Ultrastar DC HC320 - 8TB - SAS Interface

Key Points

• 8TB capacity using conventional magnetic recording (CMR) technology.
• 12Gb/s SAS interface for high-speed connectivity.
• Proven 5-disk air platform design in a 3.5-inch form factor.
• Second-generation dual-stage micro actuator for precise head positioning.
• Includes Rebuild Assist technology to minimize RAID rebuild times.
• Hardware-based encryption options available for enhanced data security.
• Designed for 24x7 operation with a 0.44% Annualized Failure Rate (AFR).

The Western Digital Ultrastar DC HC320 is engineered to meet the demands of modern IT environments that require economical yet high-performing storage solutions. By balancing cost-efficiency with rapid data access, this 8TB drive is an ideal choice for traditional server applications, block and file storage architectures, and scalable computing environments. It is built to handle intensive workloads of up to 550TB per year, ensuring consistent performance for critical business operations.

Technological innovation is at the core of the DC HC320, which utilizes a 5-disk air platform and CMR technology to deliver a 12% performance boost over previous generations. The drive incorporates a flash-based non-volatile cache (NVC) and a media cache architecture to optimize write performance and protect data during unexpected power loss. With a 2 million-hour MTBF rating and advanced features like Rebuild Assist, this drive provides the reliability and data protection necessary for enterprise-grade storage systems.