Outstanding flexibility and silenceN/AN/Abe quiet! Dark Base Pro 900 Black rev. 2 is the perfect case for all who expect the highest standards when it comes to modularity compatibility and design.N/AN/ARELOCATABLE MOTHERBOARD TRAYN/AFlexibility for individual requirementsN/AThe decoupled motherboard tray adapts to suit individual requirements being completely relocatable and usable as a test bench. You can adjust it to three different heights or install it alongside the left panel in an inverted layout with redefined airflow. It is fully compatible with E-ATX and XL-ATX motherboards.N/AN/ASILENT WINGS 3N/AImpeccable cooling and silenceN/AThe 3 preinstalled Silent Wings 3 140mm PWM fans offer virtually inaudible operation. They are equipped with a smooth-running 6-pole motor durable fluid-dynamic bearing and airflow-optimized fan blade design. The frame has funnel-shaped air inlets that generate high air pressure.N/AN/AMODULAR HDD SLOTSN/AGenerous space for your setupsN/AThe installation options are flexible thanks to repositionable single HDD slots. Supports up to 5 HDDs 10 SSDs and 2 optical drives out of the box. The practical slot covers serve to hide any unused HDD slots and keep the inner workings neat and tidy. This enables you to create systems that are just as individual as you are yourself. N/AN/AVERY FUNCTIONAL PSU SHROUDN/AOffering unexpected possibilitiesN/AThe PSU shroud offers you a variety of solutions not just for hiding the PSU and to keep the system neat and tidy. The cover plates are separately detachable making it possible to install a fan or an SSD on the top of the PSU shroud and leave enough space for a radiator in the front. N/AN/AFULL CIRCUIT AIRFLOW SYSTEMN/AA silence concept by the silence expertsN/AWith its smart silence concept Dark Base Pro 900 rev. 2 is the perfect case for the extreme requirements of overclocked systems and super silent water-cooled PCs. It can carry up to seven additional fans up to four radiators and has noise-reducing vents all around the case that provide ultra-effective full circuit airflow.N/AN/ADUAL RAIL FAN CONTROLLERN/ACreating separate cooling zonesN/AThe 8 PWM fan connectors are divided over two rails and each is switchable between Silence and Performance Mode. This makes it possible to create two cooling zones that can be controlled by just the front panel switch. If you want all fans to run at the same speed you can switch both channels to the same mode.N/AN/ATEMPERED GLASS AND LEDsN/AA perfect view inside your PCN/AThe case is equipped with an elegant fully windowed side panel that is made of tinted and tempered glass. The eye-catching internal LED illumination comes in 6 switchable colors. You can locate the LED strips freely inside the PC case.N/AN/ASMART I/O PORT AND CONVENIENT CHARGERN/AFulfilling practically every desireN/AThe front I/O port offers perfect compatibility for your high-end PC. A connector of USB 3.2 Gen. 2 Type C is supported. Integrated wireless charger for Qi enabled devices such as smart phones.N/A