Why is the size of my card appearing slightly smaller when read by my system than the capacity listed on the label?
Disk Drive Companies such as SanDisk define 1 MEGABYTE as 1,000,000 BYTES. Operating Systems define 1 MEGABYTE as 1,048,576 BYTES (1024K X 1024K or 2 to the 20th power). For example: SanDisk 64MB CompactFlash Card being read by Microsoft Operating System. SanDisk Total Formatted Capacity divided by 1 MB (as defined by the Operating System) equates to the following: SanDisk Total Formatted Capacity of 63,934,464 BYTES equates to 60,972,656 BYTES (60.9MB) displayed by OS.
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