1. Introdución
This manual provides detailed instructions for the Phanteks Eclipse P400A Digital ATX Mid-tower chassis. It covers essential information regarding the product's features, setup, operation, and maintenance to ensure optimal performance and longevity. The Eclipse P400A is designed for high airflow and features a full metal mesh front panel, tempered glass side panel, and integrated Digital-RGB lighting.
2. Características clave
- Optimal Cooling Performance: Features an ultra-fine performance mesh front panel for maximum airflow and a tempered glass side panel.
- Interior amplo: Supports up to E-ATX motherboards, 280/360mm radiators in the front, and vertical GPU mounting (with optional bracket PH-VGPUKT_02).
- Integrated Digital-RGB Controller: Includes three pre-installed D-RGB fans that can sync with compatible motherboards for customizable lighting effects.
- Extensive Storage Options: Provides six HDD positions (two trays included) and eight SSD mounting locations (two dedicated brackets included).
- Easy Accessibility I/O: Front panel includes 2x USB 3.0 ports, microphone and headphone jacks, power button, reset button, and D-RGB controller.
3. Configuración e instalación
Before beginning installation, ensure all components are accounted for and refer to your motherboard and component manuals for specific installation procedures. Always handle components with care and use anti-static precautions.
3.1 Unpacking the Chassis
Carefully remove the chassis from its packaging. Inspect for any damage during transit. Retain the packaging for future transport or storage.

Figure 3.1: Phanteks Eclipse P400A Digital ATX Mid-tower (White)
3.2 Removing Side Panels
The tempered glass side panel is secured with thumbscrews. Carefully unscrew these and gently remove the panel. The opposite side panel can also be removed for cable management access.
3.3 Instalación da placa base
- Install the I/O shield into the rear opening of the chassis.
- Align your ATX, micro-ATX, or mini-ITX motherboard with the pre-installed standoffs. For E-ATX motherboards up to 272mm wide, ensure optional HDD trays are not in use.
- Fixe a placa base cos parafusos proporcionados.
3.4 Instalación de compoñentes
- Tarxeta gráfica (GPU): Install your graphics card into the appropriate PCIe slot on the motherboard. The case supports GPUs up to 420mm in length. Vertical GPU mounting is supported with the optional PH-VGPUKT_02 bracket.
- Enfriador de CPU: Install your CPU cooler. The case accommodates CPU coolers up to 160mm in height.
- Unidades de almacenamento: Utilize the dedicated SSD brackets and HDD trays for 2.5-inch and 3.5-inch drives respectively. The case offers extensive storage options with 6x HDD and 8x SSD mounting locations.
- Unidade de alimentación (PSU): Install the PSU in the designated compartment. The PSU clearance is 270mm.
3.5 Xestión de cables
The chassis provides 25mm of space for cable management behind the motherboard tray. Utilize the included velcro ties and routing channels to organize cables for improved airflow and aesthetics.
Video 3.5.1: An official Phanteks video showcasing the Eclipse P400A chassis, highlighting its design, airflow, and RGB lighting features. This video provides a visual overview of the case's capabilities and aesthetic appeal.
4. Funcionamento
4.1 Panel frontal de E/S
The top front panel provides convenient access to essential controls and ports:
- Botón de encendido: Press to power on or off your system.
- Botón de reinicio: Press to restart your system.
- Portos USB 3.0 (x2): Connect USB 3.0 compatible devices for high-speed data transfer.
- Conector de micrófono: Conecta o teu micrófono.
- Jack para auriculares: Conecta os teus auriculares ou altofalantes.
- D-RGB Controller Buttons: Used to cycle through various Digital-RGB lighting modes and colors for the pre-installed fans and compatible D-RGB products.

Figure 4.1: Front I/O Panel Overview
4.2 Digital-RGB Lighting Control
The integrated D-RGB controller allows for direct control of the lighting effects. Alternatively, if your motherboard supports Digital-RGB synchronization, you can connect the case's D-RGB cables to your motherboard's header and control lighting via motherboard software.
5. Mantemento
5.1 Limpeza dos filtros de po
To maintain optimal airflow and cooling performance, regularly clean the dust filters. The front mesh panel is designed for easy removal and cleaning. Other filters, such as those for the top and bottom fan mounts, should also be checked and cleaned periodically.
- Gently pull the front mesh panel to detach it.
- Use a soft brush or compressed air to remove accumulated dust.
- Reattach the panel securely.
5.2 Limpeza xeral
Wipe the exterior surfaces of the chassis with a soft, damp pano. Evite o uso de produtos químicos agresivos ou materiais abrasivos que poidan danar o acabado ou o vidro temperado.
6 Solución de problemas
- Fans Not Spinning/RGB Not Lighting Up:
- Asegúrate de que todos os cables de alimentación do ventilador estean conectados correctamente aos conectores dos ventiladores da placa base ou a un controlador de ventiladores.
- Verify that the D-RGB cables are correctly connected to the integrated controller or the motherboard's D-RGB header.
- Check your motherboard's BIOS/UEFI settings or RGB software for fan speed and lighting control.
- Fluxo de aire deficiente/Temperaturas elevadas:
- Clean all dust filters, especially the front mesh panel.
- Asegúrate de que os ventiladores estean orientados correctamente para unha admisión e escape óptimas.
- Verify that there are no obstructions to airflow inside the case, such as poorly managed cables.
- Portos de E/S frontais non funcionan:
- Check that all front panel connectors (USB, audio, power, reset) are correctly plugged into the corresponding headers on your motherboard.
Video 6.1: A user-generated video demonstrating the Phanteks Eclipse P400A Digital ATX Mid-tower, focusing on its internal components, RGB lighting, and overall build. This video provides a practical look at the case in use.
7. Especificacións
| Característica | Detalle |
|---|---|
| Nome do modelo | Phanteks Eclipse P400A Digital White |
| Número de modelo do artigo | PH-EC400ATG_DWT01 |
| Tipo de caso | Torre Midi |
| Compatibilidade da placa base | ATX, Micro-ATX, Mini-ITX, E-ATX (up to 272mm wide with optional HDD trays removed) |
| Material | Aceiro de aliaxe, vidro temperado |
| Cor | Branco |
| Peso do elemento | 15.43 libras (aprox. 7 kg) |
| Dimensións do produto (LxWxH) | 18.5 x 8.3 x 18.3 polgadas (aprox. 470 x 210 x 465 mm) |
| Altura libre do refrigerador da CPU | 160 mm |
| Lonxitude da GPU | 420 mm |
| Lonxitude da fonte de alimentación | 270 mm |
| Espazo de xestión de cables | 25 mm |
| Método de arrefriamento | Aire |
| Tamaño do ventilador | 120 Millimeters (pre-installed) |
| Soporte radiador frontal | Up to 360mm (130x420x115mm) or 280mm (145x325mm) |
| Soporte de radiador superior | Ata 240 mm |
| Soporte radiador traseiro | 120 mm |
| Compartimentos de unidades internas de 3.5" | 6 (2 incluídos) |
| Compartimentos de unidades internas de 2.5" | 8 (2 dedicated brackets included) |
| E/S frontal | 2x USB 3.0, Mic, Headphone, Power Button, Reset Button, D-RGB Controller |
8. Garantía e soporte
Specific warranty details are not provided in this document. For warranty information, technical support, or further assistance, please visit the official Phanteks website or contact their customer service directly. Ensure you have your product model number (PH-EC400ATG_DWT01) and proof of purchase available when seeking support.
Phanteks oficiais Websitio: www.phanteks.com





