be quiet! BGW10 Dark Base PRO 900 ATX Full Tower Computer Chassis - Black/Orange Fully versatile thanks to modular construction, offering an relocatable motherboard tray, repositionable HDD slots, support for even E-ATX and XL-ATX as well as the possibility of an inverse layout Three pre-installed Silent Wings 3 140mm PWM fans featuring a smooth-running 6-pole motor, fluid-dynamic bearing and funnel-shaped air inlets Effective full circuit airflow system with innovative noise-reducing vents all around the case Completely sound insulated case with decoupled elements for motherboard, power supply and drives Four areas for water cooling radiators up to 420mm on top, front, back and base of the case