The Western Digital WUH721010AL5204 is a 10TB enterprise-class SAS hard drive from the Ultrastar DC HC330 series, featuring a 3.5-inch form factor, 7200 RPM, 256MB cache, and a 12Gb/s SAS interface with dual-port connectivity for improved fault tolerance and redundancy. Built on a proven air platform using CMR technology, it delivers robust data integrity, high throughput, and dependable performance under demanding workloads. Ideal for cloud storage infrastructures, big data analytics, and heavy-duty enterprise environments. With a 2 million-hour MTBF, it offers an optimal balance of capacity, reliability, and data security for enterprise storage deployments.