WD CRU HE10 8TB SAS 4KN SE

Data centers face relentless pressure to store more while keeping costs and complexity in check. The WD Ultrastar DC HC320 answers with a helium-sealed 8TB drive that delivers high capacity, low power, and proven reliability for enterprise servers and storage arrays. Its 4KN native sector format and SAS 12Gb/s interface ensure seamless integration into modern infrastructures, while self-encrypting technology protects data at rest without performance penalties.

Who is it for

IT managers, system integrators, and cloud service providers who need dependable, high-capacity storage for tiered workloads, backup, and archival. It is ideal for environments where uptime, data security, and total cost of ownership are critical.

Main features

• 8TB capacity in a standard 3.5-inch form factor
• SAS 12Gb/s interface for high throughput and dual-port redundancy
• 4KB native (4KN) sector size for efficient large-file performance
• HelioSeal technology: helium-filled drive reduces power and increases density
• Self-Encrypting Drive (SED) with Instant Secure Erase (ISE)
• Rotational Vibration Safeguard (RVS) for multi-drive environments
• 7200 RPM spindle speed and 256MB cache buffer
• 550 TB/year workload rating for always-on operation

Specifications

• Capacity: 8 TB
• Interface: SAS 12Gb/s
• Form Factor: 3.5-inch
• Spindle Speed: 7200 RPM
• Cache: 256 MB
• Sector Size: 4KB Native (4KN)
• Sustained Transfer Rate: 243 MB/s
• MTBF: 2.5 million hours
• Workload Rate Limit: 550 TB/year
• Encryption: SED with ISE
• Drive Technology: HelioSeal (helium-filled)
• Power (Idle): 5.0 W
• Power (Operating): 7.0 W
• Operating Temperature: 5°C to 60°C
• Humidity (Non-condensing): 5% to 90%
• Shock (Operating): 70 G (2 ms half-sine)
• Acoustics (Idle): 2.0 Bels
• Warranty: 5 Years Limited

Tips

Pair this drive with a SAS controller that supports 4KN sector sizes to avoid performance degradation. For secure decommissioning, use Instant Secure Erase to cryptographically wipe data in seconds. Ensure adequate airflow in dense enclosures to maintain the specified operating temperature range.