WD Ultrastar DC HC560 20TB - 7200 RPM 512MB SATA III Enterprise HDD - 0F38785

The WD Ultrastar DC HC560 is a high-capacity 20TB enterprise hard drive designed for data centers, cloud storage, hyperscale environments, and 24/7 operation. Featuring 7200 RPM spindle speed, 512MB cache, and SATA III 6Gb/s interface, it delivers sustained transfer rates up to 291 MiB/s. Advanced technologies including OptiNAND, EAMR (Energy-Assisted Magnetic Recording), TSA (Triple Stage Actuator), and 7th-generation HelioSeal helium-sealed design ensure reliability, power efficiency, and compatibility with all-capacity enterprise applications.

Built on a nine-disk platform (2.2TB/platter) with CMR recording, this 3.5-inch drive offers an industry-leading 2.5 million hours MTBF, 550 TB/year workload rating, and 5-year limited warranty. Model 0F38785 is the SATA SE (Standard Encrypt) variant; SED self-encrypting options available separately. Ideal for massive scale-out storage, distributed file systems, big data analytics, and bulk storage solutions like Ceph.

• ✅ 20TB capacity, 7200 RPM, 512MB cache
• ✅ SATA III 6Gb/s, up to 291 MiB/s sustained
• ✅ 2.5M hours MTBF, 550 TB/yr workload
• ✅ OptiNAND, EAMR, HelioSeal technologies
• ✅ 5-year warranty, enterprise-grade reliability