What are UHS interface and UHS Speed Class? Categoría : Specification / Capacity / Performance UHS (Ultra High Speed), the fastest performance category available today, defines bus-interface speeds of up to 312 Megabytes per second. It is exclusively designed for SDHC and SDXC memory cards, and compatible with SDHC and SDXC devices. Is the answer helpful? Relacionado What should I do if I cannot delete or format my microSD/SDHC/SDXC card due to write protection? Why is the actual storage capacity of the product slightly less than the volume specified on the product's package? Why do I need to format the memory card before using it for the first time? Soporte Técnico If the answer can't help you, you can contact the Tech Support Department Empezar