be quiet! LIGHT BASE 900 DX Black Full Tower

SKU
BGW69
Login for pricing
E-ATX / XL-ATX / ATX / M-ATX / Mini-ATX, 1x USB Type-C, 2x USB Type-A, ATX PS/2
  • Fully windowed front and side panel for a stunning panoramic view on all your PC components
  • Impressive illumination from every angle with a massive ARGB LED strip
  • Can be switched to inverted or horizontal layout in literal seconds thanks to intuitive handling
  • Extra spacious design for up to two 420mm radiators at the same time and an E-ATX motherboard
  • For easy installation of radiators and fans outside of the case, the brackets in the top and bottom can be removed quickly
  • Support for motherboards with backside connector design
  • 2 ARGB and fan hubs with 12 connectors in total
More Information
Form factor Full Tower
Type PC
Product colour Black
Supported motherboard form factors ATX,EATX,Micro ATX,Mini-ATX,XL-ATX
SKU BGW69
EAN 4260052191750
Manufacturer be quiet!
Availability In Stock
Product Videos View Video
Product Manuals (HTML) View Manual
PDF URLs View PDF
Exceptional from every angle
Be prepared for virtually any PC component available and make Light Base 900 DX Black your creative show case.

LOOK AT ME!
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 DX Black the perfect choice as your show case.

BRIGHT LIGHTS
3 meters of LEDs

Light Base 900 DX Black 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 DX Black truly your own. Express yourself!

UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT…
Change the layout in literal seconds

It takes longer to read this text than to invert Light Base 900 DX Black. With its relocatable feet, you can invert the PC case literally in seconds. You can also choose a horizontal layout, which is executed just as quick. No matter which layout your gaming room requires: Light Base 900 DX Black delivers.

MAKE IT YOUR CASE
Large dimensions for endless creativity

Light Base 900 DX Black features no preinstalled fans. However, up to 10 fans can be installed in total, making Light Base 900 DX Black extremely versatile. With its extra spacious design, it can hold up to 420mm radiators simultaneously, an E-ATX motherboard and even the most powerful graphics cards. Thanks to the two-chamber design, drives and cables are neatly tucked in the back and do not get in the way of airflow.

MAXIMUM USABILITY
A new level of convenience

The detachable radiator and fan brackets in the top and bottom make installation of your cooling setup very easy. Each bracket fits a 420mm radiator, which can be installed at the same time. On top of that, you can install another radiator with up to 360mm length in the side, for a whopping 3 radiators. On top of that, Light Base 900 DX Black comes with 2 ARGB and PWM hubs that offer 12 connectors in total. Their positions at the top and bottom allow you to conveniently connect your hardware.

HOLD MY GPU
For a neat interior

Light Base 900 DX Black features a flexible VGA holder that subtly prevents your GPU from sagging. The best part: This holder works in any orientation and with a horizontally or vertically installed graphics card. The result is a clean look even if you use big and heavy graphics cards.

ON THE FLIPSIDE...
Support for motherboards with backside connector design

The motherboard tray fully supports backside connector designs like Asus BTF (Back to Future), MSI Project Zero, and Gigabyte Project Stealth, for a true and cable-free view.
Technical details
Number of 5.25" bays0
Number of 3.5" bays1
Number of 2.5" bays4
Supported motherboard form factorsATX, EATX, micro ATX, Mini-ATX, XL-ATX
Supported HDD sizes2.5,3.5"
Suitable forGaming
Side windowYes
Product colourBlack
Number of expansion slots8
Maximum CPU cooler height19 cm
Maximum graphics card length49.5 cm
Maximum PSU length22.5 cm
TypePC
Form factorFull Tower
Compliance certificatesCE, RoHS, UKCA, WEEE
Material
MaterialAcrylonitrile butadiene styrene (ABS), Glass, Steel
Indication
Illumination locationFront
Illumination colourMulti
IlluminationYes
Design
Anti-dust filterYes
MaterialAcrylonitrile butadiene styrene (ABS), Glass, Steel
Number of 5.25" bays0
Number of 3.5" bays1
Number of 2.5" bays4
Supported motherboard form factorsATX, EATX, micro ATX, Mini-ATX, XL-ATX
Suitable forGaming
Side windowYes
Illumination locationFront
Illumination colourMulti
IlluminationYes
Product colourBlack
Number of expansion slots8
Maximum CPU cooler height19 cm
Maximum graphics card length49.5 cm
Maximum PSU length22.5 cm
TypePC
Form factorFull Tower
Power supply
Supported power supply form factorsATX, PS2
Power supply includedNo
Ports & interfaces
USB 3.2 Gen 2x2 Type-C ports quantity0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity0
Audio inputYes
Audio outputYes
USB 2.0 ports quantity0
Cooling
Rear radiator sizes supported120,140 mm
Top radiator sizes supported120,240,280,360,420 mm
Number of side fans supported (max)3
Side fans diameters supported120,140 mm
Number of rear fans supported (max)1
Rear fans diameters supported120,140 mm
Number of top fans supported (max)3
Top fans diameters supported120,140 mm
Number of bottom fans supported (max)3
Bottom fans diameters supported120,140 mm
Liquid cooling capabilityYes
Bottom radiator sizes supported120,140,240,280,360,420 mm
Side radiator sizes supported120,140,240,280,360,420 mm
Storage
Supported HDD sizes2.5,3.5"
Weight & dimensions
Width327 mm
Depth532 mm
Height484 mm
Weight15.3 kg
Packaging data
Package width431 mm
Package height632 mm
Package depth572 mm
Package weight17.7 kg

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Description
Exceptional from every angle
Be prepared for virtually any PC component available and make Light Base 900 DX Black your creative show case.

LOOK AT ME!
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 DX Black the perfect choice as your show case.

BRIGHT LIGHTS
3 meters of LEDs

Light Base 900 DX Black 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 DX Black truly your own. Express yourself!

UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT…
Change the layout in literal seconds

It takes longer to read this text than to invert Light Base 900 DX Black. With its relocatable feet, you can invert the PC case literally in seconds. You can also choose a horizontal layout, which is executed just as quick. No matter which layout your gaming room requires: Light Base 900 DX Black delivers.

MAKE IT YOUR CASE
Large dimensions for endless creativity

Light Base 900 DX Black features no preinstalled fans. However, up to 10 fans can be installed in total, making Light Base 900 DX Black extremely versatile. With its extra spacious design, it can hold up to 420mm radiators simultaneously, an E-ATX motherboard and even the most powerful graphics cards. Thanks to the two-chamber design, drives and cables are neatly tucked in the back and do not get in the way of airflow.

MAXIMUM USABILITY
A new level of convenience

The detachable radiator and fan brackets in the top and bottom make installation of your cooling setup very easy. Each bracket fits a 420mm radiator, which can be installed at the same time. On top of that, you can install another radiator with up to 360mm length in the side, for a whopping 3 radiators. On top of that, Light Base 900 DX Black comes with 2 ARGB and PWM hubs that offer 12 connectors in total. Their positions at the top and bottom allow you to conveniently connect your hardware.

HOLD MY GPU
For a neat interior

Light Base 900 DX Black features a flexible VGA holder that subtly prevents your GPU from sagging. The best part: This holder works in any orientation and with a horizontally or vertically installed graphics card. The result is a clean look even if you use big and heavy graphics cards.

ON THE FLIPSIDE...
Support for motherboards with backside connector design

The motherboard tray fully supports backside connector designs like Asus BTF (Back to Future), MSI Project Zero, and Gigabyte Project Stealth, for a true and cable-free view.
The Define 7 is the latest pinnacle of the renowned Define series, setting a new standard for what you should expect from a mid-tower case when it comes to modularity, flexibility and ease of use.

Introducing the Define 7 series

Re-defining versatility

Open and interchangeable

Swap in the ventilated panel to add three filtered fan positions; remove the entire top to build and route with zero hindrance.

Superior airflow by design

Three Dynamic X2 GP-14 fans come preinstalled with room to expand up to a total of nine fans.

- Impressive cooling capacity with a total of nine 140 mm or 120 mm fan mounting positions
- Easy-to-clean high airflow nylon filters with full PSU coverage and convenient front access
- The single 5.25” ODD bay can be converted to an additional 140 mm front fan mount with filtered louver covering.

Open layout for massive headroom

You’ll find more than enough space for your custom water loop with large reservoirs and radiators up to 420 mm in the default Open Layout.

- Adaptable dual-layout interior design fits large motherboards up to 285 mm E-ATX
- Support for radiators up to 360 mm in front, 420 mm up top, or 280 mm in the base

6 SSD/HDD trays + 2 SSD brackets + 1 Multibracket included

Superlative storage

Convert to Storage Layout and install up to 14 HDDs alongside four dedicated SSDs mounts

- 6 universal HDD/SSD brackets included with 14 positions total in Storage Layout
- 2 dedicated SSD brackets included with 4 positions total
- Versatile Multibracket converts any unused fan position to an HDD, SSD or pump mount
- Sturdy new HDD cage design with vibration damped trays

Exceptionally silent

Silence-optimized construction with industrial sound-damped front, top, and side panels

Cable management

Integrated cable guides with Velcro ties simplifies cable management behind the board.

Nexus+ 2 fan hub

Ultra-slim Nexus+ 2 fan hub connects up to three PWM fans and six 3-pin fans.

Type-C interface

Five front USB ports including one USB 3.1 Gen 2 Type-C with fast charging and speeds up to 10Gbps.

Versatile new Multibracket

The included Multibracket lets you convert any unused fan position to an HDD, SSD or pump mount.
The Define 7 is the latest pinnacle of the renowned Define series, setting a new standard for what you should expect from a mid-tower case when it comes to modularity, flexibility and ease of use.

Introducing the Define 7 series

Re-defining versatility

Open and interchangeable

Swap in the ventilated panel to add three filtered fan positions; remove the entire top to build and route with zero hindrance.

Superior airflow by design

Three Dynamic X2 GP-14 fans come preinstalled with room to expand up to a total of nine fans.

- Impressive cooling capacity with a total of nine 140 mm or 120 mm fan mounting positions
- Easy-to-clean high airflow nylon filters with full PSU coverage and convenient front access
- The single 5.25” ODD bay can be converted to an additional 140 mm front fan mount with filtered louver covering.

Open layout for massive headroom

You’ll find more than enough space for your custom water loop with large reservoirs and radiators up to 420 mm in the default Open Layout.

- Adaptable dual-layout interior design fits large motherboards up to 285 mm E-ATX
- Support for radiators up to 360 mm in front, 420 mm up top, or 280 mm in the base

6 SSD/HDD trays + 2 SSD brackets + 1 Multibracket included

Superlative storage

Convert to Storage Layout and install up to 14 HDDs alongside four dedicated SSDs mounts

- 6 universal HDD/SSD brackets included with 14 positions total in Storage Layout
- 2 dedicated SSD brackets included with 4 positions total
- Versatile Multibracket converts any unused fan position to an HDD, SSD or pump mount
- Sturdy new HDD cage design with vibration damped trays

Exceptionally silent

Silence-optimized construction with industrial sound-damped front, top, and side panels

Cable management

Integrated cable guides with Velcro ties simplifies cable management behind the board.

Nexus+ 2 fan hub

Ultra-slim Nexus+ 2 fan hub connects up to three PWM fans and six 3-pin fans.

Type-C interface

Five front USB ports including one USB 3.1 Gen 2 Type-C with fast charging and speeds up to 10Gbps.

Versatile new Multibracket

The included Multibracket lets you convert any unused fan position to an HDD, SSD or pump mount.
The Define 7 XL sets a new standard for what you should expect from a full tower case in terms of modularity, flexibility and ease of use.

Plenty of room for massive builds

- Use the Open Layout for more headroom and gargantuan water-cooling with radiators up to 480 mm in front or top and 280 mm in the base
- Spacious, extensively adaptable dual-layout interior easily accommodates large motherboards up to E-ATX and SSI-EEB
- Two 5.25” ODD bays can be converted to an additional front fan mount with filtered louver covering
- Ventilated PSU shroud with two-part removable cover
- Ultra-slim Nexus+ 2 fan hub connects up to three PWM fans and six 3-pin fans

Superlative storage possibilities

- Mount up to 18 HDD/SSDs plus five SSDs in the Storage Layout (6 HDD/SSD trays + 2 SSD brackets + 2 multi-brackets included)
- Detachable PSU cable shield and integrated cable guides with Velcro straps further simplify cable management behind the board
- Sturdy new HDD cage design with vibration damped trays
- 13 pass-through holes with ten rubber grommets and two removable covers make for clean cable routing regardless of motherboard size

Airflow and cooling

- Outstanding cooling capacity with a total of 9 x 140 mm or 11 x 120 mm fan mounts and three preinstalled Dynamic X2 GP-14 fans
- Easy-to-clean high airflow nylon filters with full PSU coverage and convenient front access
- The two 5.25" ODD bays can be converted to an additional front fan mount with filtered louver covering

Exceptionally silent

Silence-optimized construction with industrial sound-damped front, top, and side panels.

USB Type-C

USB 3.1 Gen 2 Type-C with fast charging support and speeds up to 10Gbps.

SSI-EEB

Easily holds your SSI-EEB motherboard.

Moduvent

Top panel effortlessly swaps from sound damped solid steel to filtered ventilation.

Versatile new Multibracket

The included Multibrackets lets you convert any unused fan position to an HDD, SSD or pump mount.
The Define 7 XL sets a new standard for what you should expect from a full tower case in terms of modularity, flexibility and ease of use.

Plenty of room for massive builds

- Use the Open Layout for more headroom and gargantuan water-cooling with radiators up to 480 mm in front or top and 280 mm in the base
- Spacious, extensively adaptable dual-layout interior easily accommodates large motherboards up to E-ATX and SSI-EEB
- Two 5.25” ODD bays can be converted to an additional front fan mount with filtered louver covering
- Ventilated PSU shroud with two-part removable cover
- Ultra-slim Nexus+ 2 fan hub connects up to three PWM fans and six 3-pin fans

Superlative storage possibilities

- Mount up to 18 HDD/SSDs plus five SSDs in the Storage Layout (6 HDD/SSD trays + 2 SSD brackets + 2 multi-brackets included)
- Detachable PSU cable shield and integrated cable guides with Velcro straps further simplify cable management behind the board
- Sturdy new HDD cage design with vibration damped trays
- 13 pass-through holes with ten rubber grommets and two removable covers make for clean cable routing regardless of motherboard size

Airflow and cooling

- Outstanding cooling capacity with a total of 9 x 140 mm or 11 x 120 mm fan mounts and three preinstalled Dynamic X2 GP-14 fans
- Easy-to-clean high airflow nylon filters with full PSU coverage and convenient front access
- The two 5.25" ODD bays can be converted to an additional front fan mount with filtered louver covering

Exceptionally silent

Silence-optimized construction with industrial sound-damped front, top, and side panels.

USB Type-C

USB 3.1 Gen 2 Type-C with fast charging support and speeds up to 10Gbps.

SSI-EEB

Easily holds your SSI-EEB motherboard.

Moduvent

Top panel effortlessly swaps from sound damped solid steel to filtered ventilation.

Versatile new Multibracket

The included Multibrackets lets you convert any unused fan position to an HDD, SSD or pump mount.
The new Meshify 2 is a classic evolved with focus on distinctive design, spacious interior and rugged good looks. Detachable front filter - New front nylon filter that can be removed for increased airflow - New front panel design with hinged removable mesh and tether-free bezel for easier access to front fan mounts - Three Dynamic X2 GP-14 fans come preinstalled with room to expand up to a total of nine fans Superlative storage - Convert to Storage Layout and install up to 11 HDDs alongside four dedicated SSDs mounts (6x SSD/HDD trays, 2x SSD brackets and 1x Multibracket included) - Transformable interior design utilizing a movable wall for enhancing custom builds - The included Multibracket lets you convert any unused fan position to an HDD, SSD or pump mount - Tool-less, top-latching side panels allow quick access while preventing accidental drops Extremely flexible - Fits your custom water loop with large reservoirs and radiators up to 420 mm in the default Open Layout - Support for radiators up to 360 mm (front), 420 mm (top) and 280 mm (base) - Easily holds large motherboards up to and including 285 mm E-ATX Open and interchangeable Remove the entire top to build and route with zero hindrance. Type-C Interface USB 3.1 Gen 2 Type-C front I/O offers fast-charging and speeds up to 10 Gbps Nexus+ 2 fan hub Ultra-slim Nexus+ 2 fan hub connects up to three PWM fans and six 3-pin fans Versatile Multibracket Versatile Multibracket that converts any unused fan position to an HDD, SSD or pump mount Cable management Detachable PSU cable shield and integrated cable guides with velcro straps further simplify cable management behind the board
Short Description
E-ATX / XL-ATX / ATX / M-ATX / Mini-ATX, 1x USB Type-C, 2x USB Type-A, ATX PS/2
Define 7 Black Solid, 57.7L, 6 x 3.5"/2.5" SSD/HDD Trays, 7 + 2 Expansion slots, E-ATX (max 285 mm) / ATX / mATX / mITX, w/o PSU
Define 7 White TG Clear Tint, 57.7L, 6 x 3.5"/2.5" SSD/HDD Trays, 7 + 2 Expansion slots, E-ATX (max 285 mm) / ATX / mATX / mITX, w/o PSU
Define 7 XL Black TG Dark Tint, 77.6L, 6 x 3.5"/2.5" HDD/SSD trays, 9 + 3 expansion slots, E-ATX / ATX / mATX / mITX / EE-ATX / SSI-CEB / SSI-EEB, w/o PSU
Black Solid, 77.6L, 6 x 3.5"/2.5" HDD/SSD trays, 9 + 3 expansion slots, E-ATX / ATX / mATX / mITX / EE-ATX / SSI-CEB / SSI-EEB, w/o PSU
EATX/ATX/mATX/Mini-ITX, 2xUSB 3.0, USB 3.1 Gen 2 Type-C, Mic, Audio, Steel
Manufacturer
be quiet!
Fractal Design
Fractal Design
Fractal Design
Fractal Design
Fractal Design