Description & Specifications
Western Digital Ultrastar DC HC590 – 26TB SATA
The Western Digital Ultrastar® DC HC590 26TB SATA hard drive sets a new standard in data density and enterprise-class storage. Purpose-built for hyperscale environments and long-term archival workloads, the HC590 combines energy-assisted PMR (ePMR), HelioSeal® technology, OptiNAND™, and ArmorCache™ to provide extreme capacity, reliability, and performance.
With support for both 512e and 4Kn sector formats, and an ultra-efficient helium-filled 3.5-inch design, the 26TB variant offers the ultimate storage-per-rack ratio for organizations focused on reducing TCO while scaling storage infrastructure to meet explosive data growth.
- Industry-leading 26TB capacity for extreme data density
- Built with OptiNAND™, ArmorCache™, and helium-based architecture
- High sustained transfer rate of up to 298 MB/s
- 2.5 million hour MTBF and 5-year limited warranty
Specifications – 26TB Ultrastar DC HC590 SATA
| Attribute | Specification |
|---|---|
| Model Number | WUH722626ALxxyz |
| Capacity | 26TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6 Gb/s |
| Recording Technology | CMR |
| Sector Formats | 512e / 4Kn |
| Areal Density | 1190 Gbits/in² |
| Data Buffer | 512 MB |
| Rotational Speed | 7200 RPM |
| Average Latency | 4.16 ms |
| Interface Transfer Rate | 600 MB/s |
| Sustained Transfer Rate | 298 MB/s (284 MiB/s) |
| MTBF | 2.5 million hours |
| AFR | 0.35% |
| Load/Unload Cycles | 600,000 |
| Error Rate | 1 in 1015 bits read |
| Power - Idle | 5.6 W |
| Power - Operating | 6.9 W |
| Power Efficiency (Idle) | 0.215 W/TB |
| Shock - Operating | 40G (2ms) |
| Shock - Non-Operating | 200G (2ms) |
| Temperature - Operating | 5°C to 60°C |
| Temperature - Non-Operating | -40°C to 70°C |
| Acoustics (Idle / Seek) | 2.0 Bels / 3.2 Bels |
| Dimensions (L x W x H) | 5.787" x 4.0" x 1.028" |
| Weight | 1.47 lbs (0.67 kg) |
| Country of Assembly | Thailand |
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