Data Transfer Diagrams: Performance Drives
Seagate Barracuda ATA IV ST380021A
The new Barracuda ATA IV is a good performer. Though it fails to reach constant data transfer speeds of > 35 MB/s, it is able to provide at least 23 MB/s over the whole medium - this is quite a fast result. Write performance could be faster, but you can be sure that it is always constant.
Western Digital WD600BB
As long as you don't fill more than 50% of this drive's capacity, you will get a data transfer rate of at least 30 MB/s. In the second half of the medium, the performance drops to approximately 19 MB/s.
Western Digital WD800BB
The current Western Digital flagship provides almost 35 MB/s in the first third of the medium. Going further, the data transfer performance will decrease to 22 MB/s.
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