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Samsung Portable SSD T5 2TB Review

To test the drive we formatted it using the NTFS file system.

Crystalmark is a useful benchmark to measure theoretical performance levels of hard drives and SSD’s. We are using V3.0.3.

The ATTO Disk Benchmark performance measurement tool is compatible with Microsoft Windows. Measure your storage systems performance with various transfer sizes and test lengths for reads and writes. Several options are available to customize your performance measurement including queue depth, overlapped I/O and even a comparison mode with the option to run continuously.

Use ATTO Disk Benchmark to test any manufacturers RAID controllers, storage controllers, host adapters, hard drives and SSD drives and notice that ATTO products will consistently provide the highest level of performance to your storage.

AS SSD is a great free tool designed just for benching Solid State Drives. It performs an array of sequential read and write tests, as well as random read and write tests with sequential access times over a portion of the drive. AS SSD includes a sub suite of benchmarks with various file pattern algorithms but this is difficult in trying to judge accurate performance figures.


Samsung quote transfer rates for the T5 as up to 540MB/s for reads and 515MB/s for writes. Using the ATTO benchmark our tested drive fell a little short of the maximum quoted speed at 522MB/s but the write performance at 531MB/s was better than the offical figure.

When it comes to write performance when dealing with the small bity files of everyday use, the T5 performs very well.  At a queue depth of 1 it produced a score of 105.3MB/s in CrystalDiskMark and the performance remains strong at deeper queue depths, producing a score of 127.6MB/s at queue depth of 32.

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