ASRock XFast USB Technology redefines the new standard in high performance computing. Proving once again to be the pioneer in motherboard industry, ASRock XFast USB Series Motherboards integrate with the latest XFast USB Technology which delivers the world's fastest USB data transfer speed. With Lucid Virtu software, next-generation PCs with 2nd Generation Intel Core processor platforms will dynamically assign tasks in real time to the best available graphics resource based on power, performance and features. For users who are tempted to connect the SSD and HDD on motherboard, the Intel Smart Response Technology can make the SSD become the "Cache of the HDD" to boost up the HDD access speed. C.C.O., stands for Combo Cooler Option, is another exclusive hardware design on ASRock boards. C.C.O. provides the flexible options to adopt different motherboard CPU cooler types and matches your socket LGA775, LGA1155 / LGA1156 CPU cooler in the respective holes. Once again, ASRock has successfully expanded the utilization of PCB by the exclusive C.C.O. design.