1. Introduction
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. Principales caractéristiques
- Performances de refroidissement optimales : Features an ultra-fine performance mesh front panel for maximum airflow and a tempered glass side panel.
- Intérieur spacieux : Supports up to E-ATX motherboards, 280/360mm radiators in the front, and vertical GPU mounting (with optional bracket PH-VGPUKT_02).
- Contrôleur RVB numérique intégré : Includes three pre-installed D-RGB fans that can sync with compatible motherboards for customizable lighting effects.
- Options de stockage étendues : 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. Configuration et installation
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 Retrait des panneaux latéraux
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 Installation de la carte mère
- 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.
- Fixez la carte mère à l'aide des vis fournies.
3.4 Installation des composants
- Carte graphique (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.
- Refroidisseur de processeur : Installez votre refroidisseur de processeur. Le boîtier est compatible avec les refroidisseurs de processeur jusqu'à 160 mm de hauteur.
- Disques de stockage : 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.
- Bloc d'alimentation (PSU) : Install the PSU in the designated compartment. The PSU clearance is 270mm.
3.5 Gestion des câbles
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. Fonctionnement
4.1 Panneau d'E/S avant
Le panneau avant supérieur offre un accès pratique aux commandes et ports essentiels :
- Bouton d'alimentation : Appuyez pour allumer ou éteindre votre système.
- Bouton de réinitialisation : Appuyez sur cette touche pour redémarrer votre système.
- Ports USB 3.0 (x2) : Connect USB 3.0 compatible devices for high-speed data transfer.
- Prise microphone: Connectez votre microphone.
- Prise casque: Connectez vos écouteurs ou haut-parleurs.
- 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. Entretien
5.1 Nettoyage des filtres à poussière
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.
- Utilisez une brosse douce ou de l'air comprimé pour enlever la poussière accumulée.
- Reattach the panel securely.
5.2 Nettoyage général
Wipe the exterior surfaces of the chassis with a soft, damp Utilisez un chiffon. Évitez d'utiliser des produits chimiques agressifs ou des matériaux abrasifs qui pourraient endommager la finition ou le verre trempé.
6. Dépannage
- Ventilateurs non fonctionnels/RVB non allumés :
- Assurez-vous que tous les câbles d'alimentation des ventilateurs sont correctement connectés aux connecteurs de ventilateurs de la carte mère ou à un contrôleur de ventilateurs.
- 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.
- Mauvaise circulation d'air/Températures élevées :
- Clean all dust filters, especially the front mesh panel.
- Veillez à ce que les ventilateurs soient correctement orientés pour une aspiration et une extraction optimales.
- Verify that there are no obstructions to airflow inside the case, such as poorly managed cables.
- Ports d'E/S en façade non fonctionnels :
- 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. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Nom du modèle | Phanteks Eclipse P400A Digital White |
| Numéro de modèle de l'article | PH-EC400ATG_DWT01 |
| Type de cas | Tour Midi |
| Compatibilité de la carte mère | ATX, Micro-ATX, Mini-ITX, E-ATX (up to 272mm wide with optional HDD trays removed) |
| Matériel | Acier allié, verre trempé |
| Couleur | Blanc |
| Poids de l'article | 15.43 livre (environ 7 kg) |
| Dimensions du produit (L x l x H) | 18.5 x 8.3 x 18.3 pouces (environ 470 x 210 x 465 mm) |
| Hauteur libre pour le refroidisseur de processeur | 160 mm |
| Dégagement de longueur du GPU | 420 mm |
| Longueur du bloc d'alimentation | 270 mm |
| Espace de gestion des câbles | 25 mm |
| Méthode de refroidissement | Air |
| Taille du ventilateur | 120 Millimeters (pre-installed) |
| Support de radiateur avant | Up to 360mm (130x420x115mm) or 280mm (145x325mm) |
| Support de radiateur supérieur | Jusqu'à 240 mm |
| Support de radiateur arrière | 120 mm |
| Baies de lecteur internes de 3.5 pouces | 6 (2 inclus) |
| Baies de lecteur internes de 2.5 pouces | 8 (2 dedicated brackets included) |
| E/S avant | 2x USB 3.0, Mic, Headphone, Power Button, Reset Button, D-RGB Controller |
8. Garantie et assistance
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 officiel Website: www.phanteks.com





