WD Red Pro 20TB HDD Review

1. Introduction2. WD Red Pro 20TB3. Testing Methodology4. CrystalDiskMark5. ATTO Disk Benchmark6. 4K Random Performance7. Throughput8. Workload Scenarios9. Real Life File Testing10. Closing Thoughts11. View All Pages

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

The official performance rating of the drive is up to 269MB/s. We couldn't hit that maximum figure with the ATTO benchmark but with a read result of 260MB/s with writes at 261MB/s, we were certainly in the ballpark.

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