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回一樓不過CF的後代HDMA就不慢了，這也是為什麼高階DSLR要衝連拍速度會選HDMA的介面而不是SD或SDHC。UDMA Mode 0: fastest read rate 16.7Mbyte/secUDMA Mode 1: fastest read rate 25.0Mbyte/secUDMA Mode 2: fastest read rate 33.3Mbyte/secUDMA Mode 3: fastest read rate 44.4Mbyte/secUDMA Mode 4: fastest read rate 66.7Mbyte/secUDMA Mode 5: fastest read rate 100 Mbyte/secUDMA Mode 6: fastest read rate 133 Mbyte/sec寫入速度約3/4。SDHC(SD 2.0) 4~32GBClass 2: 2MB/secClass 4: 4MB/secClass 6: 6MB/secSD < 4GB1.0 12.5MB/sec1.1 25.0MB/sec註：USB 2.0的速度上限是60MB/sec，IEEE 1394b[FireWire 800]的速度是98MB/sec
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Reader Comments (Page 1 of 1)
justin @ Feb 4th 2008 9:33AM
回一樓
不過CF的後代HDMA就不慢了，這也是為什麼高階DSLR要衝連拍速度會選HDMA的介面而不是SD或SDHC。
UDMA Mode 0: fastest read rate 16.7Mbyte/sec
UDMA Mode 1: fastest read rate 25.0Mbyte/sec
UDMA Mode 2: fastest read rate 33.3Mbyte/sec
UDMA Mode 3: fastest read rate 44.4Mbyte/sec
UDMA Mode 4: fastest read rate 66.7Mbyte/sec
UDMA Mode 5: fastest read rate 100 Mbyte/sec
UDMA Mode 6: fastest read rate 133 Mbyte/sec
寫入速度約3/4。
SDHC(SD 2.0) 4~32GB
Class 2: 2MB/sec
Class 4: 4MB/sec
Class 6: 6MB/sec
SD < 4GB
1.0 12.5MB/sec
1.1 25.0MB/sec
註：USB 2.0的速度上限是60MB/sec，IEEE 1394b[FireWire 800]的速度是98MB/sec