1. Introduzione
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. Funzioni chjave
- 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).
- Cuncepimentu senza strumenti: Multiple tool-free elements simplify the assembly process and maintenance.
- Supportu di rinfrescante: Supports air coolers up to 168mm high and AIO liquid coolers up to 360mm (top) or 360mm (bottom).
3. Case Components Overview
Familiarize yourself with the various parts of the JONSBO D31 MESH case before beginning assembly.

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

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

Figura 3.3: Esample build within the D31 MESH case, demonstrating component fitment.
4. Setup è Installazione
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 Preparazione di u Casu
- 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 Installazione di a Scheda Madre
- Installate u schermu I/O in l'apertura posteriore di u chassis.
- Carefully align your MATX or ITX motherboard with the standoffs and I/O shield.
- Assicurà a scheda madre cù viti.
4.3 Installazione di l'unità di alimentazione (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 Installazione di a carta grafica (GPU)
The case supports GPUs up to 400mm in length, depending on the PSU position.
- Eliminate i coperchi di slot PCI-E necessarii da u fondu di u chassis.
- Insert your GPU into the primary PCI-E slot on the motherboard.
- Assicurate a GPU cù viti.
4.5 Installazione di u sistema di raffreddamentu
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 Installazione di l'unità di almacenamiento
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 Gestione di Cable
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:
- Scheda madre: Micro ATX (MATX) / Mini-ITX (ITX)
- Lunghezza GPU: 330mm - 400mm (varies with PSU position)
- Tipu di PSU: ATX / SFX (100mm - 220mm length)
- CPU Air Cooler Height: Finu à 168 mm
- AIO Radiator Support:
- Top: 240mm, 280mm, 360mm
- Bottom: 240mm, 360mm
- Conservazione: 1x HDD 3.5", 2x SSD 2.5"
6. Airflow and Cooling
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. Specificazioni
| Feature | Specificazione |
|---|---|
| Nome di mudellu | D31 MESH |
| Tipu di casu | Micro ATX Tower |
| Cumpatibilità di a scheda madre | Micro ATX, Mini-ITX |
| Dimensioni (LxPxH) | 440 mm x 205 mm x 363 mm (17.32 x 8.07 x 14.29 inch) |
| Materiale | Metallu |
| Culore | Neru |
| Pesu di l'articulu | 6.85 kilogrammi (15.07 liri) |
| Lunghezza di a GPU | 330mm - 400mm (dependent on PSU position) |
| Altezza di u Dissipatore di CPU | 168 mm |
| PSU Type & Length | ATX / SFX, 100mm - 220mm (adjustable) |
| Supportu di u radiatore (in cima) | 240 mm, 280 mm, 360 mm |
| Radiator Support (Bottom) | 240 mm, 360 mm |
| Drive Bays | 1x HDD 3.5", 2x SSD 2.5" |
| Porti I / O frontali | USB 3.0 x 1, USB 3.2 Gen 2 Type-C x 1, Headphone Audio x 1 |
8. Risoluzione di prublemi
Sè avete prublemi durante o dopu l'assemblea, cunsiderate i seguenti passi cumuni di risoluzione di i prublemi:
- Nisun putere: 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.
- Surriscaldamentu: 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.
- Rumore di u Fan: 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.
- L'I/O di u pannellu frontale ùn funziona micca: Verify that all front panel connectors (USB, audio, power/reset switches, LEDs) are correctly plugged into the motherboard headers.
9. Mantenimentu
Regular maintenance helps prolong the life of your PC components and ensures optimal performance.
- Pulizia di a polvere: Periodically clean dust filters (if applicable) and internal components using compressed air. Ensure the system is powered off and unplugged before cleaning.
- Gestione di Cable: Ensure cables remain neatly routed to prevent interference with airflow.
- Sicurezza di u pannellu: Periodically check that all panels and screws are securely fastened.
10. Garanzia è Support
Per infurmazioni nantu à a garanzia è l'assistenza tecnica, vi pregu di cunsultà u situ ufficiale JONSBO. websitu o cuntattate u vostru rivenditore. Conservate a vostra prova d'acquistu per e richieste di garanzia.





