OVERVIEW :
Intended Use & Design
Part of the Ultrastar DC HC300-series, the HC330 is built for modern data center use, including storage arrays, rack-mounted enclosures, and server-based distributed systems. It balances capacity, performance, and cost efficiency.
Performance Specs
Capacity: 10 TB
Interface Options: 6 Gb/s SATA or 12 Gb/s SAS 
Spindle Speed: 7,200 RPM, using CMR (Conventional Magnetic Recording) for consistent performance 
Cache Buffer: 256 MB, aiding performance under heavy load 
Sustained Data Rate: Up to ~262 MB/s 
Reliability & Endurance
MTBF (Mean Time Between Failures): ~2 million hours, one of the highest reliability ratings for air-filled drives
Annual Workload Rating: Up to 550 TB per year, making it suited for 24/7 use 
Enterprise Features: Includes Rotational Vibration Safeguard (RVS), dual-stage micro actuator, non-volatile cache, self-encrypting drive (SED) versions, and sanitize/erase functionality
 
WARRANTY DETAILS :
Manufacturer’s Warranty: Comes with a 5-year limited warranty, reflecting its enterprise-class durability.
Models & Variants: Available in both base (SE) and self-encrypting (SED) versions, with specified model numbers for SATA (WUS721010ALE6L4) and SAS interfaces.