HGST HUH721212ALE601 12TB SATA 6Gb/s 3.5-inch Server Hard Drive

The HGST Ultrastar DC HC520 (HUH721212ALE601) is a helium-sealed, 12TB enterprise-class internal hard drive with a 3.5-inch SATA 6Gb/s interface. Designed for high-density data centers, it delivers exceptional capacity with a 7200RPM spindle speed and a substantial 256MB cache. Featuring fourth-generation HelioSeal technology, it offers improved reliability, lower power consumption, and efficient thermal performance. With a workload rating of up to 550TB per year and a rated Mean Time Between Failures (MTBF) of approximately 2.5 million hours, this Ultrastar drive is built for nearly continuous operation in demanding environments.

Key Features

• Massive Storage Capacity: 12TB in a standard 3.5″ form factor.
• Performance Profile: 7200RPM and 256MB cache support sustained high throughput.
• Helium-Sealed Design: Fourth-gen HelioSeal technology enhances efficiency and enables higher platter density.
• Enterprise Reliability: Rated for up to 2.5 million hours MTBF, with a workload allowance of ~550TB per year.
• Advanced Recording & Security: Utilizes perpendicular magnetic recording (PMR) and includes secure options such as Instant Secure Erase (ISE) or Self-Encrypting Drive (SED).

The Ultrastar DC HC520 HUH721212ALE601 offers enterprise-grade 12TB capacity, energy-efficient helium sealing, robust performance, and proven reliability, making it ideal for 24/7, high-density deployments in data centers and hyperscale storage systems.