0B42270 WD Ultrastar DC HC330 10TB SATA 256 MB 3.5" Server HDD

High-Performance 3.5in Enterprise SATA HDD featuring CMR capacity density with the 0B42270

The 0B42270 is a WD Ultrastar DC HC330 10TB 3.5in SATA hard drive designed to anchor high-capacity tiers in RAID arrays and JBOD shelves where predictable throughput and operational consistency matter more than flash-class latency.

Built on a 7200RPM CMR recording architecture, the 0B42270 sustains steady write behavior under rebuild and ingest pressure, avoiding the performance variability associated with SMR in mixed workloads. A 256MB cache supports burst handling and queue depth efficiency across common SATA controller and HBA implementations, while 4Kn/512e formatting options help align the drive with modern OS and storage stack requirements. In multi-drive enclosures, rotational vibration (RV) compensation improves stability across densely populated shelves, helping maintain consistent I/O when adjacent drives and chassis fans induce vibration. For regulated environments, the 0B42270 supports TCG Enterprise security capabilities to integrate with compliant key management and data-at-rest policies.

Why Choose the 0B42270?

The 0B42270 delivers an effective density-to-performance balance for enterprise capacity layers, enabling scalable expansion in SATA-based arrays without sacrificing predictable rebuild behavior. With a 24x7 duty profile and 2.0M hours MTBF, the 0B42270 is suited to continuous service in data center racks, remote sites, and backup infrastructure where operational reliability and consistent fleet behavior drive platform availability.

WD’s Ultrastar engineering emphasizes controlled vibration operation, validated firmware behavior, and standards-aligned security to support repeatable deployment across heterogeneous server and storage environments.

Key Applications:

• RAID capacity tiers for SAN/NAS
• JBOD expansion shelves
• Backup repositories
• Log aggregation volumes
• Archive and retention storage

At Happyware - Server Hardware you benefit from non-binding offers tailored to your storage architecture and procurement timelines, and you can extend the warranty up to 6 years to secure long-life deployments of the 0B42270 across larger drive populations.