1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your XPG CORE Reactor II VE 850W Power Supply Unit (PSU). Please read this manual thoroughly before installation and retain it for future reference. The XPG CORE Reactor II VE is an 80 Plus Gold certified power supply designed for stable and efficient power delivery to your computer system.

Image 1.1: XPG CORE Reactor II VE 850W Power Supply Unit, showcasing son design compact.
2. Principales caractéristiques
- 80 Plus Gold Certification: Garantit un rendement énergétique élevé, réduisant ainsi le gaspillage d'énergie et les coûts d'exploitation.
- 12V-2x6 Connector: Provides direct and efficient power delivery to critical components, enhancing system stability and performance.
- DC-DC Circuit Design: Maximizes efficiency and reliability by converting power directly to the required output voltage, reducing heat and prolonging hardware lifespan.
- Low Ripple Noise Design: Features ripple levels below 60mV at +12V and below 40mV at +5V and +3.3V, ensuring stable power delivery and minimizing electrical interference.
- >15ms Hold Up Time: Exceeds Intel's standards for uninterrupted power delivery, ensuring reliable operation under challenging conditions.
- 8 Industrial Protections: Comprehensive protection suite including Over-Voltage Protection (OVP), Under-Voltage Protection (UVP), Over-Current Protection (OCP), Short-Circuit Protection (SCP), Over-Power Protection (OPP), Over-Temperature Protection (OTP), Surge & Inrush Protection (SIP), and No Load Operation (NLO).
- Compact 140 mm Longueur : Maximizes space efficiency for easy integration into various PC setups and chassis.

Image 2.1: Close-up of the 12V-2x6 connector for modern GPUs.

Image 2.2: Visual representation of the 8 industrial-grade protections.
3. Configuration et installation
Before installing the XPG CORE Reactor II VE PSU, ensure your computer system is powered off and disconnected from the main power outlet. Refer to your PC case and motherboard manuals for specific installation instructions.
3.1 Déballage
Carefully remove the PSU and all included cables from the packaging. Verify that all components listed in the product documentation are present.

Image 3.1: XPG CORE Reactor II VE PSU with its modular cables.
3.2 Mounting the PSU
- Position the PSU in the designated PSU bay of your PC case.
- Alignez les trous de vis du bloc d'alimentation avec ceux du boîtier.
- Fixez le bloc d'alimentation à l'aide des vis fournies.
3.3 Câbles de connexion
The XPG CORE Reactor II VE is a fully modular PSU, allowing you to connect only the cables you need. This helps improve airflow and cable management within your PC case.

Image 3.2: Modular cable connection ports on the XPG CORE Reactor II VE PSU.
- Connectez le câble ATX 24 broches à votre carte mère.
- Connect the 8-pin (4+4) EPS/CPU cable(s) to your motherboard.
- Connect the 6+2 pin PCIe cables to your graphics card(s). The 12V-2x6 connector is specifically designed for modern high-power GPUs.
- Connect SATA power cables to your storage drives (HDDs/SSDs) and other SATA-powered devices.
- Connectez les câbles Molex à tous les périphériques qui en ont besoin.
- Assurez-vous que toutes les connexions sont sécurisées et correctement installées.
4. Mode d'emploi
Once the PSU is installed and all components are connected, you can power on your system.
- Ensure the power switch on the back of the PSU is in the "OFF" (0) position.
- Connect the AC power cord to the PSU and then to a wall outlet or surge protector.
- Flip the power switch on the PSU to the "ON" (I) position.
- Appuyez sur le bouton d'alimentation de votre ordinateur pour démarrer le système.
The XPG CORE Reactor II VE is designed for continuous, stable operation. Its FDB 120mm fan provides efficient cooling while maintaining low noise levels.
5. Entretien
Proper maintenance ensures the longevity and optimal performance of your PSU.
- Élimination de la poussière : Periodically clean the PSU fan and ventilation grilles to prevent dust buildup, which can impede airflow and lead to overheating. Use compressed air for this purpose, ensuring the system is powered off and unplugged.
- Gestion des câbles: Veillez à ce que les câbles soient bien rangés et n'obstruent pas la circulation de l'air à l'intérieur du boîtier PC.
- Conditions environnementales : Operate the PSU in a well-ventilated area, away from direct sunlight, excessive heat, and moisture.
6. Dépannage
If you encounter issues with your XPG CORE Reactor II VE PSU, refer to the following common troubleshooting steps:
- Pas d'alimentation :
- Vérifiez que le cordon d'alimentation secteur est bien connecté à la fois au bloc d'alimentation et à la prise murale.
- Ensure the PSU's power switch is in the "ON" (I) position.
- Verify that the 24-pin ATX and 8-pin EPS/CPU cables are correctly seated in the motherboard.
- Testez la prise murale avec un autre appareil pour confirmer qu'elle est alimentée.
- Instabilité/Pannes du système :
- Ensure all power connectors to components (motherboard, CPU, GPU, drives) are firmly connected.
- Vérifiez l'absence de câbles desserrés ou de courts-circuits à l'intérieur du boîtier.
- If possible, test the PSU with a different set of components or in another system to isolate the issue.
- Bruit excessif :
- Check if the PSU fan is obstructed by dust or cables.
- Ensure the PSU is securely mounted to prevent vibrations.
- Si le bruit persiste et est inhabituel, contactez le service client.
If troubleshooting steps do not resolve the issue, contact XPG customer support for further assistance.
7. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Nom du modèle | COREREACTORIIVE850G-BKCUS |
| Marque | XPG |
| Puissance de sortietage | 850 watts |
| Facteur de forme | ATX |
| Méthode de refroidissement | Air |
| Dimensions de l'article (L x l x H) | 5.51 x 5.9 x 3.38 pouces |
| Poids de l'article | 5 livres |
| Conception de l'alimentation | Entièrement modulaire |
| Nombre de fans | 1 |
| Vol d'entrée maximaltage | 240 Volts (CA) |
| Vol d'entrée minimumtage | 216 Volts (CA) |
| Code UPC | 842243032468 |
8. Garantie et assistance
The XPG CORE Reactor II VE 850W PSU comes with a Garantie constructeur de 7 ans. For warranty claims or technical support, please visit the official XPG website ou contactez leur service client.
Pour obtenir des ressources supplémentaires et des informations sur les produits, vous pouvez consulter le site web suivant : XPG Store on Amazon.
9. Vidéos produits
Below are relevant product videos for the XPG CORE Reactor II VE Power Supply Unit. These videos provide additional visual information regarding the product's features and installation.
XPG Core Reactor Power Supply Review
Vidéo 9.1 : Un aperçu détailléview of the XPG Core Reactor Power Supply, covering its features, design, and performance. This video is provided by Consumer Tech Review.
Core Reactor Review
Vidéo 9.2 : Un overview of the Core Reactor PSU, highlighting its integration into a PC build and general performance. This video is provided by Brayden Abear.





