Western Digital Ultrastar DC HC520 internal hard drive 12 TB 7200 RPM 256 MB 3.5" SAS
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- 12 TB 3.5" 7200 RPM SAS
- HDD
- Storage drive buffer size: 256 MB
- 12 Gbit/s
- 660 g
The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard drives. Built using HelioSeal technology, the industry’s only fifth-generation helium platform, the DC HC500 series is designed for public and private cloud environments, where storage density, Watts/TB and $/TB are critical for creating the most cost-efficient infrastructure. HelioSeal technology is key to achieving higher drive capacities, greater reliability ratings and extreme power efficiency. The result is a lower Total Cost of Ownership (TCO) for our cloud and enterprise customers.
| Features | |
|---|---|
| Mean time between failures (MTBF) | 2500000 h |
| Start/stop cycles | 600000 |
| 24/7 operation | Yes |
| Average latency | 4.16 ms |
| HDD average transfer rate | 255 MB/s |
| HDD sustained transfer rate | 243 MiB/s |
| HDD interface transfer rate | 12 Gbit/s |
| Storage drive buffer size | 256 MB |
| Type | HDD |
| Interface | SAS |
| HDD size | 3.5" |
| HDD speed | 7200 RPM |
| HDD capacity | 12 TB |
| Power | |
|---|---|
| Operating voltage | 5 / 12 V |
| Power consumption (idle) | 5 W |
| Power consumption (typical) | 6.9 W |
| Operational conditions | |
|---|---|
| Non-operating shock | 300 G |
| Operating shock | 70 G |
| Non-operating vibration | 1.04 G |
| Operating vibration | 0.67 G |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating temperature (T-T) | 5 - 60 °C |
| Weight & dimensions | |
|---|---|
| Weight | 660 g |
| Height | 26.1 mm |
| Depth | 147 mm |
| Width | 101.6 mm |
| Logistics data | |
|---|---|
| Harmonized System (HS) code | 84717050 |
