WD Ultrastar DC HC555 14 TB 3.5 inch Internal Hard Drive - SAS 12Gb/s - 7200 RPM - 512 MB Cache - Self-Encrypting Drive (SED)

The WD Ultrastar DC HC555 is a high-capacity 14 TB internal hard drive designed for data center and enterprise environments. With a 3.5-inch form factor, SAS 12Gb/s interface, and 7200 RPM spindle speed, it delivers reliable performance for demanding workloads. The drive features a 512 MB cache and Self-Encrypting Drive (SED) technology for enhanced data security. Built with HelioSeal technology, it offers low power consumption and high reliability, with an MTBF of 2.5 million hours and a workload rating of 550 TB per year.

Advantages

This drive provides massive storage capacity in a compact 3.5-inch form factor, making it ideal for scaling data center storage. The SAS 12Gb/s interface ensures fast data transfer rates, while the 7200 RPM speed and 512 MB cache optimize performance for read and write operations. The Self-Encrypting Drive (SED) feature helps protect sensitive data without impacting performance. HelioSeal technology reduces power consumption and improves reliability, making it a cost-effective solution for enterprise storage.

Suitable for

• Data centers requiring high-capacity, reliable storage
• Enterprise servers and storage arrays
• Cloud and hyperscale environments
• Applications with high workload demands (up to 550 TB/year)

Key specifications

• Storage Capacity: 14 TB
• Form Factor: 3.5-inch
• Interface: SAS 12Gb/s
• Spindle Speed: 7200 RPM
• Cache Memory: 512 MB
• Encryption: Self-Encrypting Drive (SED)
• Advanced Format: 512e
• Technology: HelioSeal
• MTBF: 2.5 million hours
• Workload Rating: 550 TB per year
• Sustained Transfer Rate: Up to 255 MB/s
• Power Consumption (Idle): 5.7 W
• Power Consumption (Operating): 7.0 W
• Operating Temperature: 5°C to 60°C
• Shock Resistance (Operating): 70 G (2 ms half-sine)
• Vibration Resistance (Operating): 0.67 G RMS (5 to 500 Hz)
• Additional Features: PowerChoice, Rebuild Assist

Recommendations

For optimal performance in enterprise environments, pair this drive with a compatible SAS controller and ensure proper cooling. The SED feature requires management software for encryption key setup. Ideal for bulk storage, backup, and archival applications.