be-quiet! Light Base 900 FX Black - Premium Full Tower E-ATX Case

The be-quiet! Light Base 900 FX Black is a premium E-ATX case engineered for high-performance gaming builds and professional computing systems. This full tower case combines panoramic tempered glass design with advanced cooling capabilities and flexible configuration options.

Panoramic Windowed Design with Massive ARGB Illumination

The fully windowed front and side panels provide a stunning 360-degree view of your components, while the massive integrated ARGB LED strip delivers impressive illumination from every angle. The case includes 2 ARGB and fan hubs with 12 connectors total, plus an integrated ARGB controller button on the I/O panel for easy lighting management.

Superior Cooling with Light Wings 140mm PWM Fans

Pre-installed with 4 Light Wings 140mm PWM fans (3x side-mounted reversed, 1x rear), this case delivers high airflow while maintaining quiet operation. The extra spacious design supports up to two 420mm radiators simultaneously, with mounting positions at top and bottom. Removable radiator brackets enable easy installation outside the case for simplified builds.

Flexible Layout Configuration

Switch between standard, inverted, or horizontal layouts in seconds thanks to intuitive handling. This versatility makes the Light Base 900 FX ideal for custom builds and unique setups. The case supports E-ATX, XL-ATX, ATX, M-ATX, and Mini-ITX motherboards, including those with backside connector designs.

Advanced Component Support

The case accommodates GPUs up to 495mm in length with an advanced VGA holder that prevents graphics card sag. CPU coolers up to 190mm tall and PSUs up to 225mm long fit comfortably. Storage options include up to 6x 2.5" drives (4 included) and 2x 3.5" drives (1 included), with 8 expansion slots available.

Modern I/O Panel

The state-of-the-art I/O panel features 1x USB 3.2 Gen. 2 Type-C port, 2x USB 3.2 Type-A ports, combined HD Audio, ARGB controller button, reset button, and power button for comprehensive connectivity.

Technical Specifications

Motherboard Support: E-ATX, XL-ATX, ATX, M-ATX, Mini-ITX

Expansion Slots: 8

Drive Bays: up to 6x 2.5" (4 included), up to 2x 3.5" (1 included)

Pre-Installed Fans: Side: 3x Light Wings Reversed 140mm PWM | Rear: 1x Light Wings 140mm PWM

Maximum Fans: Top: 3x 140/120mm | Side: 3x 140/120mm | Bottom: 3x 140/120mm | Rear: 1x 140/120mm

Optional Radiators: Top: 120/140/240/280/360/420mm | Side: 120/240/280/360mm | Bottom: 120/140/240/280/360/420mm | Rear: 120/140mm

I/O Ports: 1x USB 3.2 Gen. 2 Type C, 2x USB 3.2 Type A, HD Audio (combined), ARGB controller, Reset button, Power button

Dimensions: 532mm x 327mm x 484mm (L x W x H)

Maximum Component Dimensions: CPU cooler: up to 190mm | PSU: up to 225mm | GPU: 495mm

Weight: 15.8kg (net) / 18.2kg (gross)

• Form Factor: Full Tower
• Motherboard Support: E-ATX
• PSU Included: None
• Case Colour: Black
• LED Colour: Addressable RGB
• USB 3.0: 2
• Side Panel: Panoramic Tempered Glass