1TB Hard Drive Roundup

Reviews: Storage

1TB Hard Drive Roundup - Update

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Richard Poelling
Brian

Dec. 4, 2008

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HD Tach Benchmarking

For this set of benchmarks I decided to use Simpli Software's HDTach v RW 3.0.1.0. The drive was tested unformatted. The full bench (variable zone, etc) for both read and write was performed 3 times and the numbers averaged to yield the final result. I was able to test both the Sequential Read and Sequential Write as well as the Random Access Time and the Burst Read Speed.

Average Read and Write Test

This test is the average (in MB/s) from both the Sequential Read and Sequential Write. Due to differences in location on the platter, we will not get a consistent read across the entire disk. However, the average can give an idea of what to expect by factoring in both the fast and slow sectors of a disk.

From this first test, it is apparent that the different designs are going to show far more differences than previous hard drive testing has shown.

Sequential Read Test

This test is fairly self-explanatory. The benchmark reads every half gig across the entire disk. If you are wondering, that is 1863 data points per disk. This test is what the average data is extracted from.

It is very easy to see that the Seagate technology, even between two different drives, is superior to the Hitachi. This is in sharp contrast to the results we saw in our previous 500 GB Roundup. UPDATE: With the addition of the WD drives, we now appear to have a top performer (WD Black) and poor performer (WD Green).

Sequential Write Test

Same as the Sequential Read test, except writing.

It is not surprising that the write test mimics the read test in shape, or that the Hitachi lags behind both Seagates. UPDATE: Again the WD Black is high and WD Green is low.

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Page 1: Introduction & Testing Procedure
Page 2: Benchmarking: HD Tach
Page 3: Benchmarking: DiskBench & IOmeter
Page 4: Quality & Conclusion

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