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Samsung SSD 850 EVO mSATA Review

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ATTO Disk Benchmark

The ATTO Disk Benchmark program is free, and offers a comprehensive set of test variables to work with. In terms of disk performance, it measures interface transfer rates at various intervals for a user-specified length and then reports read and write speeds for these spot-tests. There are some minor improvements made to the 2.46 version of the program that allow for test lengths up to 2GB, but all of our benchmarks are conducted with 256MB total length. ATTO Disk Benchmark requires that an active partition be set on the drive being tested. Please consider the results displayed by this benchmark to be basic bandwidth speed performance indicators.

ATTO-Samsung-SSD-850-EVO-mSATA-250GB

250GB Samsung SSD 850 EVO mSATA Results

Our bandwidth speed tests begin with the Samsung SSD 850 EVO mSATA solid state drive attached to the Intel P67-Express SATA 6Gb/s controller operating in AHCI mode. Using the ATTO Disk Benchmark tool, the test drive performs basic file transfers ranging from 0.5 KB to 8192 KB.

The 250GB model provided to Benchmark Reviews for testing produced 552 MBps maximum read speeds that plateau from around 128-8192 KB file chunks, and 530 MBps peak write bandwidth that plateaus from 128-8192 KB. These results outperform Samsung’s specifications of 540/520 MBps for the 250GB Samsung SSD 850 EVO mSATA model, and secures a spot among our best performers:

ATTO-Disk-Benchmark_Results

In the next section, Benchmark Reviews tests sequential performance using the CrystalDiskMark 3.0 software tool…


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1 comment

  1. Athlonite

    I would have liked to have seen a seperate IOP’s test that shows the read and write iops and if they were anywhere near the stated values for the SSD , combined values of 50/50 is not a normal scenario for everyday use it would be more like 80R/20W …..

    Other than that very nice review Olin thank you

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