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Samsung SSD 970 EVO Review

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CrystalDiskMark 3.0 Tests

CrystalDiskMark is a file transfer and operational bandwidth benchmark tool from Crystal Dew World that offers performance transfer speed results using sequential, 512KB random, and 4KB random samples. For our test results chart below, the 4KB 32-Queue Depth read and write performance was measured using a 1GiB space. Benchmark Reviews uses CrystalDiskMark to illustrate operational IOPS performance with multiple threads.

In addition to our other tests, CrystalDiskMark allows us to determine operational bandwidth under heavy load. CrystalDiskMark uses compressed data, so sequential file transfer speeds are reported lower than with other tools using uncompressed data. Note that versions prior to 6.x are obsolete, but share comparable test results.

CrystalDiskMark reports Sequential Q32T1 speeds reaching 3562 MB/s reads and 2479 MB/s writes, which meets the specified peak read speed, but missed the specified maximum write speed for this solid state drive. 4K Q32 IOPS performance reached 410 MB/s read speeds and 376 MB/s write speeds.

Samsung SSD 970 EVO 1TB CrystalDiskMark Results

1TB Samsung 970 EVO CrystalDiskMark Results

Sequential Q32T1 speeds are represented in the chart below, sorted by combined total:

CrystalDiskMark-4K-Results

In the next section, we continue our testing using Iometer to measure input/output performance…


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