The Difference Between SDSDX3-008G-A31 & SDSDX3-008G-P31
The SanDisk SDHC 8GB memory card is available in two virtually identical flavors: the SDSDX3-008G-A31 and the SDSDX3-008G-P31. The chief difference between these two cards is the packing code, which states that one chip is intended for sale in America and another in China and the Pacific Rim. There are several subtle differences that stem from this distinction.
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Packing Code
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The chief difference between the SDSDX3-008G-A31 and SDSDX3-008G-P31 SDHC memory cards is the packing code. The last three digits of each product number is the packing code. The packing code "A31" means it was packaged in America, whereas the packing code "P31" means it was packaged in the Pacific Rim.
Availability
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The availability of these two SDHC devices depends largely on where you are in the world. The "A31" packing code implies it is more readily available in American markets. Similarly, the "P31" packing code implies greater availability in Asia and along the Pacific Rim. However, given the nature of commerce on the Internet, you should be able to find either one without much trouble.
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Price
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The suggested manufacturer's list price in America for the SDSDX3-008G-A31 is $89.99 as of June 2011, while the virtually identical SDSDX3-008G-P31 is priced at $119.00. This is likely due to the lower number of "P31" chips in America, which therefore fetch a premium despite being virtually identical underneath.
Packaging
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The packaging that comes with the SDSDX3-008G-A31 is likely to be written in English, while the packaging that comes with SDSDX3-008G-P31 is most likely written in an Asian language.
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References
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