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MyDigitalSSD BOOST 1TB External SSD Review

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AS-SSD Benchmark

Alex Schepeljanski of Alex Intelligent Software develops the free AS SSD Benchmark utility for testing storage devices. The AS SSD Benchmark tests sequential read and write speeds, input/output operational performance, and response times.

AS-SSD Benchmark uses compressed data, so sequential file transfer speeds may be reported lower than with other tools using uncompressed data. For this reason, we will concentrate on the operational IOPS performance in this section.

Beginning with sequential transfer performance, the MyDigitalDiscount BOOST 1TB portable solid state drive produced 431MB/s for sequential reads and 423MB/s for sequential writes. The 4K-64 thread test we concentrate on in this benchmark produced only 87MB/s reads and 157MB/s writes.

MyDigitalSSD BOOST 1TB (5Gb/s)

At 10Gb/s, the drive’s performance improves in some measures, but declines dramatically in others. For example, not the massive drop in sequential read performance, and the massive increase in sequential write performance:

MyDigitalSSD BOOT 1TB (10Gb/s)

The chart below summarizes AS-SSD 64-thread 4KB IOPS performance results among a variety of enthusiast-level SSDs. The MDMSR-BST-1TB-RD returns a very low score relative to the internal SSDs that comprise the bulk of the chart, but does manage to edge ahead of the Samsung T3 when connected to a 5Gb/s USB port; oddly, the performance drops dramatically when the drive is connected to a SuperSpeed+ port.

In the next section, Benchmark Reviews tests transfer rates using ATTO Disk Benchmark.


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