Western Digital 10TB Ultrastar SAS Hard Drive

WD Ultrastar DC HC330 3.5-inch 10TB SAS Internal HDD – 0B42258

Compatibility Note

This is a SAS hard drive, NOT a SATA drive. It requires a compatible SAS controller, server, storage enclosure, or backplane. It will not work in standard desktop SATA-only systems.

The WD Ultrastar DC HC330 10TB SAS Internal Hard Drive is an enterprise-class storage solution designed for data centres, servers, storage arrays, backup systems, and demanding business environments. Built for high-capacity, high-reliability storage, this 3.5-inch drive delivers dependable performance for organisations that require large-volume data storage with fast and stable access.

With a 10TB capacity, the Ultrastar DC HC330 provides ample storage for business data, virtualisation, backup repositories, archive storage, surveillance servers, file servers, and enterprise storage systems. Its 7200 RPM spindle speed, 256MB buffer, and 12Gb/s SAS interface help deliver strong performance for continuous workloads and multi-drive environments.

The 0B42258 model uses a SAS 12Gb/s interface with 512e formatting, making it suitable for compatible enterprise servers, SAS controllers, and storage enclosures. As part of the Ultrastar data centre range, the HC330 is built for reliability, efficient operation, and long-term deployment in professional storage infrastructure.

Key Features

• 10TB enterprise-class storage capacity

• 3.5-inch internal hard drive

• 12Gb/s SAS interface

• 512e sector format

• 7200 RPM spindle speed

• 256MB data buffer

• Typical maximum sustained transfer rate up to 262MB/s

• Designed for data centre and enterprise storage environments

• Rotational Vibration Safeguard technology

• Dual-stage actuator for improved positioning accuracy

• S.M.A.R.T. monitoring support

• Power-saving modes and low-RPM idle mode support

• Load/unload mechanism for improved drive protection

• Suitable for servers, storage arrays, backup systems, and business-critical storage

Ideal For

• Enterprise servers

• Data centre storage systems

• SAS storage arrays

• Backup and archive storage

• Virtualisation environments

• Business file servers

• High-capacity storage expansion

• Professional IT infrastructure

• Long-term data retention systems

Technical Specifications

• Brand: Western Digital / WD Ultrastar

• Series: Ultrastar DC HC330

• Part Number: 0B42258

• Model Number: WUS721010AL5204

• Capacity: 10TB

• Form Factor: 3.5-inch

• Interface: SAS 12Gb/s

• Format: 512e

• Spindle Speed: 7200 RPM

• Buffer Size: 256MB

• Typical Max Sustained Transfer Rate: Up to 262MB/s

• Max Interface Transfer Rate: 1200MB/s

• Height: 26.1mm max

• Width: 101.6mm

• Length: 147mm max

• Weight: Up to 750g

• Security Type: Base SE, non-encrypting version

Why Choose the WD Ultrastar DC HC330?

The WD Ultrastar DC HC330 is built for professional environments where capacity, performance, and reliability matter. With 10TB of enterprise-grade storage, a fast SAS interface, 7200 RPM performance, and a large 256MB cache, it is a strong choice for businesses, IT installers, and system integrators needing dependable high-capacity storage.