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Black full-tower ATX case with tempered glass front and side panels, ARGB LED strip, four 140mm Light Wings fans pre-installed

be quiet!

be quiet! BGW71 LIGHT BASE 900 FX Black PC case

SKU CH-60FG-AQ5N9 MPN BGW71

Full-tower ATX case with panoramic tempered-glass panels, a three-metre ARGB strip and four pre-installed 140 mm PWM fans, supporting E-ATX boards, 495 mm GPUs.

  • TypeATX Full Tower
  • ColorBlack
  • Case MaterialABS / Steel / Tempered Glass
  • Power Supply MountedRear
  • Motherboard CompatibilityATX / E-ATX / Micro ATX / Mini ITX / XL-ATX
  • Side Panel2 x Sides Tempered Glass Panel

Option Light Base 900 FX

Struck-through versions exist but are not stocked here.

Color Black

  • Panoramic view of components through full tempered-glass front and side panels
  • 172 LEDs across a three-metre ARGB strip for all-angle illumination
  • Four pre-installed Light Wings 140 mm PWM fans deliver high airflow with quiet operation
  • Tool-free conversion to inverted or horizontal layout in seconds
  • Dual 420 mm radiator support plus E-ATX motherboard clearance for extreme cooling

Panoramic ATX Full Tower

The be quiet! LIGHT BASE 900 FX Black is an ATX full-tower chassis designed for builders who want a showcase build with extensive cooling headroom. Tempered-glass panels on the front and both sides give a clear view of the interior from almost any angle. Four pre-installed Light Wings 140mm PWM fans provide high airflow with low noise right out of the box.

3.2 Gen 2 Type C front I/O

The front panel includes one USB 3.2 Gen 2 Type C port, two USB 3.2 Type A ports and a combined HD audio jack. An integrated ARGB controller button and a reset switch sit alongside the power button. This I/O selection covers modern peripherals and lets you cycle lighting modes without software.

Dual 420mm radiator capacity

The interior fits E-ATX and XL-ATX motherboards plus graphics cards up to 495mm long and CPU coolers up to 190mm tall. Radiator mounts on the side and bottom each accept up to 420mm units, allowing two thick radiators simultaneously. Drive cages hold up to two 3.5in and six 2.5in drives, while the PSU bracket takes units up to 225mm deep.

Highlights

  • Panoramic view of components through full tempered-glass front and side panels
  • 172 LEDs across a three-metre ARGB strip for all-angle illumination
  • Four pre-installed Light Wings 140 mm PWM fans deliver high airflow with quiet operation
  • Tool-free conversion to inverted or horizontal layout in seconds
  • Dual 420 mm radiator support plus E-ATX motherboard clearance for extreme cooling

Specifications

Brandbe quiet!
ModelLIGHT BASE 900 FX
Part NumberBGW71
TypeATX Full Tower
ColorBlack
Case MaterialABS / Steel / Tempered Glass
Power Supply MountedRear
Motherboard CompatibilityATX / E-ATX / Micro ATX / Mini ITX / XL-ATX
Side Panel2 x Sides Tempered Glass Panel
LEDARGB
Internal 3.5" Drive Baysup to 2x 3.5“ (1 included)
Internal 2.5" Drive Baysup to 6x 2.5“ (4 included)
Expansion Slots8
Front Ports1x USB 3.2 Gen. 2 Type C, 2x USB 3.2 Type A, HD Audio, (combined), ARGB controller, Reset button, Power button
Fan OptionsMaximum fans (mm):
Top: 3x 140 / 120
Side: 3x 140 / 120
Bottom: 3x 140 / 120
Rear: 1x 140 / 120
Preinstalled fans:
Side: 3x Light Wings Reversed 140mm PWM
Rear: 1x Light Wings 140mm PWM
Pre-installed FansRear - 1 x 140mm / Side - 3 x 140mm
Radiator OptionsBottom - Up to 120mm / Bottom - Up to 140mm / Bottom - Up to 240mm / Bottom - Up to 280mm / Bottom - Up to 360mm / Bottom - Up to 420mm / Rear - Up to 120mm / Rear - Up to 140mm / Side - Up to 120mm / Side - Up to 140mm / Side - Up to 240mm / Side - Up to 280mm / Side - Up to 360mm / Top - Up to 120mm / Top - Up to 140mm / Top - Up to 240mm / Top - Up to 280mm / Top - Up to 360mm / Top - Up to 420mm
Max GPU Length495 mm
Max CPU Cooler Height190 mm
Max PSU Length225 mm
Dimensions532 x 327 x 484mm
Weight15.8 kg
Shipping weight18.37 kg
Package size635 × 559 × 432 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will a 420 mm radiator fit in the bottom and another 420 mm radiator on the side at the same time?

Yes, the case supports two 420 mm radiators simultaneously, one at the bottom and one on the side.

Can I install an E-ATX motherboard and still have room for a large graphics card?

The case accepts E-ATX boards and clears graphics cards up to 495 mm in length.

Are the pre-installed 140 mm fans enough for airflow, or do I need to add more?

Four Light Wings 140 mm PWM fans are included — three on the side and one at the rear — providing strong airflow out of the box.

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