1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your be quiet! Pure Power 12 1000W Power Supply. This power supply unit (PSU) is designed to deliver stable and efficient power to your computer system, featuring 80 Plus Gold efficiency, ATX 3.1 compliance, and support for PCIe 5.1 GPUs.
Please read this manual thoroughly before installing and operating the power supply to ensure safe and correct usage.

Image 1.1: The be quiet! Pure Power 12 1000W Power Supply, showcasing its sleek black design and fan grill.
2. Consignes de sécurité
Always observe the following safety instructions to prevent injury or damage to the product and connected components:
- N'ouvrez pas le bloc d'alimentation. Haute tensiontages are present inside, which can cause electric shock. The warranty will be void if the unit is opened.
- Seul un personnel qualifié doit effectuer les réparations.
- Ensure the power supply is disconnected from the mains power before installation or maintenance.
- Do not operate the power supply in high humidity or wet conditions.
- Assurez une ventilation adéquate autour du bloc d’alimentation pour éviter toute surchauffe.
3. Contenu du colis
Vérifiez que tous les éléments sont présents dans le colis :
- be quiet! Pure Power 12 1000W Power Supply Unit
- Câble d'alimentation principal
- Modular cable set (including ATX 3.1 12V-2x6 connector)
- Vis de montage
- Colliers de serrage
- Manuel d'utilisation

Image 3.1: The be quiet! Pure Power 12 1000W Power Supply shown with its accompanying cables, including the main power cable and various modular connectors.
4. Installation et configuration
Suivez ces étapes pour installer votre bloc d'alimentation :
- Préparez votre système : Assurez-vous que votre ordinateur est éteint et débranché de la prise murale.
- Remove old PSU (if applicable): Disconnect all cables from your old power supply and remove it from the PC case.
- Mount the new PSU: Place the be quiet! Pure Power 12 1000W into the designated PSU bay in your PC case. Secure it with the provided mounting screws.
- Connect essential cables:
- Connect the 24-pin ATX motherboard power cable.
- Connect the 8-pin (4+4) CPU power cable to your motherboard.
- For modern graphics cards, connect the ATX 3.1 PCIe 5.1 12V-2x6 connector. This connector supports up to 600W for compatible GPUs.
- Connect other necessary cables for your components (SATA for storage drives, PCIe for additional graphics cards or expansion cards).
- Gestion des câbles: Route cables neatly to improve airflow and aesthetics. Use the provided cable ties.
- Vérification finale : Vérifiez toutes les connexions pour vous assurer qu'elles sont sécurisées.

Image 4.1 : Gros plan view of the ATX 3.1 PCIe 5.1 12V-2x6 connector, designed for high-power graphics cards.

Image 4.2 : Un example of the power supply unit installed within a computer case, demonstrating cable routing.
5. Fonctionnement
After successful installation, connect the main power cable to the PSU and a wall outlet. Flip the power switch on the back of the PSU to the 'ON' position. You can then power on your computer system as usual.
The be quiet! Pure Power 12 features a silence-optimized 120mm fan, ensuring quiet operation even under load. The fan speed is automatically regulated based on the power supply's temperature to maintain optimal cooling and low noise levels.

Image 5.1 : A view of the silence-optimized 120mm fan integrated into the power supply, designed for efficient and quiet cooling.
Vidéo 5.1 : Une présentation vidéo officielleasing the be quiet! Pure Power 12 series, highlighting its features and design.
6. Entretien
Pour garantir la longévité et les performances optimales de votre alimentation, un entretien périodique est recommandé :
- Nettoyage: Regularly clean the exterior of the power supply and the fan grill using a soft, dry cloth. For dust accumulation inside the unit, use compressed air, ensuring the fan blades are held stationary to prevent damage.
- Ventilation: Ensure that the air intake and exhaust vents of the power supply are not obstructed.
- Composants internes : Do not attempt to clean or service internal components. Refer to Section 2 for safety warnings regarding opening the unit.
7. Dépannage
Si vous rencontrez des problèmes avec votre alimentation électrique, suivez les étapes de dépannage suivantes :
- Pas d'alimentation :
- Check if the main power cable is securely connected to both the PSU and the wall outlet.
- Assurez-vous que l'interrupteur d'alimentation situé à l'arrière du bloc d'alimentation est en position « ON ».
- Vérifiez que la prise murale est fonctionnelle en y branchant un autre appareil.
- Confirm all internal power cables (24-pin ATX, CPU, GPU) are correctly seated.
- Instabilité/Pannes du système :
- Assurez-vous que les besoins en énergie de votre système ne dépassent pas la capacité de 1000 W du bloc d'alimentation.
- Vérifiez les connexions de câble desserrées.
- Surveillez les températures du système afin d'exclure toute surchauffe d'autres composants.
- Bruit inhabituel :
- Ensure no cables are obstructing the PSU fan.
- If the noise persists and is not related to fan operation, contact customer support.
If these steps do not resolve the issue, please contact be quiet! customer support for further assistance.
8. Spécifications
Key technical specifications for the be quiet! Pure Power 12 1000W Power Supply:
| Fonctionnalité | Spécification |
|---|---|
| Marque | Soyez silencieux! |
| Numéro de modèle | BP005US |
| Puissance de sortietage | 1000 watts |
| Facteur de forme | ATX |
| Type de connecteur | ATX |
| Appareils compatibles | Computer System, Motherboard, Graphics Card |
| Méthode de refroidissement | Ventilateur (120 mm) |
| Dimensions du produit (L x l x H) | 6.3 x 5.91 x 3.39 pouces |
| Poids de l'article | 7.39 livres (3.36 kilogramme) |
| Nombre de connecteurs | 4 (refer to cable set for specific types) |
| Date de première disponibilité | 30 octobre 2024 |

Image 8.1: The product label detailing electrical specifications and compliance information for the Pure Power 12 series.
9. Garantie et assistance
Your be quiet! Pure Power 12 1000W Power Supply is covered by a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official be quiet! webConsultez le site pour connaître les conditions générales de garantie détaillées.
For technical support, product inquiries, or warranty claims, please visit the official be quiet! support page or contact their customer service department. Contact information can typically be found on the be quiet! website ou dans l'emballage du produit.





