WD Ultrastar DC HC550 18TB SATA SE Server HDD

Western Digital Ultrastar DC HC550 18TB HDD is an enterprise-class storage solution designed to scale in data centers that demand reliability, performance, and efficiency.

With 18 TB of capacity in a standard 3.5-inch form factor and a 7200 RPM spindle, this drive is built to handle large-scale workloads, backups, and archival tasks with steadiness and predictability.

• Massive capacity for scale-out storage — 18 TB per drive enables higher density and lower total cost of ownership in data-center environments.
• High, consistent performance — 7200 RPM with strong sustained transfer rates up to 262–269 MB/s supports demanding workloads.
• Enterprise-class reliability — designed for 24x7 operation with a long MTBF and a multi-year warranty to match data-center SLAs.
• Energy efficiency built for the data center — HelioSeal technology and Energy-Assisted Magnetic Recording reduce power and cooling requirements.
• Security options for data at rest — Self-Encrypting Drive (SED) capabilities enhance data protection where needed.
• Designed for data-center workloads — ideal for cloud storage, object storage, Hadoop/OpenStack deployments, and bulk storage architectures.