Western Digital Ultrastar DC HC320 8TB 3,5 inch SAS 12Gb/s enterprise pevný disk (HUS728T8TAL5204)

Data centers and enterprise storage systems demand hard drives that deliver uncompromising reliability, high capacity, and consistent performance under 24/7 workloads. The Western Digital Ultrastar DC HC320 8TB SAS hard drive addresses these challenges with a proven enterprise-grade design, offering a massive 8TB capacity, fast 12Gb/s SAS interface, and a 7200 RPM spindle speed. This drive is engineered to handle up to 550TB per year, making it an ideal choice for cloud storage, hyperscale environments, and data-intensive applications where downtime is not an option.

Who is it for

This drive is built for IT professionals, system integrators, and data center operators who need dependable storage for servers, RAID arrays, and enterprise backup systems. It suits organizations that require high-capacity, hot-swappable drives with low total cost of ownership and robust data protection features.

Main features

• 8TB storage capacity for large-scale data storage
• 3.5-inch form factor with SAS 12Gb/s interface for high throughput
• 7200 RPM spindle speed and 256MB cache buffer for responsive performance
• Designed for 24/7 enterprise workloads with 2.0 million hours MTBF
• Rotational Vibration Safeguard (RVS) for reliable operation in multi-drive enclosures
• Hot-swap support for easy maintenance and scalability

Specifications

• Capacity: 8 TB
• Form Factor: 3.5-inch
• Interface: SAS 12Gb/s
• Spindle Speed: 7200 RPM
• Cache Buffer: 256 MB
• Sustained Transfer Rate: Up to 255 MB/s
• MTBF: 2.0 Million Hours
• Workload Rating: 550 TB per year
• Sector Size: 512e (512-byte Emulation)
• Idle Power Consumption: 6.9 W
• Operating Power Consumption: 11.4 W
• Drive Type: HDD (Hard Disk Drive)
• Application: Enterprise / Data Center
• Hot-Swap Support: Yes
• Vibration Protection: Rotational Vibration Safeguard (RVS)
• Head Load/Unload Cycles: 600,000
• Non-recoverable Read Errors: 1 per 10^15 bits read

Tips

For optimal performance and longevity, ensure proper airflow and cooling in your server or storage enclosure. Use a compatible SAS controller or HBA to take full advantage of the 12Gb/s interface speed. When deploying multiple drives in RAID arrays, enable Rotational Vibration Safeguard to minimize performance degradation caused by vibration from adjacent drives.