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Samsung X5 1TB Review

Out of the factory the drive is formatted as exFAT so for testing purposes we reformatted it to NTFS.

For the Thunderbolt 3 interface we used an Asus add-in card. Thanks to Asus for their support with this. You can see more information on this card on the ASUS site, over HERE.

Crystalmark is a useful benchmark to measure theoretical performance levels of hard drives and SSD’s. We are using V6.0.

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 Sequential performance figures for the 1TB X5 as up to 2,800MB/s and 2,300MB/s for reads and writes respectively.

We couldn't reach either of the maximum figures for the drive under testing in either the ATTO or AS SSD benchmarks but even so, 2,500MB/s for reads and 2,059MB/s for writes are very impressive for an external drive to say the very least.

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