SanDisk SDCFB-128-A10 CompactFlash 128 MB
by SanDisk

List Price: $59.99
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Category: CE
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Digital Photo Product Details

• 128 MB CompactFlash
• Removable data storage system
• Ultracompact
• Industry-standard compatibility
• For use in digital cameras, PDAs, HPCs, personal communicators, and MP3s

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Digital Cameras Photo Reviews of SanDisk SDCFB-128-A10 CompactFlash 128 MB

Customer Review: Good to use with Axim X5
Summary: 5 Stars

The operating system, when reading the size of the card, reports a slightly different capacity than what is listed on the card's label
Definitions of a Megabyte:
1) Operating Systems commonly define a Megabyte (MB) as: 2 to the 20th power (1,024KB--Kilobytes).
2) DiskDrive and Flash Memory Card Manufacturers commonly define a MB as one million bytes (exactly 1,000,000 bytes).

Unformatted (Capacity)
Also known as drive byte capacity before formatting. The Maximum capacity of disk drive before formatting equals
[ (# Cylinders) X (# Heads) X (# Sectors) X (# Bytes per Track) ]

Example:
64MB CompactFlash Card consists of:
490 Cylinders
8 Heads
32 Sectors
512 Bytes per Track

This equates to: [ (490) X (8) X (32) X (512) ] = 64,225,280

Unformatted Capacity: 64,225,280 bytes
Formatted Capacity: 63,934,464 bytes (User Data)

Cause:
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).

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:
63,934,464 BYTES / 1,048,576 BYTES = 60,972,656 BYTES, 60.9MB displayed by OS.

Description of SanDisk SDCFB-128-A10 CompactFlash 128 MB

Expanding functionality and allowing products to be smaller and lighter, CompactFlash has been designed into more than 200 mobile products including digital cameras, handheld PCs, personal communicators, medical monitors, and audio recorders.

The SanDisk 128 MB CompactFlash card comes with a 5-year warranty.