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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.

  • Max graphics card length495 mm
  • Housing materialABS / Steel / Tempered Glass
  • Power supply mountingRear
  • Supported motherboard sizesATX / E-ATX / Micro ATX / Mini ITX / XL-ATX
  • Side panel type2 x Sides Tempered Glass Panel
  • LED lightingARGB

Model Light Base 900 FX

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.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $194.99
Pricier than about 78% of the 1,468 comparable items (median $100.99).
Max graphics card length 495 mm
Higher than about 95% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand namebe quiet!
Model nameLIGHT BASE 900 FX
Part numberBGW71
Product typeATX Full Tower
Product colorBlack
Storage
3.5-inch internal baysup to 2x 3.5“ (1 included)
2.5-inch internal baysup to 6x 2.5“ (4 included)
Ports & slots
Expansion card slots8
Front panel ports1x USB 3.2 Gen. 2 Type C, 2x USB 3.2 Type A, HD Audio, (combined), ARGB controller, Reset button, Power button
Size & build
Max graphics card length495 mm
Housing materialABS / Steel / Tempered Glass
Power supply mountingRear
Side panel type2 x Sides Tempered Glass Panel
Fan mounting 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 140 mm PWM
Rear: 1x Light Wings 140 mm PWM
Product dimensions532 × 327 × 484 mm
Product weight15.8 kg
Shipping weight18.37 kg
Package size635 × 559 × 432 mm
Compatibility
Supported motherboard sizesATX / E-ATX / Micro ATX / Mini ITX / XL-ATX
Radiator supportBottom - Up to 120 mm / Bottom - Up to 140 mm / Bottom - Up to 240 mm / Bottom - Up to 280 mm / Bottom - Up to 360 mm / Bottom - Up to 420 mm / Rear - Up to 120 mm / Rear - Up to 140 mm / Side - Up to 120 mm / Side - Up to 140 mm / Side - Up to 240 mm / Side - Up to 280 mm / Side - Up to 360 mm / Top - Up to 120 mm / Top - Up to 140 mm / Top - Up to 240 mm / Top - Up to 280 mm / Top - Up to 360 mm / Top - Up to 420 mm
CPU cooler height limit190 mm
PSU length limit225 mm
More details
LED lightingARGB
Included fansRear - 1 × 140 mm / Side - 3 × 140 mm

Other versions of this model

1 more in the same range

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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