be quiet! Dark Base Pro 901 – Outstanding high-end case
be quiet!, the German manufacturer for premium PC components, presents Dark Base Pro 901. This long-anticipated successor to Dark Base Pro 900 is once again an absolute high-end case with groundbreaking features. Whether you prefer a virtually inaudible or an extremely performant case, Dark Base Pro 901 is the perfect choice. Smart design decisions when it comes to the top and front of the case lead to an outstanding flexibility and versatility. Building a system using an inverted layout is a breeze with Dark Base Pro 901, while ARGB lighting and vertical VGA installation ensure an ideal presentation of your build. To top it off, the upgraded 15W wireless charger charges your smartphone faster than ever before. Alongside Dark Base Pro 901, be quiet! also introduces its own Riser Cable and the new HDD Cage 2.
Silence and performance optimized
Dark Base Pro 901 features a silence-oriented and performance-optimized solution for the top and the front, thanks to exchangable panels included in the box. A detachable top and front bracket with included fan hub and pogo pin connector allows for a comfortable installation of radiators and fans. Even an inverted layout can be done easily thanks to an intuitive rail system. be quiet! Dark Base Pro 901 makes good use of be quiet!’s award-winning Silent Wings 4 fans: thanks to their silence-optimized fan blades and funnel shaped fan frame, these fans make no compromises between virtually inaudible operation and high performance. Their extraordinary air pressure significantly increases the cooling performance of Dark Base Pro 901.
Maximum space for individual needs
With its remarkably large dimensions, be quiet! Dark Base Pro 901 sets no limits on creativity. The front can fit a radiator of up to 420mm and additional fans can be installed throughout the case, even on the side panel. The VGA holder of Dark Base Pro 901 is very versatile and prevents GPU sag even with heavy graphics cards. Two cable bars, one located inside the VGA holder and the other next to the motherboard tray, hide the cables inside the case. Dark Base Pro 901 supports installation of one 5.25″ drive and two HDDs or six SSDs out of the box, with the option to expand this with 5x HDD or 10x SSD. The high-quality, fully-windowed tempered glass side panel offers a perfect view of the components inside your case. And just as important: Dark Base Pro 901 can be deployed without the hassle of additional screws and small parts, creating the optimal case for any build.
Subtle ARGB lighting and modern design touches
Dark Base Pro 901 features ARGB lighting on the front and the PSU shroud to ensure the case remains elegant with subtle illumination. The light and fan settings can be conveniently controlled via touch-sensitive buttons on the I/O panel. A wireless charger for Qi enabled devices and a full 3-year manufacturer’s warranty perfectly rounds up Dark Base Pro 901.
Now available: Riser Cable and HDD Cage 2
Alongside the introduction of Dark Base Pro 901, be quiet! also introduces two accessories that can be used with this and selected other cases in its product portfolio. The Riser Cable is a high-speed data transfer cable for PCIe 4.0 cards, compatible with all be quiet! cases that support vertical installation of the graphics card. It has an elegant all-black design and prevents sagging of the graphics card. Also new is the HDD Cage 2, a tool-free decoupled drive cage that fits one additional HDD or two SSDs in Dark Base Pro 901 and future cases.
be quiet! Dark Base Pro 901 is available from June 27 at a recommended retail price of €319.90 / $299.90 / £319.99. The Riser Cable and HDD Cage 2 are available on the same day for €59.90 / $54.90 / £59.99 and €9.90 / $9.90 / £9.99 respectively.
Motherboard compatibility XL-ATX, E-ATX, ATX, M-ATX, Mini-ATX
Case type Full Tower
PSU PS2 ATX (not included)
Dimensions (L x W x H in mm) 603 x 254 x 569
Material Steel (SGCC), ABS plastic, Aluminium
Weight (kg) 16.3 (net) / 20.8 (gross)
I/O port 1x USB 3.2 Gen. 2 Type C, 4x USB 3.2, HD Audio
(mic + audio), fan controller, ARGB controller
PCI slots 8
Drive bays up to 16x 2.5 (6 included)
up to 7x 3.5 (2 included)
up to 1x 5.25 (1 included)
Preinstalled fans (mm) / (rpm) Front: 2x Silent Wings 4 PWM 140 / 1900
Rear: 1x Silent Wings 4 PWM 140 / 1900
Optional fans (mm) Front: 3x 140 / 120
Top: 3x 140 / 120
Side: 3x 120
Bottom: 1x 140 / 120
Rear: 1x 140 / 120
Optional radiators (mm) Front: 120 / 140 / 240 / 280 / 360 / 420
Top: 120 / 240 / 360
Side: 120 / 240 / 360
Rear: 120 / 140
Maximum dimensions (mm) CPU cooler: up to 190
PSU: up to 288
ATX motherboard: 350 (with HDD cage)
E-ATX motherboard: 370 (with HDD cage)
ARGB connector 3-pin