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Benchmark Results

Understanding Hard Drive Performance

We took a look both at Serial ATA and UltraATA drives for this project; hence you will find one diagram for each on the following pages.

Data Transfer Diagram

We created these transfer diagrams using the performance data of all hard drives using the same interface. Thus, they not only show the performance of a single drive, but the absolute maximum and minimum values that we found across the lineup between 250 and 750 GB.

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