COMPACT SIZE: 140mm deep fits all ATX systems. SEMI MODULAR: Provides the most common connections while allowing flexibility on the peripherals to reduce clutter and maximize airflow for a better ventilated system. 80 PLUS GOLD: Less energy gets wasted during power conversion; Cut down your electricity usage and be Eco-Friendly. SMART and SILENT FAN CONTROL: 120 mm FDB fan inside is regulated by Seasonic Smart and Silent Fan Control technology(S2FC), which optimizes the fan speed according to the needs of the system to create a more silent and comfortable experience. 7 YEAR WORRY-FREE WARRANTY: Our commitment to superior quality.