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Description & Specifications
The Western Digital Ultrastar® DC HA340 10TB is designed for enterprise environments where consistent performance, high capacity, and reliability are essential. Built with CMR recording and air-based drive technology, this 3.5-inch SATA hard drive delivers robust data throughput while maintaining energy efficiency.
The 10TB variant is ideal for large-scale deployments such as backup servers, cloud storage platforms, and high-density NAS environments. It features enhanced reliability, advanced vibration protection, and an industry-leading 550TB/year workload rating — making it a dependable solution for 24/7 operation.
- 512MB cache and 7200 RPM for consistent, high-speed performance
- 2 million-hour MTBF for mission-critical reliability
- Efficient idle power usage of 8.4W and improved W/TB ratio
- 5-year limited warranty for long-term peace of mind
If your workloads demand scalable, resilient storage with dependable throughput, the Ultrastar DC HA340 10TB delivers all that — and more.
Specifications – 10TB Ultrastar DC HA340
| Attribute | Specification |
|---|---|
| Model Number | WUS721210BLE604 / WUS721210BLE6L4 |
| Form Factor | 3.5-inch |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Drive Technology | Air |
| Interface | SATA 6 Gb/s |
| Sector Format | 512e |
| Areal Density | 1022 Gbits/in² |
| RoHS Compliant | Yes |
| Data Cache | 512 MB |
| Rotational Speed | 7200 RPM |
| Average Latency | 4.16 ms |
| Internal Transfer Rate | 6 Gb/s (max) |
| Sustained Transfer Rate | 267 MB/s (max) / 255 MiB/s |
| Random Read / Write IOPS | 150 / 465 (4K, QD16) |
| MTBF | 2,000,000 hours (projected) |
| Annualized Failure Rate (AFR) | 0.44% |
| Load/Unload Cycles | 600,000 |
| Non-Recoverable Error Rate | <1 in 1015 bits read |
| Availability | 24x7 |
| Workload Rating | Up to 550TB/year |
| Warranty | 5 years |
| Power - Operating (Typical) | 9.2 W |
| Power - Idle | 8.4 W |
| Power Efficiency at Idle | 0.84 W/TB |
| Shock - Operating | 70G (2ms) |
| Shock - Non-Operating | 250G (2ms) |
| Temperature - Operating | 5°C to 60°C |
| Temperature - Non-Operating | -40°C to 70°C |
| Vibration - Operating | 0.67G RMS (5–500 Hz) |
| Vibration - Non-Operating | 1.04G RMS (2–200 Hz) |
| Acoustic (Idle / Operating) | 3.4 / 3.9 Bels |
| Dimensions (H x L x W) | 1.028 in x 5.787 in x 4.0 in (26.1 mm x 147 mm x 101.6 mm) |
| Weight | 1.65 lb (750 g) |
| Country of Assembly | Thailand |
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