Products Details

The Western Digital Ultrastar DC HC550 WUH721818ALE604 is a high-capacity 18TB enterprise-class 3.5-inch hard drive, purpose-built to meet the growing storage demands of cloud infrastructure, data centers, and enterprise-grade applications. With its advanced design, this drive delivers industry-leading efficiency, reliability, and performance for always-on environments.

Equipped with a SATA 6Gb/s interface and spinning at 7,200 RPM, the HC550 offers fast data throughput and consistent read/write performance. It utilizes 512e sector formatting, providing compatibility with modern enterprise storage systems and improved storage efficiency. Additionally, this model supports the Power Disable feature, allowing for remote power cycling—a valuable capability for rack-level energy management and automation in large-scale deployments.

Built on Western Digital’s HelioSeal® technology, the HC550 is filled with helium, which reduces air resistance, minimizes vibration, and lowers power consumption—enabling more platters in the same standard 3.5-inch form factor. Rated for a 550TB/year workload and an MTBF of 2.5 million hours, this hard drive is engineered for long-term reliability and performance under demanding 24/7 workloads.

Whether you're upgrading existing servers or expanding your storage infrastructure, the Ultrastar DC HC550 delivers the high storage capacities and enterprise-level dependability modern organizations require.

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Now available at Twin X Technology, your trusted provider for surveillance and enterprise-grade storage solutions.