How many preinstalled fans are included with the Light Base 500 LX White case?

The Light Base 500 LX White case comes with 4 preinstalled Light Wings LX 120mm PWM fans.

What materials are used in the construction of the Be Quiet Light Base 500 LX White case?

The Be Quiet Light Base 500 LX White case is made from ABS, steel, and tempered glass.

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Be Quiet Light Base 500 LX White Light Base 500 LX White White ABS / Steel / Tempered Glass ATX / M-ATX / Mini-ATX case

Core performance and aesthetics
Light Base 500 LX White stands for a clean design and the core values of gaming: performance, accessibility and functionality.
Angled slide-out fan frame on the side routes air directly to the GPU.
Fans can be installed in the lowered fan bay to line up perfectly with the case floor.
4 preinstalled Light Wings LX 120mm PWM fans for extraordinary airflow and impressive illumination.
ARGB controller button and ARGB fan hub.
Spacious design for radiators up to 360mm, and ATX motherboards.
2 possible PSU positions enable backside connector motherboards.
Dust filters in the side and the bottom.
The angled fan frame in the side is not only a testament to elegance and functionality but also directs more air towards the GPU – a part that traditionally requires a lot of it. It provides a neat cutout that works as an efficient air intake. For an easy installation of fans, it slides out to the top. Cable management is easier than ever before with a channel that hides your equipment elegantly. If you install additional fans in the bottom, they line up perfectly with the case floor due to a lowered fan bay.