WD Ultrastar DC HC310 6TB 7200RPM SATA 6Gb/s 3.5" Internal HDD – Renewed, Model 0B36039

Overview

The Western Digital Ultrastar DC HC310 6TB drive is built for data-center use, delivering a balanced blend of capacity, speed, and durability. With 6 TB of storage and a 7200 RPM spindle, it is designed to handle demanding enterprise workloads with steady, predictable performance.

Performance and reliability

Featuring a 256 MB cache and sustained transfer rates up to approximately 255 MB/s on 512e/4Kn formats, the drive supports fast data movement, ideal for backups, virtualization, and large-scale archiving. The dual-stage micro-actuator enhances head positioning accuracy, helping maintain consistent throughput in multi-drive RAID or dense storage environments.

• Enterprise-grade MTBF up to 2 million hours and a 5-year warranty, supporting 24x7 operation.
• High workload rating around 550 TB/year, enabling heavier data activity without compromising efficiency.

Interface and compatibility

The 6 Gb/s SATA interface ensures straightforward integration with standard server and NAS controllers, while the 3.5" form factor matches common enterprise chassis. It supports both 512e and 4Kn sector formats and includes a non-volatile cache to improve write reliability.

• Backward compatibility with legacy SATA ports aids upgrades in older systems.
• Non-volatile cache helps smooth bursts and maintain data integrity in power-variable environments.

Durability and design

Designed for robust data-center operation, the Ultrastar DC HC310 includes vibration-resistant mechanics and advanced error-recovery controls, making it a practical option for storage arrays, DAS, and NAS deployments that demand steady uptime.

Use cases

• Storage arrays and RAID configurations in server rooms.
• Direct-attached or network-attached storage for business-critical data.
• Large-scale archiving and distributed file systems requiring reliable throughput.
• Legacy drive replacement where capacity and reliability matter.

In short, the WD Ultrastar DC HC310 6TB provides a balance of capacity, speed, and enterprise-grade features in a 3.5" form factor, suitable for organizations evaluating cost-effective upgrades to their data-center storage footprint. This renewed unit may appeal to teams prioritizing steady performance, broad compatibility, and a familiar enterprise-grade feature set.