The C847MS-E33 features Click BIOS Concept that is based on the UEFI technology. From faster booting to supporting large hard drives with a capacity of over 3 TB. MSI's Click BIOS can be controlled with both a keyboard, but it also supports mouse control which simplifies navigating & manipulating system settings. SATA 6 Gb/s provides double the bandwidth of traditional SATA 3 Gb/s, & increases the data transfer rate between your motherboard & internal storage devices, such as 7200 RPM HDDs, 10000 RPM HDDs & SSDs. It's also the current trend for upcoming high-speed internal storage devices to break the existing bottleneck of a PC's performance. Compared to common motherboard need extra BIOS chips, MSI's M-Flash has a double advantage which doesn't need extra components & secondly, all your BIOS data will be saved in the USB (Universal Serial Bus) drive. The stored data does not only have backup & upgrade function, moreover it can also be seen as a portable BIOS chip which is actually able to boot up your PC.