be quiet! Dark Base Pro 901 Big Tower - black [BGW50]

- Maximum flexibility for your build thanks to the invertible layout
- Focus on Airflow or Silent thanks to interchangeable top covers and front panels
- Stylish design with digitally addressable RGB LED lighting
- Touch-sensitive I/O panel with control of fans and RGB lighting
- Showcase your hardware with the tempered glass side panel
- Includes three 140-millimeter Silent Wings 4 fans
- Graphics cards up to 495 mm long, CPU coolers up to 190 mm high
- Up to 7x 3.5-inch or 16x 2.5-inch drives plus an optical drive

be quiet! Dark Base Pro 901: versatile, powerful and quiet
The Big Tower Dark Base Pro 901 from be quiet! offers you excellent flexibility when planning and designing your PC because it is suitable for numerous different configurations. Its special features are the touch-sensitive I/O panel with controls for controlling the fans and lighting as well as its invertible interior, which can be rotated 180 degrees.

Dark Base Pro 901: Efficient and quiet cooling
The be quiet! Dark Base Pro 901 offers space for up to eleven 120 mm fans. Three 120 or 140 mm fans can be installed on the front and on the lid. There is space for three 120 mm fans on the side. A 120 or 140 mm fan can be installed on the bottom and on the back.

Three 140 mm be quiet! Silent Wings 4 PWM fans are included in the scope of delivery and are already located on the front and back of the Dark Base Pro 901. The big tower with a height of 190 mm offers plenty of space for CPU air coolers. The lid, front and base are equipped with removable dust filters.

Water cooling in the Dark Base Pro 901
The Big Tower offers excellent options for installing complete or custom water cooling, as up to four radiators can be accommodated in the PC case. The front offers space for a triple radiator with 360 or 420 mm. A 360 mm radiator can be installed on the lid and the side and there is space for a single radiator with 120 or 140 mm on the back.

Dark Base Pro 901: Space for drives and components
That be quiet! The fact that the Dark Base Pro 901 has been developed with a focus on powerful PC systems such as high-end gaming PCs and workstations is also reflected in the supported hardware: The big tower offers space for large mainboards up to XL-ATX and graphics cards with a maximum length of 495 mm. The included graphics card holder can be used to support particularly heavy graphics cards.

The panel with the eight expansion slots can be rotated completely by 90 degrees, for example to install the graphics card vertically. The optionally available ATX power supply can be up to 288 mm long. The Big Tower is well prepared for well-thought-out cable management thanks to integrated cable guides.

Drives are housed in modules in the Dark Base Pro 901. The big tower comes ex works with two carriers for 2.5-inch drives, which are attached to the back of the mainboard tray. In addition, two modules in the HDD cage allow you to install two 3.5-inch HDDs or four 2.5-inch hard drives. Overall, the concept can be expanded with additional modules to up to 16 2.5-inch drives or 7 3.5-inch drives. If desired, a 5.25-inch drive can be installed in the base. The holder required for this is included.

The Big-Tower Dark Base Pro 901 offers a touch-sensitive I/O panel to control fan speed and RGB lighting. It also offers one USB-C and four USB-A ports and two jack sockets for headphones and a microphone.

Technical details:
- Dimensions: 254 x 569 x 603 mm (W x H x D)
- Material: steel, ABS plastic, aluminum, tempered glass
- Weight: approx. 16.3 kg
- Color: Black
- Form factor: XL-ATX, E-ATX, ATX, Micro-ATX, Mini-ITX
- Total fans possible:
- Front: 3x 120 / 140 mm
- Lid: 3x 120 / 140 mm
- Side: 3x 120 mm
- Base: 1x 120 / 140 mm
- Back: 1x 120 / 140 mm
- Fan pre-installed:
- Front: 2x 140 mm Silent Wings 4 PWM (1,900 rpm)
- Rear: 1x 140 mm Silent Wings 4 PWM (1,900 rpm)
- Radiator mountings:
- Front: 1x 120 / 140 / 240 / 280 / 360 / 420 mm
- Lid: 1x 120 / 240 / 360 mm
- Side: 1x 120 / 240 / 360 mm
- Back: 1x 120 / 140 mm
- Filter: front, bottom, lid (removable)
- Drive bays:
- 1x 5.25 inches
- 2x 3.5 inches / 4x 2.5 inches (internal, hard drive cage)
- 2x 2.5 inches (internal, back of the motherboard tray)
- Power supply: 1x standard ATX (optional)
- Expansion slots: 8
- I/O panel:
- 1x USB-C 3.1 (USB 3.2 Gen 2, max. 10 Gbit/s)
- 4x USB-A 3.0 (USB 3.2 Gen 1, max. 5 Gbit/s)
- 2x 3.5 mm jack (3-pin, 1x Mic-In / 1x Audio-Out)
- Fan controller
- ARGB controller
- Maximum graphics card length: 495 mm
- Maximum power supply length: 288
- Maximum CPU cooler height: 190 mm