Western Digital Ultrastar DC HC560 20TB HDD Review

1. Introduction2. WD Ultrastar DC HC560 20TB3. Testing Methodology4. CrystalDiskMark5. ATTO Disk Benchmark6. IOMeter 4K Random Performance7. Throughput8. Workload Scenarios9. Real Life File Transfer Tests10. 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.

WD quote a maximum sustained transfer rate of 269MB/s for the drive. Using the ATTO benchmark we could confirm that figure with test results just shy of the maximum figure with reads at 260MB/s and writes of 261MB/s.

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