WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | 0F30146
0F30146
Form FactorInternal, 3.5"
Capacity12TB
InterfaceSATA
Product Code04:285383
EAN Code0829686005204
ManufacturerWestern Digital
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Product Features
- HelioSeal Technology helps solve challenges facing next generation data centers
Data centers are facing growing pressures. Data volume is expanding, operating costs are rising, yet budgets remain flat. Datacenter ready features like a second generation dual-stage actuator - the Western Digital Micro Actuator - enhance head-positioning accuracy to deliver better performance, data integrity and overall drive reliability, especially in multi-drive environments where operational vibration is present. - Data durability and data security to support compliance and privacy requirements
As drive capacity grows beyond single-digit TBs, object storage systems with erasure coding provide better data durability compared to RAID systems, given its tolerance for simultaneous error conditions. Compliance and privacy requirements drive the need for increased data security. The Ultrastar DC HC520 offers security and encryption options to help protect data from unauthorized use, including TCG SAS models.
Special Fetures
- Reliable, field-proven design
- Ready for capacity-optimized workloads
- Lower power consumption
Product Specification
| Device Type | Hard drive - internal |
| Capacity | 12 TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Buffer Size | 256 MB |
| Bytes per Sector | 512 |
| Features | Dual Stage Actuator (DSA), Secure Erase function, HelioSeal, 24x7 continuous operation, Enhanced Rotational Vibration Safeguard (RVS), advanced format 512e, Dynamic fly height technology |
| Width | 101.6 mm |
| Depth | 147 mm |
| Height | 26.1 mm |
| Weight | 660 g |
| Performance | |
| Drive Transfer Rate | 600 MBps (external) |
| Internal Data Rate | 255 MBps |
| Seek Time | 8 ms (average) / 8.6 ms (max) |
| Average Latency | 4.16 ms |
| Spindle Speed | 7200 rpm |
| Reliability | |
| MTBF | 2,500,000 hours |
| 24x7 Operation | Yes |
| Non-Recoverable Errors | 1 per 10^15 |
| Load / Unload Cycles | 600,000 |
| Expansion & Connectivity | |
| Interfaces | 1 x SATA 6 Gb/s |
| Compatible Bay | 3.5" |
| Power | |
| Power Consumption | 6.9 Watt (active) ¦ 5 Watt (idle) |
| Miscellaneous | |
| Compliant Standards | RoHS 2011/65/EU |
| Manufacturer Warranty | |
| Service & Support | Limited warranty - 5 years |
| Environmental Parameters | |
| Min Operating Temperature | 5 °C |
| Max Operating Temperature | 60 °C |
| Min Storage Temperature | -40 °C |
| Max Storage Temperature | 70 °C |
| Shock Tolerance (operating) | 70 g @ 2 ms half-sine wave |
| Shock Tolerance (non-operating) | 300 g @ 2 ms half-sine wave |
| Vibration Tolerance (operating) | 0.67 g @ 5-500 Hz |
| Vibration Tolerance (non-operating) | 1.04 g @ 2-200 Hz |
