The Western Digital Ultrastar DC HC320 8TB is a high-performance, enterprise-class 3.5-inch hard disk drive designed for demanding 24x7 workloads in data centers and server environments. Featuring a 7200 RPM spindle speed paired with a large 256 MB cache, this HDD delivers sustained transfer rates up to approximately 255 MB/s, ensuring efficient data throughput for bulk storage and intense workload applications.

Built on an advanced five-disk air platform with Conventional Magnetic Recording (CMR), the drive offers robust reliability through technologies such as a second-generation dual-stage micro actuator for precise head positioning, rotational vibration safeguard (RVS), and non-volatile cache (NVC) to protect data integrity during unexpected power loss.

This model supports 6 Gb/s SATA interface and features 512e advanced format sectors optimized for enterprise workloads requiring up to 550 TB per year. It is suitable for cloud applications, distributed file systems (e.g., Apache Hadoop), direct and network attached storage (DAS/NAS), RAID arrays, and surveillance or industrial applications.

With a remarkable Mean Time Between Failures (MTBF) of 2 million hours and backed by a 5-year limited warranty, the Ultrastar DC HC320 provides a proven combination of capacity, performance, and power efficiency, helping lower total cost of ownership while protecting valuable data assets in mission-critical environments.

For further technical details, please visit the [official Western Digital Ultrastar DC HC320 product page](https://www.westerndigital.com/en-au/products/internal-drives/data-center-drives/ultrastar-dc-hc320-hdd).