Storerage — U3CR08

SD/SDHC/SDXC Specifications and Compatibility

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There are three main types in the SD memory card family. SD, SD High Capacity (SDHC™), and SD Extended Capacity (SDXC™). This article details the different specifications of all three types of SD memory cards and the speed class ratings and compatibilities that are different with each type. SD capacities range from 128MB to 2GBDefault Format: FAT16SD cards will work in all host devices that support SD, SDHC, or SDXC SD High Capacity (SDHC™) card is an SD™ memory card based on the SDA 2.0 specification.SDHC capacities range from 4GB to 32GBDefault Format: FAT32Because SDHC works differently than standard SD cards, this format is NOT backwards compatible with host devices that only...

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