be quiet! DARK BASE 900 Black - Modular Construction

Overview

The be quiet! DARK BASE 900 Black is a premium full-tower PC case designed for maximum modularity, silent operation, and high-end cooling solutions. Its modular construction allows users to fully customize the internal layout, optimizing airflow, component placement, and cooling configurations. Built with high-quality sound-dampening materials, this case ensures near-silent operation, making it ideal for gaming, workstation, and high-performance PC builds.

How to Use / Install

1. Unbox the be quiet! DARK BASE 900 Black and check for all included accessories.
2. Remove the side panels for easy access to the case interior.
3. Adjust the modular interior layout to fit your preferred cooling and component setup.
4. Install the motherboard (supports E-ATX, ATX, microATX, and Mini-ITX).
5. Mount the PSU in the designated compartment.
6. Attach storage drives (HDDs/SSDs) using the flexible drive bay system.
7. Install cooling solutions such as fans, AIOs, or custom liquid cooling radiators.
8. Organize cables neatly with the built-in cable management system.
9. Reattach the panels, power on your system, and enjoy silent, high-performance operation.

Services / License / Plans Available

The be quiet! DARK BASE 900 Black is a hardware product and does not require a license or subscription. Manufacturer support is available for technical assistance, warranty claims, and assembly guidance.

Main Difference Between Service/License/Plan Available

• Standard Manufacturer Warranty: Covers manufacturing defects and hardware failures.
• Retailer-Specific Extended Warranties: Some sellers may offer additional protection plans.

10 Key Features of be quiet! DARK BASE 900 Black

1. Modular Interior Layout – Fully adjustable for customized cooling and hardware placement.
2. Multi-Motherboard Compatibility – Supports E-ATX, ATX, microATX, and Mini-ITX.
3. Silent Operation – Sound-dampening materials reduce noise levels significantly.
4. Optimized Cooling Support – Fits up to 420mm radiators and multiple fan configurations.
5. Dual PSU Compatibility – Allows for dual power supply setups for extreme builds.
6. Tool-Free Drive Installation – Flexible mounting options for HDDs and SSDs.
7. Cable Management System – Hidden routing channels for a neat and organized build.
8. Durable Construction – High-quality materials ensure long-lasting performance.
9. Airflow Optimization – Mesh panels and customizable fan mounting improve cooling efficiency.
10. German Engineering & Quality – Designed for premium performance, stability, and longevity.

Competitor / Similar Products

1. Corsair 5000D Airflow – A mid-to-full-tower case with excellent airflow and modular design.
2. Fractal Design Define 7 – A high-end silent case with modular storage and cooling options.

The be quiet! DARK BASE 900 Black is an exceptional full-tower case for enthusiasts and professionals who demand modular flexibility, silent operation, and superior cooling support. Competing with cases like the Corsair 5000D Airflow and Fractal Design Define 7, it stands out with German-engineered quality and unmatched customization options.