1. Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of your JONSBO D31 MESH Micro ATX Computer Case. Please read this manual thoroughly before beginning assembly to ensure proper setup and optimal performance.
The JONSBO D31 MESH is a compact Micro ATX chassis designed for efficient cooling and broad hardware compatibility, supporting MATX/ITX motherboards, large GPUs, and various cooling solutions.
2. Característiques clau
- Mesh Panel Design: The mesh front and top panels enhance ventilation and heat dissipation, contributing to lower system temperatures.
- Compact Size, High Compatibility: Despite its Micro ATX form factor, the D31 MESH supports high-performance components including GPUs up to 400mm in length and various AIO liquid coolers.
- Adjustable Power Supply Position: Features a 4-level height adjustment for the power supply unit (PSU), accommodating different hardware configurations and PSU lengths (100mm-220mm).
- Disseny sense eines: Multiple tool-free elements simplify the assembly process and maintenance.
- Suport de refrigeració: Supports air coolers up to 168mm high and AIO liquid coolers up to 360mm (top) or 360mm (bottom).
3. Components de la caixa més enllàview
Familiarize yourself with the various parts of the JONSBO D31 MESH case before beginning assembly.

Figura 3.1: Explotat view of the JONSBO D31 MESH case, illustrating its modular design for easy access and service.

Figura 3.2: Intern view of the D31 MESH case, highlighting the spacious layout for component installation.

Figura 3.3: Example build within the D31 MESH case, demonstrating component fitment.
4. Configuració i instal·lació
Follow these general steps for assembling your PC within the JONSBO D31 MESH case. Refer to your component manuals for specific installation details.
4.1 Preparació del cas
- Remove the side panels and top panel. The side panels typically unclip or slide off, while the top panel may be secured with thumbscrews.
- Identify the motherboard standoffs. Install additional standoffs if required by your motherboard's form factor (MATX/ITX).
4.2 Instal·lació de la placa base
- Instal·leu la protecció d'E/S a l'obertura posterior de la carcassa.
- Carefully align your MATX or ITX motherboard with the standoffs and I/O shield.
- Fixeu la placa base amb cargols.
4.3 Instal·lació de la unitat d'alimentació (PSU).
The D31 MESH offers adjustable PSU mounting positions. Choose the position that best suits your GPU length and cooling configuration.

Figure 4.1: Illustration of the 4-level adjustable power supply position, demonstrating how it affects GPU and cooling compatibility. The power supply can be installed in a two-way orientation.
- Determine the optimal PSU mounting level based on your GPU length and desired cooling setup.
- Mount your ATX or SFX PSU (100mm-220mm length) into the designated bracket.
- Secure the PSU bracket to the case.
4.4 Instal·lació de la targeta gràfica (GPU)
The case supports GPUs up to 400mm in length, depending on the PSU position.
- Traieu les cobertes de les ranures PCI-E necessàries de la part posterior de la carcassa.
- Insert your GPU into the primary PCI-E slot on the motherboard.
- Fixeu la GPU amb cargols.
4.5 Instal·lació del sistema de refrigeració
The D31 MESH supports various air and liquid cooling configurations.

Figure 4.2: Fan and radiator compatibility diagram for the D31 MESH, illustrating support for various sizes and configurations.
- Air Coolers: Supports air coolers up to 168mm in height.
- AIO Liquid Coolers: Supports 240/280/360mm AIO radiators on the top, and 240/360mm AIO radiators on the bottom.
- Install fans and radiators according to your chosen configuration, ensuring proper airflow direction.
4.6 Instal·lació de la unitat d'emmagatzematge
The case supports 3.5" HDD x 1 and 2.5" SSD x 2 (on the back of the motherboard tray).

Figure 4.3: Storage drive mounting locations for 3.5" HDD and 2.5" SSDs.
- Mount your storage drives into the designated bays.
- Secure them with screws.
4.7 Gestió de cables
Route all cables neatly to ensure optimal airflow and a clean build. Utilize the cable tie-down points behind the motherboard tray.
5. Compatibility Guidelines
The JONSBO D31 MESH is designed to accommodate a range of components. Please observe the following compatibility guidelines:
- Placa base: Micro ATX (MATX) / Mini-ITX (ITX)
- Longitud de la GPU: 330mm - 400mm (varies with PSU position)
- Tipus d'alimentació: ATX / SFX (100mm - 220mm length)
- Alçada del refrigerador d'aire de la CPU: Fins a 168 mm
- AIO Radiator Support:
- Top: 240mm, 280mm, 360mm
- Bottom: 240mm, 360mm
- Emmagatzematge: 1 discs durs de 3.5", 2 discs SSD de 2.5"
6. Flux d'aire i refrigeració
The D31 MESH case features a high-density mesh design on the front and top panels to facilitate excellent airflow. Proper fan configuration is crucial for maintaining optimal component temperatures.

Figure 6.1: Vertical air duct structure for efficient cooling. The mesh panels allow for unrestricted intake and exhaust.
Video 6.1: Official JONSBO D31 MicroATX case overview, demonstrating its features and design. This video highlights the case's internal layout and cooling capabilities.
Consider installing intake fans at the bottom and exhaust fans at the top for an effective vertical airflow path. The offset fan installation position at the bottom helps reduce resistance for graphics card cooling.
7. Especificacions
| Característica | Especificació |
|---|---|
| Nom del model | D31 MESH |
| Tipus de cas | Torre Micro ATX |
| Compatibilitat amb la placa base | Micro ATX, Mini ITX |
| Dimensions (LxWxH) | 440 mm x 205 mm x 363 mm (17.32 x 8.07 x 14.29 polzades) |
| Material | Metall |
| Color | Negre |
| Pes de l'article | 6.85 quilograms (15.07 lliures) |
| Liquidació de la longitud de la GPU | 330mm - 400mm (dependent on PSU position) |
| Alçada lliure del refrigerador de CPU | 168 mm |
| PSU Type & Length | ATX / SFX, 100mm - 220mm (adjustable) |
| Suport del radiador (superior) | 240 mm, 280 mm, 360 mm |
| Radiator Support (Bottom) | 240 mm, 360 mm |
| Drive Bays | 1 discs durs de 3.5", 2 discs SSD de 2.5" |
| Ports d'E / S frontals | USB 3.0 x 1, USB 3.2 Gen 2 Type-C x 1, Headphone Audio x 1 |
8. Solució De Problemes
Si teniu problemes durant o després del muntatge, tingueu en compte els passos habituals següents per resoldre problemes:
- Sense energia: Ensure all power cables (24-pin ATX, 8-pin CPU, GPU power) are securely connected. Verify the PSU switch is in the 'ON' position. Check front panel power button connections to the motherboard.
- Sobreescalfament: Confirm all fans are spinning and oriented correctly for optimal airflow (intake/exhaust). Ensure CPU cooler and GPU fans are functioning. Check for proper thermal paste application on the CPU.
- Soroll del ventilador: Inspect fans for obstructions or loose mounting. Ensure fan speeds are appropriately controlled via BIOS or software.
- Component Fitment Issues: Double-check component dimensions against the case specifications, especially for large GPUs, CPU coolers, and PSU length. Adjust PSU position if necessary.
- Front Panel I/O Not Working: Verify that all front panel connectors (USB, audio, power/reset switches, LEDs) are correctly plugged into the motherboard headers.
9. Manteniment
Regular maintenance helps prolong the life of your PC components and ensures optimal performance.
- Neteja de pols: Periodically clean dust filters (if applicable) and internal components using compressed air. Ensure the system is powered off and unplugged before cleaning.
- Gestió de cables: Ensure cables remain neatly routed to prevent interference with airflow.
- Seguretat del panell: Periodically check that all panels and screws are securely fastened.
10. Garantia i Suport
Per obtenir informació sobre la garantia i assistència tècnica, consulteu la pàgina oficial de JONSBO. weblloc web o poseu-vos en contacte amb el vostre distribuïdor. Conserveu el comprovant de compra per a reclamacions de garantia.