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The SD Card is a highly secure stamp-sized flash memory card. Jointly developed by Matsushita Electronic (best known for its Panasonic brand name products), SanDisk and Toshiba, the SD Card weighs approximately two grams. The SD Card can be used in a variety of digital products; digital music players, cellular phones, handheld PCs (HPCs), digital cameras, digital video camcorders, smart phones, car navigation systems and electronic books.
**Based on SanDisk internal testing |
| 1GB | 2GB | 4GB | 8GB | 16GB | 32GB | |
| Approximate number of images per card capacity | ||||||
| 2 megapixel | 1137 | 2274 | 4548 | 9096 | 18192 | 36384 |
| 3 megapixel | 853 | 1706 | 3412 | 6824 | 13648 | 27296 |
| 4 megapixel | 512 | 1024 | 2048 | 4096 | 8192 | 16384 |
| 5 megapixel | 409 | 818 | 1636 | 3272 | 6544 | 13088 |
| 6 megapixel | 320 | 640 | 1280 | 2560 | 5120 | 10240 |
| 7 megapixel | 304 | 608 | 1216 | 2432 | 4864 | 9728 |
| 8 megapixel | 292 | 584 | 1168 | 2336 | 4672 | 9344 |
| 10 megapixel | 256 | 512 | 1024 | 2048 | 4096 | 8192 |
| 12 megapixel | 220 | 440 | 880 | 1760 | 3520 | 7040 |
| Approximate number of video minutes | ||||||
| MPEG4(H264) | 130 | 260 | 520 | 1040 | 2080 | 4160 |
| Approximate number of songs (4 minutes song) | ||||||
| MP3(128kbps) | 240 | 480 | 960 | 1920 | 3840 | 7680 |
| Approximate number of Emails | ||||||
| no attach files | 21766 | 43532 | 87064 | 174128 | 348256 | 696512 |
Note: 1 megabyte (MB) = 1 million bytes; 1 gigabyte (GB) = 1 billion bytes. Some of the listed capacity is used for formatting and other functions, and thus is not available for data storage.
