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

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

Advanced Cooling and ARGB Illumination

Four pre-installed Light Wings 140mm PWM fans deliver exceptional airflow while maintaining quiet operation. The case includes 3x Light Wings Reversed 140mm PWM fans on the side panel and 1x Light Wings 140mm PWM fan at the rear. A massive ARGB LED strip provides impressive illumination from every angle, controlled through the integrated I/O panel ARGB controller.

The fully windowed front and side panels create a stunning panoramic view of all internal components, showcasing your build with maximum visibility.

Exceptional Radiator Support and Flexible Layout

The extra spacious design accommodates up to two 420mm radiators simultaneously - mountable at the top and bottom positions. The case supports radiators up to 420mm in top and bottom positions, 360mm on the side, and 140mm at the rear. Quick-release brackets on the top and bottom panels enable easy installation of radiators and fans outside the case.

Switch between inverted or horizontal layouts in seconds thanks to intuitive handling mechanisms, providing complete flexibility for your build configuration.

Comprehensive Motherboard and Component Compatibility

Compatible with E-ATX, XL-ATX, ATX, M-ATX, and Mini-ITX motherboards, including support for motherboards with backside connector design. The case features 8 expansion slots and accommodates graphics cards up to 495mm in length. An advanced VGA holder prevents graphics card sag, protecting your valuable components.

Storage options include up to 6x 2.5" drive bays (4 included) and up to 2x 3.5" drive bays (1 included). CPU coolers up to 190mm height and PSUs up to 225mm length are supported.

Modern I/O and Cable Management

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. Two integrated hubs (ARGB and fan) provide 12 connectors total for comprehensive system control.

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: White
• LED Colour: Addressable RGB
• USB 3.0: 2
• Side Panel: Panoramic Tempered Glass