1. Product Overview
The Jonsbo D400 is a versatile ATX PC chassis designed for desktop, office, and gaming applications. It features a golden ratio cutting three-dimensional design with curved bending tempered glass, offering a 270-degree ultra-wide field of view without a front pillar. This design provides a clean and transparent visual experience, highlighting your internal components.
The chassis supports various motherboard form factors including ATX, M-ATX, and Mini-ITX, and offers extensive cooling options with multiple fan and radiator mounting positions. Its thoughtful design focuses on efficient cooling and ease of installation, making it suitable for a wide range of PC builds.
Video: Jonsbo D400 PC Case Product Showcase, demonstrating features like fan placement and GPU orientation.
Image: Product overview highlighting the 270-degree view and design philosophy.
Image: Front panel without pillar design, offering a 270-degree ultra-wide view.
2. Specifications
| Feature | Specification |
|---|---|
| Model Number | D400 |
| Color Options | Black, White |
| Case Size (D*W*H) | 488mm * 239mm * 514mm (including footrest) |
| Case Weight | 11kg |
| Material | Aluminum alloy, Steel (SPCC&SGCC), ABS plastic, Tempered glass |
| Motherboard Compatibility | ATX, MicroATX, Mini-ITX |
| Internal 3.5" Drive Bays | 2 (or 1x 3.5" HDD + 1x 2.5" SSD on back line side, 1x 3.5" HDD or 1x 2.5" SSD in power compartment) |
| Internal 2.5" Drive Bays | 4 (or 2x 2.5" SSD on back line side, 1x 3.5" HDD + 1x 2.5" SSD on back line side, 1x 3.5" HDD or 1x 2.5" SSD in power compartment) |
| Front Ports | USB3.2 Gen2 Type-C*1, USB3.0*2, AUDIO*1 & MIC*1 |
| 120mm Fan Options | Up to 10 (Top: 3, Side: 3, Rear: 1, Power compartment: 3) |
| 140mm Fan Options | Up to 2 (Top: 2) |
| Radiator Size Support | Up to 360mm (Top plate 240/280/360, Side 360) |
| Max CPU Cooler Height | 169mm |
| Max GPU Length | 450mm |
| Max PSU Length | 200mm (ATX PS2) |
| Power Supply Mounted | Bottom |
| Dust Filters | Bottom |
| Side Panel Window | Yes (Tempered Glass) |
| RGB Support | No RGB (Case itself, fans are optional) |
Image: Detailed dimensions of the Jonsbo D400 chassis.
3. Setup and Installation
3.1 Preparing the Chassis
Before installing components, ensure you have a clean, static-free workspace. Carefully remove the side panels. The D400 features a quick disassembly design for easy access.
Image: Multi-faceted grille molding top cover with quick disassembly design for convenient customization.
3.2 Motherboard Installation
- Install the necessary standoffs for your ATX, M-ATX, or Mini-ITX motherboard.
- Carefully place your motherboard into the chassis, aligning it with the standoffs and I/O shield.
- Secure the motherboard with screws.
3.3 Power Supply Unit (PSU) Installation
The D400 supports ATX PS2 power supplies up to 200mm in length and is mounted at the bottom of the chassis.
- Slide the PSU into its designated compartment at the bottom rear of the case.
- Secure the PSU with screws from the rear of the chassis.
Image: Illustration of the bottom-mounted power supply unit (PSU) and stable air duct footwall.
3.4 Storage Drive Installation
The D400 offers flexible storage options:
- Back Line Side: Supports 2x 2.5" SSDs or 1x 3.5" HDD + 1x 2.5" SSD.
- Power Compartment: Supports 1x 2.5" SSD or 1x 3.5" HDD.
Mount your SSDs/HDDs in the appropriate trays/brackets and secure them with screws.
Image: Diagram showing hard disk support and mounting options for 2.5" SSDs and 3.5" HDDs.
3.5 Graphics Card (GPU) Installation
The chassis supports graphics cards up to 450mm in length. It features a 7-bit PCI slot for ample space.
For vertical GPU installation, the PCIE slot can be rotated. This may require flipping the original backplane or purchasing a third-party transfer bracket. A video adapter cable must be purchased separately.
Image: Illustration showing the maximum GPU length of 450mm and CPU cooler height of 169mm.
Image: Diagram illustrating the rotatable PCIE slot for vertical graphics card installation.
3.6 Cooling System Installation (Fans & Radiators)
The D400 offers extensive cooling support:
- Top: Up to 3x 120mm fans or 2x 140mm fans. Supports 240/280/360mm radiators.
- Side: Up to 3x 120mm fans. Supports 360mm radiators.
- Rear: 1x 120mm fan.
- Power Compartment: Up to 3x 120mm fans.
Install fans and radiators according to your cooling needs, ensuring proper airflow direction for optimal heat dissipation.
Image: Diagram detailing multiple fan and dual 360 AIO (All-In-One liquid cooler) slot support.
Image: Visual representation of water cooling configurations, including TH-360 and ZB-360WR.
Image: Visual representation of air cooling configurations, including HX-6280 and ZB-120.
3.7 Front Panel Connections
Connect the front panel cables to your motherboard. The D400 provides the following ports:
- 1x USB3.2 Gen2 Type-C (10Gbps)
- 2x USB3.0 (5Gbps)
- 1x Audio (Headset audio 2 in 1)
- 1x Microphone
- Power Button
- Restart Key
Image: Diagram showing the front panel interface ports and buttons.
3.8 Cable Management
The D400 is designed with ATX backboard compatibility, offering ample space (43mm topline, 50mm backboard) for cable routing. Utilize the cable tie-down points and routing channels to achieve a clean build and optimize airflow.
Image: Illustration of the ATX backboard compatibility and cable management space behind the motherboard tray.
4. Operating Your PC Case
Once all components are installed and secured, and all cables are connected, you can power on your system. The D400's design prioritizes efficient cooling to prevent heat accumulation, ensuring stable operation for your components.
Image: Depiction of the high-efficiency cooling channel, preventing heat accumulation within the chassis.
The multiple mesh openings throughout the fuselage are crucial for optimizing heat dissipation, allowing for a relaxed and immersive gaming or working experience.
Image: Close-up of the multiple mesh openings designed to optimize heat dissipation.
5. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your PC components.
- Dust Filters: The D400 includes a removable dust filter at the bottom. Regularly clean this filter to prevent dust buildup and maintain good airflow.
- Interior Cleaning: Periodically open the side panels and use compressed air to remove dust from internal components and fan blades.
- Exterior Cleaning: Wipe the exterior surfaces, including the tempered glass panels, with a soft, damp cloth. Avoid abrasive cleaners.
Image: View of the removable bottom air filter for easy cleaning.
6. Troubleshooting
If you encounter issues during or after building your PC, consider the following general troubleshooting steps:
- No Power: Double-check all power connections, including the 24-pin ATX, 8-pin CPU, and GPU power cables. Ensure the PSU switch is in the 'ON' position.
- No Display: Verify that your monitor is connected to the graphics card (not the motherboard integrated graphics, unless you are using it) and that the GPU is properly seated in its PCIe slot. Reseat RAM modules.
- Component Not Detected: Ensure all components (GPU, RAM, storage drives) are correctly seated and connected. Check BIOS/UEFI settings to confirm detection.
- Overheating: Confirm that all fans are spinning and installed in the correct orientation for airflow. Ensure CPU cooler and GPU coolers are properly mounted. Check for dust buildup in filters and heatsinks.
- Loose Cables: A common cause of issues is loose or improperly connected cables. Re-check all internal and external connections.
7. User Tips
- Showcase Your Build: The D400's 270-degree tempered glass design is perfect for showcasing RGB lighting and custom components. Plan your lighting scheme to take full advantage of the 'seaview room' aesthetic.
- Optimize Airflow: With numerous fan mounting options, experiment with different fan configurations (intake/exhaust) to find the best balance for your specific components and ambient temperature.
- Vertical GPU Mounting: If you have a visually appealing graphics card, consider utilizing the rotatable PCIe slot for vertical mounting to make it a focal point of your build. Remember to acquire a compatible riser cable.
- Cable Management is Key: Utilize the generous cable management space behind the motherboard tray to keep your build tidy. This not only improves aesthetics but also enhances airflow.
8. Warranty and Support
For warranty information and technical support, please refer to the official Jonsbo website or contact your retailer. Keep your proof of purchase for any warranty claims.
