Western Digital Ultrastar (HGST) HC550 18TB Enterprise Hard Drive WUH721818ALE6L4
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Western Digital Ultrastar (HGST) HC550 18TB Enterprise Hard Drive WUH721818ALE6L4
Overview :
High Capacity for Massive Data and Lower Total Cost of Ownership
Extreme Capacity
18TB CMR HDD for hyperscale, cloud, and enterprise storage
Areal Density
9-disk platform with 6th generation HelioSeal technology and energy assisted recording drives capacity/density leadership
TCO
Cost-optimized configurations for every important capacity point
Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers
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.
Solves TCO Challenges
- High Capacity – Up to 18TB HDDs, drop-in ready for Big Data workloads
- Low Power – Up to 58% lower idle W/TB than 8TB Ultrastar air-filled drives
- More Reliable – 25% higher MTBF rating than air-filled HDDs
| brands | WESTERN DIGITAL |
|---|---|
| capacity | 18 TB |
| form-factor | 3.5 INCH |
| Hard Drive Type | Internal hard drive |
| Form Factor | 3.5″ |
| Form Factor (metric) | 8.9 cm |
| Form Factor (Short) | 3.5″ |
| Form Factor (Short) (metric) | 8.9 cm |
| Storage Interface | Serial ATA-600 |
| Interface | Serial ATA-600 |
| Capacity | 18 TB |
| Average Latency | 4.16 millisecond |
| Data Transfer Rate | 600 MBps |
| Internal Data Rate | 262 MBps |
| Spindle Speed | 7200 revolutions per minute |
| Buffer Size | 512 megabyte |
| Non-Recoverable Errors | 1 per 10^15 |
| Load / Unload Cycles | 6,00,000 |
| 24×7 Operation | Yes |
| Features | Media Cache Plus, Rotational Vibration Safeguard (RVS), Two-Dimensional Magnetic Recording (TDMR), Conventional magnetic recording (CMR), Triple State Actuator (TSA), Energy-Assisted Magnetic Recording (EAMR), HelioSeal |
| Interfaces | 1 x SATA 6 Gb/s |
| Compatible Bay | 3.5″ |
| Power Consumption | 5.6 Watt (idle), 6.5 Watt (typical) |
| MTBF | 2,500,000 Hours |
| Width | 4 inch |
| Depth | 5.8 inch |
| Height | 1 inch |
| Weight | 24.34 ounce |
| Type | 5-year warranty |
| Shock Acceleration (Operating) | 50 gram |
| Shock Duration (Operating) | 2 ms half-sine wave |
| Shock Acceleration (Non-operating) | 250 gram |
| Shock Duration (Non-operating) | 2 ms half-sine wave |
| Vibration Acceleration (Operating) | 0.67 gram |
| Vibration Frequency Range (Operating) | 5-500 Hz |
| Vibration Acceleration (Non-operating) | 1.04 gram |
| Vibration Frequency Range (Non-operating) | 2-200 Hz |
| Min Operating Temperature | 41 degree Fahrenheit |
| Max Operating Temperature | 140 degree Fahrenheit |
| Min Storage Temperature | -40 degree Fahrenheit |
| Max Storage Temperature | 158 degree Fahrenheit |
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