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Interface Throughput observations

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This isn't a question, it's simply some observations I have made that some might find useful.

I recently bought a 1Tb internal SATA II drive to upgrade one of my internal 500 Gb internal SATA II drives (I have 4). I also purchased a FW-400 external case to house the 500 Gb SATA II drive and will use that to replace an older 400 Gb external IDE in a USB 2 tower. I initially put the 1 Tb drive in the FW case to move data since I could not shut my computer down at the time (ripping movies) but I have since swapped those 2 drives around.

Moving 450 Gb of data from the Internal 500 Gb to the 1 Tb drive in the FW case took 9 hours. Moving 250 Gb of data between 2 internal SATA II drives took 45 Min. Moving 280 Gb of data from the external USB 2 IDE 400 Gb drive to the external 500 Gb SATA II in the FW Case will take 11 hours.

Since none of these data transfers are equal in size, the comparisons are not exact but you can estimate how fast each interface is by the time it took to move the data across them. Either way though, you can get gist of what works best.

Ok, back to your busy day.
 

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