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What is SDHC?
SDHC (Secure Digital High-Capacity) is a new flash memory card based on the SDA 2.00 specification or standard secure digital SD.

What is Class Speed Rating?
The SD Association has created and defined 3 speed classes to help you identify speed and performance capabilities/minimum requirements of SDHC, mini SDHC and micro SDHC cards and the host products. The SD Speed Class Ratings specify a MINIMUM sustained write speed for SDHC/mini SDHC/micro SDHC cards (Class 2: 2 MB/s; Class 4: 4 MB/s; Class 6: 6 MB/s).

SDHC cards use the same physical format as SD cards but cannot be used with standard SD host devices that do not comply with SDA Specifications Version 2.00. SDHC Host devices complying with the new SDA Version 2.00 can use standard SD Memory Cards and the new SDHC Memory Cards.

Please Note:
Not all devices support SDHC cards. Please contact your device manufacturer for compatibility. Check for the SDHC Logo on the product or packaging of your device.

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“Just to say that I couldn't believe your ecellent service, order placed 3.24p.m. Friday 31st Aug.items delivered on Saturday morning.This was standard delivery. Once again thank you. Pat Manser”

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