1. Produktüberschreitungview
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.
Hauptmerkmale:
- Abmessungen: 488mm (L) x 239mm (W) x 514mm (H) (including feet).
- Design: Three-dimensional beveled curved glass for enhanced aesthetics and hardware visibility.
- GPU-Unterstützung: Graphics cards up to 450mm in length.
- Netzteilunterstützung: ATX PS2 power supplies.
- Luftkühlung: CPU coolers up to 169mm in height.
- Liquid Cooling (AIO): Supports top-mounted 240mm, 280mm, or 360mm AIOs, and side-mounted 360mm AIOs.
- Fan Positions: Up to 10 fan positions for optimal airflow (Top: 3x120mm/2x140mm; Side: 3x120mm; Rear: 1x120mm; Power Compartment: 3x120mm).
- Laufwerksschächte: 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).
- Front I / O: 1x USB3.2 Gen2 Type-C, 2x USB3.0, 1x AUDIO + 1x MIC (2-in-1).
- Erweiterungssteckplätze: 7.



2. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Marke | Jonsbo |
| Modellname | T400 - Die wunderbare Welt der Träume |
| Gehäusetyp | Mittlerer Turm |
| Farbe | Weiß |
| Material | Metall |
| Produktabmessungen (L x B x H) | 19.21 x 9.21 x 20.43 Zoll (488 x 239 x 514 mm) |
| Artikelgewicht | 23.6 Pfund |
| Motherboard-Kompatibilität | ATX, Micro ATX, Mini ITX, BTF Motherboard |
| GPU-Länge (Max.) | ≤450 mm |
| Maximale Höhe des CPU-Kühlers | 169 mm |
| Netzteilunterstützung | ATX PS2 (≤200mm), Bottom Mount |
| AIO-Unterstützung | Top: 240mm/280mm/360mm (optional); Side: 360mm (optional) |
| Fanpositionen | Top: 3x120mm/2x140mm; Side: 3x120mm; Rear: 1x120mm; Power Compartment: 3x120mm |
| Laufwerksschächte | 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 |
| Front I / O Ports | 1x USB3.2 Gen2 Type-C, 2x USB3.0, 1x AUDIO + 1x MIC (2-in-1) |
| Erweiterungssteckplätze | 7 |
3. Einrichtung und Installation
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 Vorbereitung des Falls
- 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 Motherboard-Installation
- Align your motherboard with the standoffs in the case.
- Befestigen Sie das Motherboard mit den mitgelieferten Schrauben.
- 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 Installation des Netzteils (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.
- Befestigen Sie das Netzteil mit Schrauben.
- Verlegen Sie die benötigten Stromkabel durch die Kabeldurchführungen.

3.4 Installation der Grafikkarte (GPU)
- Das Gehäuse unterstützt GPUs mit einer Länge von bis zu 450 mm.
- Entfernen Sie die erforderlichen Erweiterungssteckplatzabdeckungen an der Rückseite des Gehäuses.
- 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 Installation des Speicherlaufwerks
- 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. Bedienungsanleitung
Once all components are installed and secured, and the side panels are reattached, your JONSBO D400 PC is ready for operation.
4.1 Einschalten
- 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 Verwendung der vorderen E/A-Anschlüsse
Das vordere I/O-Panel bietet bequemen Zugriff auf verschiedene Anschlüsse:
- USB3.2 Gen2 Type-C: Für Hochgeschwindigkeits-Datenübertragung mit kompatiblen Geräten.
- USB3.0: 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. Wartung
Regelmäßige Wartung trägt dazu bei, die optimale Leistung und Langlebigkeit Ihrer PC-Komponenten zu gewährleisten.
5.1 Reinigung von Staubfiltern
- 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 Reinigung von Außenflächen
- 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. Fehlerbehebung
If you encounter issues with your JONSBO D400 PC case or its installed components, consider the following common troubleshooting steps:
6.1 Kein Strom
- Ensure the PSU is switched on and the power cable is securely connected to both the PSU and the wall outlet.
- Überprüfen Sie, ob das Kabel des Netzschalters an der Vorderseite korrekt mit dem Motherboard verbunden ist.
6.2 Überhitzungsprobleme
- 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 Probleme mit der Bauteilpassung
- 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 Front-I/O funktioniert nicht
- 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. Garantie und Support
7.1 Rückgaberecht
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 Technischer Support
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. Videodemonstrationen
JONSBO D400 ATX PC Case Overview
Dieses Video bietet einen umfassenden Überblickview 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.





