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SD Cards & Micro SD Memory Cards
A Secure Digital (SD) card is a small data storage device that can be used with digital cameras and camcorders, MP3 players, cell phones, tablets and computers. To find the best SD card for you, consider what size and storage capacity you need.
SD cards come in a variety of sizes. You'll need one that fits the device you're using and the type of card reader that's built in. SD, SDHC (SD High Capacity) and SDXC (SD Extended Capacity) memory cards are all 24 mm x 32 mm x 2.1 mm. Mini-SD cards are 20 mm x 21.5 mm x 1.4 mm. Micro-SD cards are 11 mm x 15 mm x 1 mm. An SDXC card typically requires an adaptor to fit into an SD or SDHC slot, but SDXC slots usually accept SD and SDHC cards.
The storage capacity of SD cards typically ranges from around 2 GB to 32 GB, although larger-capacity cards are available for some devices. SDHC cards and SDXC cards have more storage capacity than regular SD cards.
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