pounds (8.58 kg) |
| Max CPU Cooler Height | 185mm |
| Max VGA Length | 390mm |
| Max VGA Width | 183mm |
| Drive Bays | Up to 7 (combination of 2.5" and 3.5") |
| Fan Support | Up to nine 120mm fans |
| Liquid Cooling Support | Up to 360mm radiators |
| Front I/O Ports | 2x USB 2.0, 1x USB 3.0, Audio In/Out |
| Cooling Method | Air |
9. Warranty and Support
Mars Gaming products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your product or visit the official Mars Gaming website. Keep your purchase receipt as proof of purchase.
For technical support or inquiries, please contact your local retailer or Mars Gaming customer service through their official channels.





