be quiet! LIGHT BASE 900 FX Black PC Case

£188.48

Order within --h --m for delivery on Tuesday

In stock

SKU: BGW71 Category:
Description

be quiet!

LIGHT BASE 900 FX Black

Panoramic Showcase with 3 Meters of ARGB Brilliance

Video

See It In Action

Highlights

Designed to Impress

LOOK AT ME!

Large window panels on the front and side allow you to watch your PC components at work anytime, making this the perfect showcase for your build.

BRIGHT LIGHT

A massive 3m ARGB LED strip with 172 LEDs visible from all angles. Customize with the included ARGB controller or sync with your motherboard for endless color options.

LED CASE FANS

4 pre-installed Light Wings fans with 7 airflow-optimized blades reduce turbulence and noise while delivering exceptional cooling performance for demanding configurations.

INSTANT LAYOUT CHANGE

Relocatable feet let you invert or switch to horizontal layout in literal seconds. No matter which configuration your gaming room requires, this case delivers.

Specifications

Technical Data

Pre-installed Fans
4x Light Wings 140mm PWM
Max Fan Support
Up to 10 fans
Radiator Support
2x 420mm (top/bottom) + 1x 360mm (side)
Motherboard Support
E-ATX, ATX, Micro-ATX, Mini-ITX
ARGB LED Strip
3m with 172 LEDs
Hub Connectors
2 hubs with 12 ARGB/PWM connectors total

Premium Features

Engineered for Excellence

The LIGHT BASE 900 FX Black combines stunning panoramic visibility with exceptional versatility. Its extra spacious two-chamber design accommodates the most powerful hardware while keeping cables neatly organized for optimal airflow.

Maximum Usability

Detachable radiator and fan brackets in the top and bottom make installation effortless, each fitting a 420mm radiator for up to 3 radiators total.

Flexible GPU Holder

A flexible VGA holder prevents GPU sag in any orientation, working with both horizontally and vertically installed graphics cards for a clean look.

Backside Connector Support

Full support for backside connector designs including Asus BTF, MSI Project Zero, and Gigabyte Project Stealth for a true cable-free view.

Additional information
General Specifications
Article Number
BGW71
Brand
be quiet!
EAN
4260052191774
Model
be quiet! LIGHT BASE 900 FX Black PC Case
Warranty
3
Dimensions & Compatibility
Case size excl. stands (L x W x H), (mm)
532 x 327 x 465
Case size incl. stands (L x W x H), (mm)
532 x 327 x 484
Expansion slots
8
Motherboard compatibility
E-ATX / XL-ATX / ATX / M-ATX / Mini-ATX
Net weight (kg)
16.8
Pieces per Packaging Unit
1
Volume (l)
68
Clearances (GPU/CPU/PSU)
Graphics card length with HDD cage installed (mm)
495
Graphics card length with HDD cage removed (mm)
495
Max. construction height of CPU cooler unit (mm)
190
Maximum PCIe slots with vertical graphics card (pcs.)
4
Maximum PSU dimensions excl. bottom fan (mm)
225
Maximum PSU dimensions incl. bottom fan (mm)
225
PSU form factor
ATX PS/2
Cooling & Fan Support
Air pressure at 100% PWM / 12V (mm H2O)
1.49 / 1.1
Airflow at 100% PWM / 12V (CFM / m3/h)
56.0 / 95.1, 51.37 / 87.28
Connector
4-pin PWM
Fan at bottom
-
Fan at front
-
Fan at rear
1x Light Wings 140mm PWM
Fan at side
3x Light Wings Reversed 140mm PWM
Fan at top
-
Fan controller
2x 12 ports
Fan size (L x W x H), (mm)
140 x 25 x 140
Fan speed at 100% PWM / 12V (rpm)
1500 / 1300
Input current (A)
0.32 / 0.06
Input power (W)
3.8 / 0.72
Lifespan (h / 25°C)
60,000
Max fans bottom (mm)
3x 140 / 3x 120
Max fans front (mm)
-
Max fans rear (mm)
1x 140 / 1x 120
Max fans side (mm)
3x 140 / 3x 120
Max fans top (mm)
3x 140 / 3x 120
Maximum fans
10
Noise level at 100% PWM / 12V (dB(A))
23.3 / 25.5
Voltage range (V DC)
5-13.2 / 5-12
Radiator Support
Max top radiator
120 / 140 / 240 / 280 / 360 / 420
Radiator bottom (mm)
120 / 140 / 240 / 280 / 360 / 420
Radiator front (mm)
-
Radiator rear (mm)
120 / 140
Radiator side (mm)
120 / 140 / 240 / 280 / 360
Front I/O & Connectivity
HD Audio I/O
Mic + Audio
USB 3.2 Gen. 2 Type C
1
USB 3.2 Type A
2
Lighting & Controller
LED illumination
LED type
ARGB - 5V
LEDs (pcs.)
172
LEDs synchronizable with controller/motherboard
Damping, Filters & Insulation
Anti-vibration decoupled fan
Anti-vibration decoupled HDD
Anti-vibration decoupled PSU
Removeable dust filters - Bottom
1
Removeable dust filters - Front
-
Removeable dust filters - Side
1
Removeable dust filters - Top
1
Materials & Build
Additional standoffs (pcs.)
1
Cable ties (pcs.)
12
Material - Front panel
Glass
Material - Side panel
Steel
Material - Side panel window
Glass
Material - Stands
ABS
Material - Top cover
Steel
Screw set (Drives/Motherboard)
VGA holder
VGA holder for inverted layout
Compliance & Logistics
Dimensions, package (L x W x H), (mm)
572 x 431 x 632
Environmental directives - RoHS
Environmental directives - Triman
Environmental directives - WEEE
Gross Weight (Package)
18.7
International hotline / free of charge
✓ / DE, FR
Safety certification - Approvals
CE, UKCA
Downloads
ManualPDF
DatasheetPDF
DimensionsJPG
About brand
German Engineering · Silent Performance

About be quiet!

be quiet! is a premium German PC hardware brand, recognised worldwide for designing high-performance components with an uncompromising focus on silence.

Founded in Germany, be quiet! has earned the trust of enthusiasts, gamers, creators and system builders the world over through exceptional build quality, reliability and near-silent operation.

Ultra-Quiet Design
German Engineering
Premium Components
Long Warranties

Designed in Germany

Every be quiet! product is engineered and quality-controlled in Germany, with meticulous attention to acoustics, airflow, thermals and long-term durability.

That engineering-first approach means each one performs exactly as intended: quietly and efficiently.

What be quiet! is known for

  • Ultra-quiet, high-efficiency power supplies
  • High-performance CPU coolers with silent operation
  • Low-noise PC cases optimised for airflow and reduced vibration
  • Premium fans engineered for strong airflow at minimal noise

Trusted by enthusiasts and professionals

be quiet! hardware is widely used in gaming PCs, professional workstations, content-creation systems, and quiet home and office builds.

Authorised UK Service Centre

As an authorised UK service centre, we supply genuine be quiet! products backed by full manufacturer warranty and local UK support.

Shipping & Delivery

Shipping & Delivery Information

Free UK delivery
Dispatch cut-off: 2:00pm
UK shipping only

  • 🚚
    UK mainland: Free standard next-day / 2-day delivery (subject to courier terms).
  • ⏱️
    Same-day dispatch: Order before 2:00pm Monday–Friday.
  • 📍
    Extended areas: Highlands, NI, ROI & Channel Islands typically 2–5 working days.
  • 🛑
    No collection: We ship orders only.

Shipping Only

Please note that we do not offer collections. All orders are shipped via our courier partners.

Delivery services are subject to courier availability and local conditions.

Weekend Orders

Orders placed after 2:00pm on Friday or during the weekend
are processed on the next working day (normally Monday).

Bank holidays may also affect dispatch and delivery times.

UK Delivery
Free standard next-day / 2-day to UK mainland (subject to courier terms)
  • Free standard delivery on all orders
  • 📦UK mainland only for next-day / 2-day services
  • 🕑Cut-off: order before 2:00pm (Mon–Fri) for same-day dispatch
Extended Delivery Areas
Typically 2–5 working days
  • 🏔️Scottish Highlands
  • 🇬🇧Northern Ireland
  • 🇮🇪Republic of Ireland
  • 🏝️Channel Islands

Delivery times can vary depending on courier availability and local conditions.

International Shipping
We do not ship outside the UK
We currently only ship within the UK and do not offer international delivery.

Delivery times are estimates and may be affected by courier delays outside of our control.