Brand: Western Digital | Category: Enterprise HDDs
SKU: WEST-WUH721008AL5204 | Part #: WUH721008AL5204 | MPN: WUH721008AL5204
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The Western Digital Ultrastar DC HC670 8TB is a 3.5-inch SAS enterprise hard drive engineered for 24/7 continuous operation in demanding storage infrastructure. Launched in Q3 2022, the HC670 line represents the evolution of Ultrastar's proven platform, delivering sustained performance and reliability for server attached storage (SAS) arrays that remain prevalent in banking, telecom, and large-scale archival deployments. The drive combines 8TB capacity in a standard form factor, enabling organizations to maximize storage density while maintaining compatibility with installed SAS controller infrastructure.
Designed with enterprise workloads in mind, the HC670 features optimized mechanical architecture for reduced vibration and thermal stability, supporting multi-drive RAID configurations with minimal performance degradation. The drive's command queuing and native command queueing (NCQ) capabilities enhance responsiveness in high-concurrency environments typical of transactional databases and real-time analytics platforms. Western Digital's proven lubrication systems and head-disk interface technology ensure extended service life across continuous duty cycles.
The SAS interface variant maintains strong market traction within organizations operating legacy SAS-attached storage arrays, particularly in the financial services and telecommunications sectors where proven, backward-compatible solutions take precedence over rapid technology transitions. This positioning allows banks and telecom operators to expand capacity and replace drives without requiring broader storage infrastructure upgrades.
| Manufacturer | Western Digital |
| Product Line | Ultrastar DC HC670 |
| Capacity | 8TB |
| Form Factor | 3.5-inch |
| Interface | SAS 12Gb/s |
| Spindle Speed | 7200 RPM |
| Average Seek Time | 8.5ms |
| Data Transfer Rate | 272 MB/s sustained |
| Cache | 256MB |
| Workload Rating | Enterprise 24/7 continuous operation |
| Duty Cycle | 100% |
| Mean Time Between Failures (MTBF) | 2.5 million hours |
| Annual Workload | 550TB |
| Operating Temperature Range | 0°C to 60°C |
| Non-Operating Temperature Range | -40°C to 70°C |
| Power Consumption (Read/Write) | 8.4W |
| Power Consumption (Idle) | 5.1W |
| Physical Dimensions | 101.6mm(W) × 146.99mm(D) × 26.1mm(H) |
| Weight | 600g |
| Launch Date | Q3 2022 |
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| Brand | Western Digital |
| Category | Enterprise HDDs |
| SKU | WEST-WUH721008AL5204 |
| Part Number | WUH721008AL5204 |
| Condition | New |
| Product Line | Ultrastar DC HC670 |
| Capacity | 8TB |
| Form Factor | 3.5-inch |
| Interface | SAS 12Gb/s |
| Spindle Speed | 7200 RPM |
| Average Seek Time | 8.5ms |
| Data Transfer Rate | 272 MB/s sustained |
| Cache | 256MB |
| Workload Rating | Enterprise 24/7 continuous operation |
| Duty Cycle | 100% |
| Mean Time Between Failures (MTBF) | 2.5 million hours |
| Annual Workload | 550TB |
| Operating Temperature Range | 0°C to 60°C |
| Non-Operating Temperature Range | -40°C to 70°C |
| Power Consumption (Read/Write) | 8.4W |
| Power Consumption (Idle) | 5.1W |
| Physical Dimensions | 101.6mm(W) × 146.99mm(D) × 26.1mm(H) |
| Weight | 600g |
| Launch Date | Q3 2022 |