Clean lines and smooth steel construction define the 678C’s sophisticated style, with a crystal-clear tempered glass side panel to show off your system’s components. Includes high-density sound damping material on the side, front and roof panels for quiet operation - or swap in the included dust filter on the roof when performance is your top priority Choose from a multitude of cooling options with space for 360mm push/pull radiators in the front and roof, 280/240mm radiators on the floor and 140/120mm radiators in the rear. Powerful and efficient airflow, with room to install up to 9x 120mm or 7x 140mm fans for massive cooling potential. A PWM fan controller regulates two included SP140 PWM fans and up to four more. High-speed USB 3.1 Gen-2 Type-C front panel connector puts future-proof connectivity within easy reach. Expand your storage options with up to 6x 3.5in and 3x 2.5in drives.