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Samsung Portable SSD T3 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 Samsung T3 portable solid state drive produced 435MB/s for sequential reads and 432MB/s for sequential writes. The 4K-64 thread test we concentrate on in this benchmark produced only 86MB/s reads and 110MB/s writes.

as-ssd-bench-Samsung-Portable-2.18

Samsung Portable SSD T3 Results

The chart below summarizes AS-SSD 64-thread 4KB IOPS performance results among a variety of enthusiast-level SSDs. The MU-PT500B returns a very low score relative to the internal SSDs that comprise the remainder of the chart.

AS-SSD-Benchmark_Results

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


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3 comments

  1. BeX

    Driver needed for Mac? See warning for previous model at
    Mac Owners Should Hold Off on New Samsung T1 Flash SSD
    http://www.macobserver.com/tmo/article/mac-owners-should-hold-off-on-new-samsung-t1-flash-ssd

    Can it be used to boot Mac and work from it all day long?

    RAID 0 inside as in SanDisk’s 1.92TB Extreme 900 Portable SSD? That is the best way to lose data (2x probability or more). One disk fails (or controller), all lost.

    1. David Ramsey

      The T3 drive comes with the necessary software to run it on a Mac, included the SAT driver mentioned in your link. I tried the drive on a Mac and had two minor issues: the first time I ran the installer, it installed the security software, but not the SAT driver, so the drive was inaccessible. Running the installer again brought up the option to install the SAT driver. Second, the “T3 Login Activator for Mac” utility you need to unlock an encrypted drive doesn’t “see” the T3 if it’s connected when you boot the Mac– you need to unplug the drive and then plug it in again.

      I copied over 200GB of video files to the drive (simply by dragging them over in the Finder) and saw a transfer rate of about 1GB every 7 seconds, or about 140MB/second.

      I don’t see any way to use the T3 as a boot drive for the Mac, since their installer will not install the security software and SAT driver on the T3 itself. You might be able to hack around this by manually transferring a preconfigured system folder, but I wouldn’t recommend it. In any case, an internal SSD would be much faster than a USB 3 SSD.

      1. BeX

        Thanks. I guess you mean when using the T3 security software. I guess, no problem when not using it.

        Sure an internal SSD could be faster, but booting from external Thunderbolt or SSD is very convenient as Mac to Go (like Windows to Go) to carry your stuff and boot from Mac at work and home.

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