- Form factor
- Mid-Tower
- Motherboard support
- ATX / mATX / ITX
- GPU clearance
- 380 mm
- Released
- 2026

Full-Tower · E-ATX / ATX / mATX / ITX · GPU up to 495 mm
See today's price, delivery and offers at the store.
be quiet! LIGHT BASE 900 FX White is a full-tower PC cabinet that takes E-ATX / ATX / mATX / ITX motherboards and graphics cards up to 495 mm long.
Check the manufacturer's page before buying.
Exceptional from every angle Be prepared for virtually any PC component available and make Light Base 900 FX White with ARGB fans your creative show case.
Panorama design for perfect visibility You deserve to show off what you got. Large window panels on the front and the side allow you to watch your PC components at work anytime. This makes Light Base 900 FX White the perfect choice as your show case.
3 meters of LEDs Light Base 900 FX White is predetermined for the big show. Nothing proves that more than the massive ARGB LED strip which is visible from all angles. The 3m long strip consists of 172 LEDs. With an included ARGB controller button and even more colors and modes with motherboard synchronization, you can make Light Base 900 FX White truly your own. Express yourself!
Optimized fan blades for high airflow Light Base 900 FX White comes with 4 pre-installed Light Wings fans. One fan is installed as rear exhaust, 3 Light Wings 140mm PWM White fans with reversed fan blades are pre-installed on the side mounting. The reverse fans make sure your system is still an eye-catcher when installed as a side intake.
| be quiet! LIGHT BASE 900 FX White | be quiet! LIGHT BASE 900 FX Black | MSI MEG Maestro 900R | FSP U500-B Case Full Tower mITX, mATX, ATX, E-ATX | |
|---|---|---|---|---|
| Form factor | Full-Tower | Full-Tower | Full-Tower | Full-Tower |
| Motherboard support | E-ATX / ATX / mATX / ITX | E-ATX / ATX / mATX / ITX | E-ATX / ATX / mATX / ITX | E-ATX / ATX / mATX / ITX |
| GPU clearance | 495 mm | 495 mm | 440 mm | 420 mm |
| Released | — | — | 2026 | 2025 |
Full-Tower, E-ATX / ATX / mATX / ITX, GPU up to 495 mm.
Full-Tower.
Zalman D30 Dual-Chamber Panoramic View Computer Case Mini Tower Black
Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower Black
Zalman D40 Dual-Chamber Panoramic View Computer Case Mid. Tower White
Zalman D50 Dual-Chamber Panoramic View Computer Case Mid. Tower Black
be quiet! PURE BASE 501Mid-Tower · ATX / mATX / ITX
be quiet! BGW51 Tower CaseTower · E-ATX / ATX / mATX · GPU up to 495 mm
be quiet! Dark Base 701Tower · E-ATX / ATX / mATX · GPU up to 415 mm
be quiet! Dark Base 701 BlackMid-Tower · E-ATX / ATX / mATX / ITX · GPU up to 415 mm
be quiet! DARK BASE PRO 901 | BlackFull-Tower · E-ATX / ATX / mATX · GPU up to 495 mm
be quiet! Light Base 500Mid-Tower · ATX / mATX / ITX · GPU up to 400 mm