HP/HGST Ultrastar DC HC520 HUH721212AL5204 0F29534 12TB 7200 RPM SAS 12Gb/s 512e 3.5in Enterprise Hard Drive MB012000JWDFD 868210-001 (Renewed)

The HP/HGST Ultrastar DC HC520 HUH721212AL5204 (Part Numbers 0F29534) is an enterprise-class 12TB SAS hard drive designed for demanding data center, cloud-scale, and business-critical server and storage environments. This 3.5-inch LFF (Large Form Factor) HDD features a helium-sealed design that reduces internal friction, improving power efficiency and overall reliability in high-density deployments. Operating at a 7,200 RPM spindle speed with a 256MB cache buffer, the drive delivers consistent performance and sustained data transfer rates for enterprise workloads. Equipped with a SAS 12Gb/s interface and 512e sector format, it ensures high-speed connectivity and broad compatibility with modern enterprise systems and RAID controllers. Engineered for 24/7 continuous operation, the drive supports heavy workloads and includes advanced features such as rotational vibration (RV) sensors for stable performance in multi-drive environments, making it ideal for virtualization, cloud storage, analytics, and large-scale backup applications.