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

For testing, the drives are all wiped and reset to factory settings by HDDerase V4. We try to use free or easily available programs and some real-world testing so you can compare our findings against your own system.
This is a good way to measure potential upgrade benefits.

Main system:
Intel Core i7-7700K with 16GB of DDR4-3200 RAM,  Sapphire R9 390 Nitro and an Asus Prime Z270-A motherboard.

Other drives:
Seagate NAS 8TB
Seagate Exos X16 16TB
Seagate Exos X14 14TB
Seagate Exos X20 20TB
Seagate IronWolf Pro 14TB
Seagate BarraCuda Pro 12TB
Seagate IronWolf Pro 12TB
Seagate IronWolf Pro 18TB
Seagate IronWolf Pro 20TB
Seagate IronWolf 10TB
Toshiba MG08ACA16TE 16TB
Toshiba N300 8TB
Toshiba NAS N300 14TB
Toshiba P300 3TB
Toshiba X300 6TB
WD Gold 12TB
WD Black 6TB
WD Black 4TB
WD Red 4TB
WD Red 8TB

Software:
Atto Disk Benchmark.
CrystalMark 6.0.0.
IOMeter.
PCMark 10 Data Drive Benchmark.

All our results were achieved by running each test five times with every configuration this ensures that any glitches are removed from the results.

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