be quiet! Dark Base Pro 901 Full-Tower PC Case Black (Boxed)
Premium full-tower E-ATX case with exceptional noise reduction, Qi wireless charging, touch-sensitive controls, supports up to 420mm radiators, includes 3x Silent Wings 4 140mm fans, modular design.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| PC Cases - Motherboard Support | ATX EATX Micro ATX |
|---|---|
| PC Cases - Radiator Support | 120 mm 140 mm 240 mm 280 mm 360 mm 420 mm |
| PC Cases - Included Fans | 3 |
| PC Cases - Front I/O | Audio Jacks USB A USB C USB C Gen2 |
| PC Cases - GPU Orientation | Horizontal Rotatable Layout Vertical Supported |
| PC Cases - Form Factor | Full Tower |
| PC Cases - Max GPU Length | 450+ mm |
| PC Cases - Color | Black |
| PC Cases - CPU Cooler Clearance | 170+ mm |
Outstanding Versatility, Performance and Silence
The be quiet! Dark Base Pro 901 is a flagship full-tower PC case engineered for builders who demand premium performance, exceptional noise reduction, and cutting-edge features. This modular chassis supports EATX motherboards and accommodates CPU coolers up to 190mm and graphics cards up to 495mm. The case features highly effective sound-absorbing foam throughout its construction, with interchangeable front and top panels allowing you to optimize for either maximum airflow or virtually silent operation.
Packed with modern conveniences, the Dark Base Pro 901 includes Qi wireless fast charging for mobile devices, touch-sensitive controls for fan speed and RGB lighting management, and a dual-purpose GPU bracket that reduces sag while concealing cables. The case ships with three Silent Wings 4 140mm PWM fans and supports extensive custom cooling configurations including radiators up to 420mm. Its highly modular design enables inverted motherboard layouts and flexible component positioning, making it suitable for gaming rigs, workstations, and custom water-cooling builds.
- 3x Silent Wings 4 140mm PWM fans included for quiet operation
- Qi wireless fast charging built into the case
- Touch-sensitive fan speed and RGB lighting controls
- Support for radiators up to 420mm (front), 360mm (top/side), 240mm (bottom)
- Supports EATX, ATX, Micro-ATX, and Mini-ATX motherboards
- Highly modular design with inverted layout capability
- Sound-absorbing foam and decoupled tempered glass for noise reduction
- Dual-purpose GPU bracket reduces sag and conceals cables
- 1x USB-C Gen2, 4x USB 3.2 Gen2 Type-A, audio jacks on front I/O
- 3-year manufacturer warranty
| Material | Aluminium, Glass, Steel |
| Form Factor | Full Tower |
| Type | PC |
| Product Colour | Black |
| Supported Motherboard Form Factors | ATX, EATX, Micro-ATX, Mini-ATX, XL-ATX |
| 3.5 | 2 |
| 5.25 | 1 |
| 2.5 | 6 |
| Expansion Slots | 8 |
| Side Window | Yes (Tempered Glass) |
| Suitable For | Gaming, Workstations, Custom Water Cooling |
| Illumination | Yes (RGB, Touch-Sensitive Control) |
| Illumination Colour | Multi-colour (RGB) |
| Anti-Dust Filter | Yes |
| On/Off Button | Yes |
| LED Indicators | Yes |
| Maximum CPU Cooler Height | 190 mm |
| Maximum Graphics Card Length | 495 mm |
| Power Supply Included | No |
| Power Supply Location | Bottom |
| Supported Power Supply Form Factors | ATX, PS2 |
| Audio Input | Yes |
| Audio Output | Yes |
| USB 3.2 Gen 2 Type-C Ports | 1 |
| USB 3.2 Gen 2 Type-A Ports | 4 |
| Fan Speed Control | Yes (Touch-Sensitive, Integrated Fan Hub) |
| Front Fans Installed | 2x 140 mm Silent Wings 4 PWM |
| Front Fans Supported (Maximum) | 3 |
| Front Fan Diameters Supported | 120 mm, 140 mm |
| Side Fans Supported (Maximum) | 3 |
| Side Fan Diameters Supported | 120 mm |
| Rear Fans Installed | 1x 140 mm Silent Wings 4 PWM |
| Rear Fans Supported (Maximum) | 1 |
| Rear Fan Diameters Supported | 120 mm, 140 mm |
| Top Fans Supported (Maximum) | 3 |
| Top Fan Diameters Supported | 120 mm, 140 mm |
| Bottom Fans Supported (Maximum) | 1 |
| Bottom Fan Diameters Supported | 120 mm, 140 mm |
| Fan Speed Range | 0 - 1900 RPM |
| Maximum Airflow (Per Fan) | 78.4 CFM |
| Maximum Air Pressure (Per Fan) | 2.36 mmH2O |
| Front Radiator Sizes Supported | 120 mm, 140 mm, 240 mm, 280 mm, 360 mm, 420 mm |
| Side Radiator Sizes Supported | 120 mm, 240 mm, 360 mm |
| Bottom Radiator Sizes Supported | 140 mm |
| Rear Radiator Sizes Supported | 120 mm, 140 mm |
| Top Radiator Sizes Supported | 120 mm, 240 mm, 360 mm |
| Supported HDD Sizes | 2.5 |
| Qi Wireless Charging | Yes (Fast Charging) |
| Modular Design | Yes (Inverted Layout Support, Interchangeable Panels) |
| Sound Dampening | Yes (Sound-Absorbing Foam, Decoupled Tempered Glass) |
| GPU Bracket | Yes (Dual-Purpose: Reduces Sag, Conceals Cables) |
| Sustainability Compliance | Yes |
| Sustainability Certificates | Triman |
| Warranty Period | 3 years |
| Compliance Certificates | CE, REACH, RoHS, UKCA |
| Case Dimensions (Without Stands) | 604 mm (D) x 275 mm (W) x 569 mm (H) |
| Case Weight (Without Packaging) | 16.3 kg |
| Package Dimensions | 357 mm (W) x 633 mm (D) x 684 mm (H) |
| Package Weight | 20.8 kg |