WD Ultrastar DC HC550 16TB SATA SE Data Centre Server HDD

Western Digital Ultrastar DC HC555 16TB Enterprise HDD is a purpose-built 3.5-inch hard drive designed for cloud-scale data centers and server environments. The product image showcases a single, high-capacity Ultrastar drive ready to expand your storage footprint with enterprise-grade reliability.

With a 16TB capacity, this drive delivers expansive, dependable storage for data-intensive workloads. A 7200 RPM mechanical design paired with a 512MB cache provides steady throughput to support data-heavy applications, virtual machines, and large-scale backups. The 3.5-inch form factor and SATA III (6Gb/s) interface ensure broad compatibility with common enterprise servers and storage arrays.

Designed for durability in nonstop operation, the Ultrastar DC HC555 uses HelioSeal technology to offer a sealed, oil-free design that enhances reliability and efficiency in dense server environments. This combination helps minimize power consumption and operational risk while maximizing uptime in 24/7 data-center workloads.

Engineered for enterprise workloads, this drive is rated to handle up to 550TB/year, making it a robust choice for always-on data centers that require consistent performance and long-term endurance. Whether powering backups, archival storage, or virtualization platforms, it delivers steady service in mission-critical storage environments.

• Capacity: 16TB
• Form factor: 3.5-inch enterprise HDD
• Interface: SATA III 6Gb/s
• Rotation speed: 7200 RPM
• Cache: 512MB
• Technology: HelioSeal for improved reliability and efficiency
• Workload rating: up to 550TB/year (24/7 data-center workloads)
• Use case: Enterprise-grade storage for data centers and server deployments