Hard drive - encrypted - 12 TB - internal - 3.5" - SAS 12Gb/s - 7200 rpm - buffer: 256 MB - TCG Encryption (pack of 20)
| Main Specifications | |
|---|---|
| Product Description | WD Ultrastar DC HC520 HUH721212AL4201 - hard drive - 12 TB - SAS 12Gb/s (pack of 20) |
| Type | Hard drive - internal |
| Packaged Quantity | 20 (specifications are for single item) |
| Capacity | 12 TB |
| Hardware Encryption | Yes |
| Form Factor | 3.5" |
| Interface | SAS 12Gb/s |
| Data Transfer Rate | 1.2 GBps |
| Buffer Size | 256 MB |
| Spindle Speed | 7200 rpm |
| Features | Perpendicular Magnetic Recording (PMR), Enterprise, 24x7 availability |
| Dimensions (WxDxH) | 4 in x 5.8 in x 1 in |
| Weight | 23.28 oz |
| Manufacturer Warranty | 5-year warranty |
| General | |
| Packaged Quantity | 20 (specifications are for single item) |
| Device Type | Hard drive - internal |
| Capacity | 12 TB |
| Hardware Encryption | Yes |
| Form Factor | 3.5" |
| Interface | SAS 12Gb/s |
| Buffer Size | 256 MB |
| Bytes per Sector | 4096 |
| Features | Perpendicular Magnetic Recording (PMR), Enterprise, 24x7 availability |
| Width | 4 in |
| Depth | 5.8 in |
| Height | 1 in |
| Weight | 23.28 oz |
| Manufacturer Warranty | |
| Service & Support | Limited warranty - 5 years |
| Power | |
| Power Consumption | 9.8 Watt (active) ¦ 6.1 Watt (idle) |
| Environmental Parameters | |
| Min Operating Temperature | 41 °F |
| Max Operating Temperature | 140 °F |
| Min Storage Temperature | -40 °F |
| Max Storage Temperature | 158 °F |
| 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 |
| Performance | |
| Drive Transfer Rate | 1.2 GBps (external) |
| Seek Time | 8 ms (average) |
| 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 SAS 12 Gb/s |
| Compatible Bay | 3.5" |