Dual-bay BlacX Series hard drive docking station integrated on the top of case for quick and easy file transfer or changing multiple operating systems on the fly Available USB 3.0 port on the front for easy access. Enjoy blazing fast data transfer speed of up to 5.0 Gbps (ten times faster than USB 2.0)High airflow design with top over sized 230 mm fan, front 120 mm with blue LEDs, and rear 120 mm Turbo Fan.Supports high-end graphic cards with length up to 12".Bottom-mounted PSU location offers a cleaner component configuration to promote efficient airflow and heat removal.