ASRock's updated X99 OC FORMULA is here, now called the ASRock OC FORMULA/3.1. Fitted with the latest in USB technology, the ASRock X99 OC FORMULA/3.1 is ASRock's top-level overclocking board built to smash clock records time and again. USB 3.1 isn't everything: we've got SATA Express, Ultra M.2, Xeon, and ECC support - every high-speed item you could ask for when overclocking X99 is here.