Crucial X9 Pro 2TB External SSD Review

The drive came formatted as exFAT. To carry out our benchmarks we re-formatted the drive to NTFS.

CrystalDiskMark is a useful benchmark to measure the theoretical performance levels of hard drives and SSDs. We are using V7.

The ATTO Disk Benchmark performance measurement tool is compatible with Microsoft Windows. Measure your storage system 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 manufacturer's 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.

Using the ATTO, AS SSD and CrystalDiskMark 8 benchmarks we couldn't hit those maximum official figures. The best read figure we saw, 1,028MB/s, came from a number of CrystalDiskMark 8 test runs using the same QD8 1T settings with both incompressible and compressible data. Write performance was even further away from the official rating. The best write result we saw of 934MB/s came from the ATTO benchmark testing.

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