WD Black SN850X with Heatsink 2TB SSD Review

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 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.

We are using version 4.0 for our NVMe disk tests.

Using the ATTO benchmark, the best Sequential performance we saw from the drive was 6,820MB/s for reads and 6,230MB/s for writes, someway short of the official maximums of 7,300MB/s and 6,600MB/s for reads and writes respectively. While the results were not as good as the official figures they are stronger than the results we saw from the previous Black SN850.

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