Outstanding flexibility & silencennbe quiet! Dark Base 900 Black is the perfect case for all of those who expect the highest standards when it comes to modularity, compatibility & design.nn- Relocatable motherboard tray with the possibility of an inverse layout n- Repositionable HDD tray with single HDD slots for individual space requirements n- Three pre-installed, virtually inaudible be quiet! Silent Wings&174; 3 140mm PWM fans n- Manual stepless fan controller supports up to three PWM & three 3-pin fans n- Effective full-circuit airflow system with noise-reducing vents all around the case n- Water cooling ready for radiators up to 420mm on top, front, back & base n- Completely sound insulated with decoupled elements for motherboard, power supply & drive slots n- Three years manufacturer&153;s warranty n- German product conception, design & quality controlnnbe quiet! Dark Base 900 Black offers unrivaled flexibility with impeccable cooling & silence features. Simply an engineering work of art!\n\n\n\n Product ID: BG011\n\n\n\n\n\n Model: Dark Base 900\n\n Datasheet: http://objects.icecat.biz/objects/mmo_32668749_1466067599_7367_6161.pdf\n\n\n\n\n\n Product Video: http://objects.icecat.biz/objects/32668749_2876286.mp 4&pipe;http://objects.icecat.biz/objects/32668749_2924344.mp 4\n\n\n\n\n\n