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WD Black SN850 1TB 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 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.

The 1TB Black SN850 is rated as up to 7,000MB/s for Sequential reads and up to 5,300MB/s for writes. Although we couldn’t hit those maximums with the ATTO benchmark, the test results of 6,510MB/s for reads and 4,840MB/s for writes are the fastest we have seen to date for a PCIe Gen 4 drive.


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