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Is ATA133 better than ATA100?

April 26, 2017ata100 ata133

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Is ATA133 better than ATA100?

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No, not usually. The maximum sustained transfer rates for current IDE drives is around 40 to 50Mb/sec, well below the limitations of either ata100 or 133. Only DATA burst speeds are favourably effected by the increased bandwidth, and burst speeds only have a very limited effect on overall performance. The main benefits of ATA133 are: Combined bandwidth for 2 drives on the same channel is increased and ATA133 allows native use of drives over 127Gb in capacity (an ata100 limitation) Note: The latest revision of ATA100 now supports 48bit addressing thus drives over 127Gb capacity.