Crucial M4 256GB Solid State Drive Review

Testing – HD Tune Pro
HDTune Pro is one of the most popular hard drive software suites available. It has many different benchmarks and tests built into it.  Our first test is the read benchmark, which tests the average read speed and access time of the drive.


Good results here, you can see there is hardly any fluctuation at all, which means the drive will stay at the same speed when you are reading data from it.  Up next we have HD Tune’s write benchmark.


Now compared to the other drives the drive did not perform great at all, but the advertised max write speed of this drive is 260MB/s so having an average of 277.1MB/s sure beat our expectations.

Now we have the Random Access test.  This test measures the performance of random read and write operations. Tests are taken in 512b, 4KB, 64KB, 1MB, and random file sizes. The performance of the drive is reported in operations a second (IOPS), average access time and average speed. Here are both the results from the read and write random access tests.


We normally like the see 5000 and over in the 4K test.  You can see that it exceeded that in both the read and write tests.

In HD Tune Pro 5.0 the file benchmark is actually 2 tests now.  The first is the normal file benchmark we are used to see that tests different transfer speeds over specific file lengths.

The newly added file benchmark also tests a file size (500MB for our test) and gives you sequential read and write speeds.  It also gives you IOPS for 4KB random single and 4K random multi.

As you can see from the above graph the drive performs right up to specifications.

HD Tune also has a set of extra tests.  Here are the results of those for both read and write.


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