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I suspect that this is a newbie question - but I suspect that my hard drive might be failing - so I installed HD Tune Pro to run some tests. My read performance was an average of 27MB per sec (minimum 0.2, maximum 56) with an access time of 26ms and a burst rate of 47.4 Mb/s. (see below as well)

My question is how to compare this data? I tried to go to manufacturer website but had trouble finding similar statistics.

Is there an easier way? Where can I find benchmarks to interpret this data?

HD Tune Pro: Hitachi HTS545016B9A Benchmark

Test capacity: full

Read transfer rate
Transfer Rate Minimum : 0.2 MB/s
Transfer Rate Maximum : 56.7 MB/s
Transfer Rate Average : 27.1 MB/s
Access Time           : 25.5 ms
Burst Rate            : 47.4 MB/s
CPU Usage             : 21.7%
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run CrystalDiskInfo and look if you get SMART errors. crystalmark.info/software/CrystalDiskInfo/index-e.html –  magicandre1981 Aug 6 '13 at 4:29

2 Answers 2

up vote 1 down vote accepted

Harddrive performance is going to vary wildly while the drive is in use, and from what you've described, it sounds like that disk was likely in use during the tests (perhaps it is your C:\ drive?).

In any case, I'm not sure how stable disk speeds are within specific models or generations from a manufactuer, but if you're really just wanting to know if the disk is close to failure, you'll be better off looking at the S.M.A.R.T data for the drive, which can show you other useful statistics such as how many bad sectors the drive has or how many times it encountered an uncorrectable read error.

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There are some extensive HDD benchmark charts on Tomshardware.com.
I found your Hitachi Travelstar 5K500.B on the "2012 Mobile HDD Charts" list.

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Select your drive and compare it with another random one to see the benchmark details.
Note, that I don't know if your tool used sequential or random data. I just picked results from sequential tests.

                        YOUR RESULTS        BENCHMARK RESULTS
Transfer Rate Minimum : 0.2 MB/s          : 40.0 MB/s
Transfer Rate Maximum : 56.7 MB/s         : 84.8 MB/s
Transfer Rate Average : 27.1 MB/s         : 63.4 MB/s
Access Time           : 25.5 ms           : 20.3 ms (read) | 9.4 ms (write)
Burst Rate            : 47.4 MB/s         : ---
CPU Usage             : 21.7%             : ---
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