4GB 东芝SDHC/MicroSD推新-快科技-科技改变生活

4GB 东芝SDHC/MicroSD推新

且听枫吟
2006年06月29日 20:47
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东芝刚刚推出四款新存储卡产品，分别为4GB的SDHC卡以及256MB-1GB的MicroSD存储卡。

作为SD卡的继任者，SDHC主要特征在于文件各式从以前的FAT12、FAT16提升到了FAT32，而且最高支持32GB。同时传输速度被重新定义为Class2(2MB/sec)、Class4(4MB/sec)、Class6(6MB/sec)等级别，高速的SD卡可以支持高分辨视频录制的实时存储。

SDHC卡的外形尺寸32×24×2.1mm(长×宽×高)，与目前的SD卡一样，著作权保护机能等也和以前相同，但是由于文件系统被变更，以前只支持FAT12/16格式的SD设备存在不兼容现象，而现在也支持FAT32(SDHC)的机器，这可以读取现存的FAT12/16格式的SD卡。

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