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SD Card Secure Digital memory cards are derived from MultiMediaCard. They differ from MMC in that SD Card Secure Digital cards include a high performance nine pin serial interface. SD Cards also feature a write protect switch. SD Card Secure Digital memory cards made improvements in electrostatic discharge tolerances add increased data protection over early generation MMC. SD Cards are ideal in small form factor, low power applications. SD Card Secure Digital memory include a proprietary cryptographic security scheme for copyright enforcement, which entities with DRM interests consider a 'feature.' SDHC are SD Card Secure Digital Memory Cards formated as FAT-32 (>2GB). SD Card 2.0 devices are capable of minimum sustained read/writes depending on their class rating. More compact versions of SD Card include miniSD and microSD (aka TransFlash).

Industrial SD Cards
FMJ Secure Digital SD Cards Industrial Grade More Information - View Product Pages
FMJ Secure Digital SD Cards Industrial Grade
SD Cards (SLV-xxx-LSI-4006)
FMJ SD Cards are small, low cost, high performance, removable solid-state memory storage subsystems. Every FMJ SD Card is integrated with technology that prevents data corruption and loss from power anomalies.
ATP SDHC 2.0 Cards
ATP SDHC 2.0 Cards More Information - View Product Pages
ATP ProMax SDHC 2.0 Class 6 SD Cards
High Speed, high capacity cards for the most demanding DSLR and otherr performance applications
Synchrotech SD Cards
SD Cards More Information - View Product Pages
Synchrotech SD Cards
Economical High Speed cards for Digital Photography and other performance applications
microSD/TransFlash Cards
microSD Cards More Information - View Product Pages
Synchrotech microSD/TransFlash (Secure Digital) Cards
Economical cards for very small form factor applications

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