SATA 6 Gbps provides double the bandwidth of traditional SATA 3 Gbps, & increases the data transfer rate between your mainboard & internal storage devices. Its also the current trend for upcoming high-speed internal storage devices to break the existing bottleneck of a PCs performance. Compared to the 480 Mbps provided by traditional USB (Universal Serial Bus) 2.0, the USB (Universal Serial Bus) 3.0s 5 Gbps offers 10 times the transfer bandwidth, so transferring a Blu-ray movie takes less than one minute. HDMI (High-Definition Multimedia Interface) is fully digital video/audio interface which can transfer 1080p high-definition video & audio output in single compact connector. Supporting HDCP copy protection such as Blu-ray discs, HDMI provides you with the high-quality home theater experience.