Western Digital Ultrastar DC HC560 WUH722020ALE604 0F38761 20TB 7.2K RPM CMR SATA 6Gb/s 512e 3.5in Enterprise HDD

• 20TB capacity in a standard 3.5-inch form factor
• 7,200 RPM spindle speed and 512MB cache
• Built with Western Digital's Ultrastar DC HC560 platform, engineered for 24/7 operation in demanding data center environments with 2.5 million hours MTBF rating for mission-critical workloads
• Standard SATA III connectivity ensures broad compatibility with existing server and storage infrastructure while delivering up to 6 gigabits per second interface speed
• Hermetically sealed helium-filled enclosure reduces internal turbulence and power consumption while enabling higher capacity and improved reliability over air-filled drives

The Western Digital (formerly HGST) Ultrastar DC HC560 WUH722020ALE604 0F38761 is a high-capacity, enterprise-class internal hard disk drive designed for demanding data center and server applications. This 3.5-inch drive offers a substantial 20TB of storage using reliable Conventional Magnetic Recording (CMR) technology and features Western Digital's innovative helium-sealed design, which seals the drive with helium to provide outstanding power efficiency and lower total cost of ownership through reduced power and weight. It operates at a consistent 7,200 RPM spindle speed and connects via a SATA 6Gb/s interface, delivering sustained data transfer speeds of up to 291 MB/s. The drive is engineered for 24/7 continuous use with an impressive 2.5 million hour Mean Time Between Failures (MTBF) rating and a 550 TB per year workload rating, making it ideal for massive scale-out data centers, cloud storage, and big data analytics. It also incorporates advanced technologies like Energy-Assisted Magnetic Recording (EAMR), and a Triple-Stage Actuator (TSA) to boost performance and areal density.