What is SDXC vs SDHC? Key Differences Explained

Learn the main differences between SDXC and SDHC cards, including storage capacities and file systems used for optimal device compatibility.

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SDXC (Secure Digital Extended Capacity) and SDHC (Secure Digital High Capacity) refer to different storage capacities of SD cards. SDHC cards are available in capacities up to 32GB and use the FAT32 file system, whereas SDXC cards offer capacities from 32GB up to 2TB and use the exFAT file system. Essentially, the main difference lies in storage capacity and the file system used, with SDXC cards designed for larger volumes of data.

FAQs & Answers

  1. What does SDXC stand for? SDXC stands for Secure Digital Extended Capacity, which refers to SD cards with storage capacities ranging from 32GB up to 2TB, using the exFAT file system.
  2. Can SDHC cards store more than 32GB? No, SDHC cards support storage capacities only up to 32GB and use the FAT32 file system.
  3. Are SDXC cards compatible with all devices that support SDHC? Not always; many older devices that support SDHC do not support SDXC cards due to differing file systems and capacity standards.

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To further understand SD card technology and how to choose the right storage for your needs, explore our articles on SD card speed classes and tips for maximizing memory card performance.

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