Outstanding flexibility and silence be quiet! Dark Base cases are the perfect choice for all of those who expect the highest standards when it comes to modularity, compatibility and design.- Relocatable motherboard tray with the possibility of an inverse layout - Repositionable HDD tray with single HDD slots for individual space requirements - Three virtually inaudible be quiet! SilentWings® 3 140mm PWM fans - Advanced PWM hub and manual fan controller supports up to four PWM and four 3-pin fans - Full-circuit airflow system with noise-reducing vents all around the case - Ready for radiators up to 420mm on top, front, back and base - Completely sound insulated with decoupled motherboard, PSU and drives- Fully windowed side panel from tinted and tempered glass- Eye-catching, freely positionable LED illumination- Wireless charger for Qi enabled devices (e.g. smart phones)- Three years manufacturer’s warranty - German product conception, design and quality controlUnrivaled flexibility with impeccable cooling and silence features. Simply an engineering work of art!