ASRock XFast USB (Universal Serial Bus) technology redefines the standard in high performance computing. Proving once again to be the pioneer in motherboard industry, ASRock XFast USB (Universal Serial Bus) series motherboard integrates with the XFast USB (Universal Serial Bus) Technology which delivers the fastest USB (Universal Serial Bus) data transfer speed. According to below graph, it shows that the ASRock XFast USB (Universal Serial Bus) technology can even boost USB (Universal Serial Bus) 2.0 performance. This board is designed to build up the most powerful system & delivers the most demanding technology for users nowadays. Just enjoy computing with ASRock 8-core CPU ready motherboard.