20TB WD Ultrastar DC HC560 7200RPM 512MB SATA III Enterprise HDD - 0F38785 / WUH722020ALE6L4
Western Digital Ultrastar DC HC560 20TB enterprise HDD. 7200 RPM, 512MB cache, SATA III 6Gb/s. Features OptiNAND, HelioSeal, CMR for cloud/hyperscale storage. Up to 291MB/s transfer, 2.5M hours MTBF, 3.5-inch form factor.
Available in 4–6 business days : 4 pieces
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The WD Ultrastar DC HC560 is a 20TB high-capacity enterprise hard drive designed for 24/7 operation in demanding environments like cloud storage, hyperscale data centers, and big data analytics. Featuring the first implementation of OptiNAND technology on a nine-disk platform (2.2TB/platter), it delivers unmatched capacity with reliable CMR recording technology.
With 7200 RPM spindle speed, 512MB cache, and SATA III 6Gb/s interface, this drive achieves sustained transfer rates up to 291 MB/s. Advanced technologies including EAMR, TSA (Triple Stage Actuator), and HelioSeal helium-sealed design ensure power efficiency, lower weight, and industry-leading reliability with a projected 2.5 million hours MTBF and 550TB/year workload rating.
- ✅ 20TB capacity in standard 3.5-inch form factor (26.1mm height)
- ✅ OptiNAND, ePMR, HelioSeal for maximum efficiency and capacity
- ✅ Enterprise-grade: 2.5M MTBF, 5-year warranty, SED options available
- ✅ Ideal for cloud, hyperscale, distributed file systems, bulk storage
- ✅ Hot-plug support and 600K load/unload cycles
| Capacity | 20TB |
| Form Factor | 3.5-inch |
| Spindle Speed | 7200 RPM |
| Cache Size | 512MB |
| Transfer Rate | Up to 291 MB/s |
| Recording Technology | CMR, OptiNAND, EAMR |
| MTBF | 2.5 million hours |
| Workload Rating | 550TB/year |
| Number of Disks | 9 (2.2TB/platter) |