Western Digital WUH722020BL4207 Hard Disk Drive

The Western Digital WUH722020BL4207 is a 20TB 3.5-inch enterprise SAS hard disk drive in the Ultrastar DC HC560 family, built for high-capacity data center storage. It spins at 7200 RPM, features 512MB of cache, and uses 512e sector formatting with EAMR on a Helium platform, delivering a transfer rate up to 291 MB/s via a SAS 12Gb/s interface. As an internal HDD designed for enterprise servers and storage arrays, it supports cloud infrastructure deployments and large-scale data center operations requiring reliable, scalable storage. MPN: WUH722020BL4207 / 0F38604. Common applications include server upgrades, storage expansion, and replacements within enterprise environments.