Everest Random Access Time
Everest Ultimate and Corporate Edition offer several different benchmarks for testing and optimizing your system or network. The Random Access test is one of very few if not only that will measure hard drives random access times in hundredths of milliseconds as oppose to tens of milliseconds.
Drives with only one or two tests displayed in write the write test mean that they have failed the test and their Maximum and possibly their Average Scores were very high after the cached fills. This usually happens only with controllers manufactured by JMicron.
Running the platters at 7,200 RPMs effects latency more than what it does sustained transfer speeds. A drive with low latency makes your applications, windows and browsing 'feel' faster. It is this perceived speed that makes our PCs feel quick. You can have the fastest processor on the market, but if the HDD has a high latency your PC will feel slow. The WD Scorpio Black has the lowest (lower is better) latency than any other 2.5" notebook platter drive we've ever tested.
Even with the large 16MB cache the WD Scorpio Black lags behind many of the other drives in our chart when it comes to write latency. Write latency is not as important for desktop use as it is in audio / video production, but we always like to see less of it rather than more.
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