WD Ultrastar DC HC560 20TB SAS 3.5″ 512MB WUH722020BL5201 HDD Hard Disk Drive

**WD Ultrastar DC HC560 20TB SAS HDD Summary**
A high-capacity 20TB enterprise-grade HDD designed for data-intensive environments, featuring a SAS interface (12 Gbps) for rapid data transfer and reliability in 24/7 operations. Key highlights include HelioSeal technology (helium-filled design) for reduced power consumption, enhanced durability, and maximized areal density. With 512MB cache, it ensures high performance for heavy workloads, while advanced vibration tolerance optimizes scalability in multi-drive systems. Built for data centers, cloud storage, and enterprise applications, it offers a 2.5M-hour MTBF rating, ensuring mission-critical resilience and lower TCO through energy efficiency and massive storage scalability.