Western Digital Ultrastar DC HC690 32TB SMR Enterprise HDD

The Western Digital Ultrastar DC HC690 is a 32TB enterprise hard disk drive built on Western Digital's UltraSMR (Shingled Magnetic Recording) technology, purpose-engineered for hyperscale cold storage and archival workloads demanding the lowest footprint per terabyte. The drive leverages a 10-disk helium-sealed platform with OptiNAND integration, enabling tighter track density and dramatically increased areal capacity while maintaining the mechanical reliability expected of enterprise-class storage hardware. Its architecture is optimized for sequential write-intensive workloads where data is written once and read infrequently, making it a natural fit for large-scale object storage deployments.

UltraSMR differs from conventional CMR (Conventional Magnetic Recording) by writing tracks in an overlapping shingled pattern, which reduces per-track width and increases overall capacity but requires host-managed or drive-managed write sequencing. The HC690 is designed for host-managed SMR (HMSMR) operation, meaning the host storage software stack—such as those found in Ceph, OpenZFS, or hyperscaler-proprietary object storage systems—is responsible for managing band boundaries and sequential write streams. This approach yields maximum capacity utilization while placing sequencing intelligence at the software layer where it can be tuned for specific workload profiles.

Targeting cloud service providers, hyperscale data centers, and archival storage infrastructure operators, the Ultrastar DC HC690 is designed to be deployed in high-density JBOD and rack-scale storage enclosures. Its SATA 6Gb/s interface ensures broad compatibility with existing enterprise storage controllers and enclosures, while its low idle power consumption supports efficient operation in always-on, densely populated storage arrays where power and cooling budgets are tightly managed. The drive carries Western Digital's enterprise-class rotational vibration (RV) compensation, enabling reliable operation in multi-drive chassis environments.

Ideal for

• Hyperscale object storage clusters (e.g., Ceph RADOS, OpenStack Swift) requiring maximum raw capacity per rack unit with host-managed SMR software stacks
• Cold and archival data lakes storing infrequently accessed regulatory, compliance, or historical records at the lowest possible capacity-per-drive overhead
• Cloud service provider backup targets and secondary storage tiers where sequential write throughput and density outweigh random I/O performance requirements
• High-density JBOD enclosure deployments in colocation and hyperscale facilities optimizing power-to-capacity ratios across large storage pods
• Media and entertainment deep archive repositories storing raw footage, renders, and master content with infrequent retrieval patterns
• Research and scientific data repositories—such as genomics, seismic, or telescope survey data—where petabyte-scale sequential ingestion and long-term retention are primary requirements

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.