WD Ultrastar DC HC520 12TB SAS 3.5″ 256MB HUH721212AL520y HDD Hard Disk Drive

**WD Ultrastar DC HC520 12TB SAS HDD (HUH721212AL520y):** A high-capacity enterprise-grade hard drive designed for data-intensive environments. Features 12TB storage, 7200 RPM speed, and a 12Gb/s SAS interface for rapid data transfer. Built with HelioSeal? technology (helium-filled design) to enhance reliability, reduce power consumption, and enable higher storage density. Offers 256MB cache for improved performance, 550TB/year workload rating, and advanced rotational vibration protection for stability in multi-drive systems. Includes TCG encryption for data security. Backed by a 2.5M-hour MTBF and 5-year warranty, it excels in cloud storage, data centers, and enterprise applications, prioritizing durability, scalability, and energy efficiency.