Western Digital Ultrastar 0B47076 internal hard drive 4 TB 7200 RPM 256 MB 3.5" Serial ATA

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Western Digital Ultrastar 0B47076 internal hard drive 4 TB 7200 RPM 256 MB 3.5" Serial ATA

Designed for demanding data centre environments, the Western Digital Ultrastar DC HA340 delivers exceptional reliability with a projected 2.0 million-hour mean time between failures (MTBF). This 4 TB internal hard drive combines proven enterprise-grade engineering with high-capacity storage, making it an ideal choice for 24/7 operation, server workloads, and archival applications where uptime and data integrity are paramount.

- 4 TB storage capacity offers ample space for large databases, multimedia archives, and virtualised environments

- 7200 RPM spindle speed ensures consistent read/write performance for mixed workload patterns

- 256 MB cache buffer accelerates data access and improves overall system responsiveness

- 3.5-inch form factor fits standard desktop and server drive bays with Serial ATA (SATA) 6 Gb/s interface

- Ultrastar DC HA340 series leverages fifth-generation HelioSeal technology for enhanced power efficiency and lower operating temperatures

- Projected 2.0 million-hour MTBF reflects rigorous testing and field-proven reliability

- Designed for 550 TB per year workload rating, supporting continuous data writing and reading

Whether you are upgrading a NAS, building a high-availability storage array, or deploying cloud infrastructure, the Western Digital Ultrastar 0B47076 delivers the endurance and performance you can rely on.

GTIN: 0829686008908