ASRock Z77 Extreme4 Review - XFAST 555 Features & Benchmark
ASRock XFast USB
XFast USB Download Free for Windows 10, 7, 8 (64 bit / 32 bit)
Shiva Enterprise - S1155 Asrock H61M-VS Motherboard 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
970 Extreme4-01
XFastUsb 3.1 Download (Free) - XFastUsb.exe
Performance Review: Does Xfast USB Technology Actually Work - YouTube