Product information
🛍️ Product Name
be quiet! Dark Base 900 Full Tower Case – BG011, Solid Side Panel, Modular Interior, Silent Wings 3 Fans, Water Cooling Ready, Black
📦 Product Overview
The be quiet! Dark Base 900 is a premium full tower chassis engineered for silence, flexibility, and high-performance cooling. Featuring a solid steel side panel, modular motherboard tray, and repositionable drive cages, it supports custom layouts and advanced water cooling setups. Three pre-installed Silent Wings 3 fans ensure ultra-quiet airflow, while sound-dampening materials and airflow-optimized vents minimize acoustic leakage. Ideal for enthusiasts, modders, and workstation builders seeking elegant design and whisper-quiet operation.
🌟 Top Highlights
🧩 Modular Interior – Repositionable motherboard tray and HDD cages
🔇 Silent Wings 3 Fans – 3x 140mm PWM fans with fluid-dynamic bearings
🖤 Solid Side Panel – Noise-insulated steel for quiet operation
💧 Water Cooling Support – Radiators up to 420mm (top/front/base/rear)
🌀 Fan Hub – Manual stepless controller for up to 3x 3-pin fans
🛠️ Tool-Free Installation – Easy access and cable management
📐 Technical Details
| Specification | Details |
|---|---|
| Model Number | BG011 |
| Form Factor | Full Tower |
| Dimensions | 577 x 243 x 585 mm |
| Material | Steel, ABS, aluminum |
| Motherboard Support | E-ATX, ATX, M-ATX, Mini-ITX |
| Drive Bays | 7x 3.5", 15x 2.5" (modular) |
| Expansion Slots | 8 |
| Pre-installed Fans | 3x Silent Wings 3 140mm PWM |
| Fan Support | Up to 9 fans total |
| Radiator Support | Up to 420mm (top/front/base/rear) |
| I/O Ports | 2x USB 3.0, 2x USB 2.0, HD Audio, Fan Controller |
| PSU Support | ATX (bottom-mounted) |
| Max GPU Length | 323mm (with cage), 472mm (without) |
| Max CPU Cooler Height | 185mm |
| Weight | ~14.5 kg |
| Warranty | 3 Years Limited |
💡 Why You Should Buy It
✅ Ultra-quiet airflow with Silent Wings 3 fans
✅ Modular layout for custom builds
✅ Water cooling support up to 420mm
✅ Noise-dampening panels and solid steel side
🎯 Recommended Use Cases
➤ Silent workstation builds
➤ Custom water-cooled rigs
➤ High-performance gaming setups
➤ Modding and enthusiast builds
🤝 Customer Assurance
🛡️ Warranty / Guarantee: 3-year limited warranty from be quiet!
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by reliable logistics partners with tracking support
📞 Customer Support: Assistance available via official be quiet! support channels
👉 Call to Action
Build in silence with be quiet! Dark Base 900 — modular, elegant, and engineered for airflow.
Thanks for choosing – YOUR TRUSTED IT PARTNER.
