Skip to main content
be quiet! Light Base 900 DX Black PC Case, Fully Windowed Front and Side
be quiet!

be quiet! Light Base 900 DX Black PC Case, Fully Windowed Front and Side

Bottom line: The be quiet! Light Base 900 DX Black PC Case: Dual full-window front and side panels put the whole build on display; main trade-off: ships with zero pre-installed fans despite 10 fan mounts.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar pc cases

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Dual full-window front and side panels put the whole build on display
  • ✓ Removable feet flip the case to inverted or horizontal layout in seconds
  • ✓ Fits two 420mm radiators up in lid and base plus a 360mm on the side
  • ✓ Two ARGB and PWM hubs give 12 total ports at the top and bottom
  • ✓ Backside-connector ready for Asus BTF, MSI Project Zero, Gigabyte Project Stealth

Cons

  • ✗ Ships with zero pre-installed fans despite 10 fan mounts
  • ✗ Glass on two faces means dust and fingerprints stay visible
  • ✗ Dual-chamber rear cable routing is a relearn if you come from a single-chamber build
  • ✗ E-ATX-scale footprint needs real desk or floor clearance

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored be quiet! Light Base 900 DX Black PC Case using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. be quiet!'s pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • You deserve to show what you have. Large window panels on the front and side give you a look at your PC components at all times. This makes Light Base 900 DX Black the perfect choice as a show case.
  • Light Base 900 DX Black is created for the big appearance. Nothing proves that more than the massive ARGB LED strip that is visible from every angle. With ARGB control and the ability to synchronize the lighting with the motherboard, you can make Light Base 900 DX Black your very own case. Show who you are!
  • It takes longer to read this text than to invert Light Base 900 DX Black. With its removable feet, you can literally invert this case in seconds. You can also position it horizontally, which is just as fast. No matter what layout your gaming room requires: Light Base 900 FX Black delivers.
  • Light Base 900 DX Black comes without pre-installed fans. But you can install up to 10 fans. This makes Light Base 900 DX Black extremely flexible. Thanks to its extra spacious design, the case can also hold up to two 420mm radiators, an E-ATX motherboard and even the strongest graphics cards at the same time. Thanks to its 2-chamber design, drives and cables are cleverly mounted at the rear for strong airflow.
  • The removable radiator and fan holder in the lid and base make installation of your setup extremely easy. Each bracket can hold a radiator up to 420 mm. You can also install another 360 mm radiator on the side and thus an incredible 3 radiators at the same time. Light Base 900 DX Black has 2 ARGB and PWM hubs with a total of 12 ports. Its positions at the top and bottom of the case allow you to easily connect your hardware.
  • Light Base 900 DX Black comes with a flexible graphics card holder that subtly prevents your graphics card from sinking. Best of all, the graphics card holder works in all directions, both horizontally and vertically installed GPUs. So your system looks tidy even with the heaviest hardware.

Full Specifications

Brandbe quiet!
ColorBlack
MaterialAlloy Steel
Case TypeTower
Model Namebe quiet! LIGHT BASE 900 DX Black
Unit Count1 Count
Light Color[Customizable]
Model NumberBGW69
CompatibilityPC
Cooling MethodAir
Number of Fans8
Mfr Part NumberBGW69
Number of Items1
Total Usb Ports2
Antenna LocationGaming
Compatible DevicesE-ATX motherboard, up to 10 fans, two 420 mm radiators, compatible with flexible graphics card holders
Enclosure MaterialAlloy Steel
Total USB 3.0 Ports2
Warranty Description3 Year Manufacturer Guarantee
Hard Disk Form Factor3.5 inches

Ready to buy?

be quiet! Light Base 900 DX Black PC Case, Fully Windowed Front and Side is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

Related PC Cases

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
be quiet! Light Base 900 DX Black PC Case, Fully Windowed Front and Side
View on Amazon →