1. Produto acabadoview
The JONSBO D400 is a white ATX Mid-Tower PC case featuring a three-dimensional beveled curved glass design, allowing for clear visibility of internal hardware. It supports BTF motherboards, ATX power supplies, and dual 360mm AIO liquid coolers, offering extensive cooling and component compatibility.
Principais características:
- Dimensões: 488mm (L) x 239mm (W) x 514mm (H) (including feet).
- Projeto: Three-dimensional beveled curved glass for enhanced aesthetics and hardware visibility.
- Suporte GPU: Graphics cards up to 450mm in length.
- Suporte para fonte de alimentação: ATX PS2 power supplies.
- Refrigeração a ar: CPU coolers up to 169mm in height.
- Resfriamento líquido (AIO): Supports top-mounted 240mm, 280mm, or 360mm AIOs, and side-mounted 360mm AIOs.
- Posições dos torcedores: Up to 10 fan positions for optimal airflow (Top: 3x120mm/2x140mm; Side: 3x120mm; Rear: 1x120mm; Power Compartment: 3x120mm).
- Baias de unidade: Flexible storage options including 2x 2.5" SSDs, or 1x 3.5" HDD + 1x 2.5" SSD (back side), and 1x 2.5" SSD or 1x 3.5" HDD (PSU compartment).
- E / S frontal: 1x USB3.2 Gen2 Type-C, 2x USB3.0, 1x AUDIO + 1x MIC (2-in-1).
- Slots de expansão: 7.



2. Especificações
| Recurso | Detalhe |
|---|---|
| Marca | Jonsbo |
| Nome do modelo | D400 |
| Tipo de caso | Torre Média |
| Cor | Branco |
| Material | Metal |
| Dimensões do produto (CxLxA) | 19.21 x 9.21 x 20.43 polegadas (488x239x514mm) |
| Peso do item | 23.6 libras |
| Compatibilidade da placa-mãe | ATX, Micro ATX, Mini ITX, BTF Motherboard |
| Comprimento máximo da GPU | ≤450mm |
| Altura máxima do cooler da CPU | 169 mm |
| Suporte PSU | ATX PS2 (≤200mm), Bottom Mount |
| AIO Support | Top: 240mm/280mm/360mm (optional); Side: 360mm (optional) |
| Fan Positions | Top: 3x120mm/2x140mm; Side: 3x120mm; Rear: 1x120mm; Power Compartment: 3x120mm |
| Baías de Unidade | Back Side: 2x 2.5" SSD or 1x 3.5" HDD + 1x 2.5" SSD; PSU Compartment: 1x 2.5" SSD or 1x 3.5" HDD |
| Portas de E / S frontais | 1x USB3.2 Gen2 Type-C, 2x USB3.0, 1x AUDIO + 1x MIC (2-in-1) |
| Slots de expansão | 7 |
3. Configuração e instalação
This section provides general guidelines for installing components into your JONSBO D400 PC case. Always refer to the specific manuals for your individual components (motherboard, GPU, PSU, etc.) for detailed instructions.
3.1 Preparando o Caso
- Carefully remove the side glass panels. The beveled curved glass design allows for easy access.
- Identify the motherboard standoffs. Ensure they match your motherboard's form factor (ATX, Micro ATX, Mini ITX, or BTF).

3.2 Instalação da placa-mãe
- Align your motherboard with the standoffs in the case.
- Fixe a placa-mãe utilizando os parafusos fornecidos.
- Connect the front I/O cables (USB 3.0, USB Type-C, Audio, Power/Reset switches, LED indicators) to the appropriate headers on your motherboard.

3.3 Instalação da Unidade de Fonte de Alimentação (PSU)
- The JONSBO D400 supports ATX PS2 power supplies and features a bottom-mount design.
- Install the PSU into its designated compartment at the bottom rear of the case.
- Fixe a fonte de alimentação com parafusos.
- Passe os cabos de alimentação necessários pelos recortes para gerenciamento de cabos.

3.4 Instalação da placa gráfica (GPU)
- O gabinete suporta GPUs com até 450 mm de comprimento.
- Remova as tampas dos slots de expansão necessárias na parte traseira do gabinete.
- Insert your GPU into the primary PCIe slot on your motherboard and secure it with screws.
- Connect the required PCIe power cables from your PSU to the GPU.

3.5 Cooling System Installation (Fans & AIO)
- The D400 offers 10 fan positions: Top (3x120mm/2x140mm), Side (3x120mm), Rear (1x120mm), and Power Compartment (3x120mm).
- For AIO liquid coolers, the case supports up to 360mm radiators on the top and side.
- Install fans or radiators into your desired positions, ensuring proper airflow direction (intake/exhaust).
- Connect fan and AIO pump cables to your motherboard headers or a fan controller.

3.6 Instalação da unidade de armazenamento
- The case provides mounting options for 2.5" SSDs and 3.5" HDDs.
- Install your drives into the designated drive bays (back side of motherboard tray or PSU compartment).
- Secure the drives with screws and connect SATA data and power cables.

4. Instruções de operação
Once all components are installed and secured, and the side panels are reattached, your JONSBO D400 PC is ready for operation.
4.1 Ligando
- Ensure all external cables (power, monitor, peripherals) are securely connected.
- Flip the power switch on your PSU to the 'On' position.
- Press the power button on the front I/O panel of your case to start your system.
4.2 Utilizando as portas de E/S frontais
O painel de E/S frontal oferece acesso conveniente a várias portas:
- USB3.2 Gen2 Type-C: Para transferência de dados em alta velocidade com dispositivos compatíveis.
- USB 3.0: For connecting USB devices such as external drives, keyboards, and mice.
- AUDIO (2-in-1): For connecting headphones or headsets with a combined audio/microphone jack.
5. Manutenção
A manutenção regular ajuda a garantir o desempenho ideal e a longevidade dos componentes do seu PC.
5.1 Limpeza dos filtros de pó
- The JONSBO D400 features a removable bottom dust filter.
- Periodically remove and clean the dust filter to prevent dust buildup and maintain good airflow.
- Use compressed air or a soft brush to remove dust.
5.2 Limpeza de superfícies externas
- Wipe the exterior surfaces, including the glass panels, with a soft, lint-free cloth.
- For stubborn smudges on glass, use a mild glass cleaner applied to the cloth (not directly to the glass).
6. Solução De Problemas
If you encounter issues with your JONSBO D400 PC case or its installed components, consider the following common troubleshooting steps:
6.1 Sem energia
- Ensure the PSU is switched on and the power cable is securely connected to both the PSU and the wall outlet.
- Verifique se o cabo do botão liga/desliga do painel frontal está conectado corretamente à placa-mãe.
6.2 Problemas de sobreaquecimento
- Check that all installed fans are spinning and oriented correctly for optimal airflow (e.g., front/side intake, rear/top exhaust).
- Ensure CPU cooler and AIO radiators are properly seated and fans are functioning.
- Clean any dust filters and internal components to improve heat dissipation.
6.3 Problemas de encaixe de componentes
- If a component does not fit, double-check its dimensions against the case specifications (GPU length ≤450mm, CPU cooler height ≤169mm, PSU length ≤200mm).
- Ensure proper alignment and removal of any necessary modular parts of the case during installation.
6.4 E/S frontal não funciona
- Verify that all front I/O cables (USB, Audio) are correctly connected to their respective headers on the motherboard.
- Check your motherboard's manual for correct pin assignments.
7. Garantia e Suporte
7.1 Política de Devolução
This product is subject to a 30-day return/replacement policy from the date of purchase. Please refer to your retailer's specific return terms and conditions.
7.2 Suporte Técnico
For technical assistance or further inquiries, please visit the official JONSBO website or contact their customer support. Keep your proof of purchase handy when seeking support.
8. Demonstrações em vídeo
JONSBO D400 ATX PC Case Overview
Este vídeo fornece uma visão abrangenteview of the JONSBO D400 ATX PC case, showcasing its design, features, and internal layout. It highlights the aesthetic appeal and functional aspects of the case.





