SanDisk Rolls Out 4GB SDHC Memory Card

By Geoff Duncan Published July 25, 2014

SanDisk Rolls Out 4GB SDHC Memory Card — Image used with permission by copyright holder

SanDisk has introduced a 4 GB SDHC memory card, the first of a new batc of SDHC memory products designed to get beyond the 2 GB barrier which is now cramping the original SD design. SDHC is a higher-capacity version of the SD spec offering capacities from 4 to 32 GB; although SDHC use the same form factor as familiar SD memory cards, they aren’t backward compatible with SD slots, so keep an eye out for the SDHC logos.

SanDisk’s 4 GB card is classified as Class 2 for speed and performance, meaning it can sustain data transfer at 2 MB per second. The SDHC spec allows for Class 4 and Class 6 speed ratings which (you guessed it) correspond to 4 MB/s and 6 MB/s transfer ratings.

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The SanDisk 4GB SDHC card will come bundled “free” with the SDHC-compatible SanDisk MicroMate USB 2.0 card reader; the MicroMate card reader is priced at $199.99 and should be available this month. SDHC-compatible devices are already reaching the market, including the Sanyo Xacti HD1a camcorder.

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