Western Digital Ultrastar DC HC550 18TB 3.5 inch Data Center SATA Hard Drive
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Brand: Western Digital
- 18TB Storage Capacity
- 3.5″ Form Factor
- SATA III 6 Gb/s Interface
- 512MB Cache
- 7200 rpm
- Up to 269 MB/s Data Transfer Speeds
- Limited 5-Year Manufacturer Warranty
Estimated Delivery: Mon, Mar 02 – Fri, Mar 06
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Original price was: ₹59,999.00.₹50,999.00Current price is: ₹50,999.00.
Total Cost of Ownership (TCO) Drives the Data Center Architecture
Data center decisions are driven by TCO. Higher capacity hard drives play a role in reducing TCO. An 18TB data center HDD provides 29% more capacity than a 14TB HDD in the same form factor. Higher capacity HDDs enable data centers to lower CapEx by reducing hardware- and system-level costs when compared to lower capacity drives. Helium-sealed, low power, high-reliability drives reduce energy and maintenance costs, contributing to OpEx savings. For example, a data center using 18TB HDDs vs. 14TB HDDs requires 22% fewer racks while consuming 21% less power per TB at idle.
Raising the Bar with Advanced Technologies
The WD Ultrastar DC HC550 integrates a suite of technologies on a 9-disk platform to create a new class of HDDs. Its 18TB capacity is achieved by combining technologies that improve areal density with technologies that improve performance and reduce power consumption. It uses Energy-Assisted Magnetic Recording (EAMR) technology to improve writability and increase areal density, while a Triple Stage Actuator (TSA) enhances head-positioning accuracy, delivering better performance and increased areal density. Lastly, this drive uses HelioSeal technology, which is now in its 6th generation.
Trusted Reliability and Quality for Data at Scale
With its massive capacity and 2.5 million hour MTBF reliability rating, the UltraStar DC HC550 is made for object storage implementations. Object storage systems with erasure coding provide better data durability compared to RAID systems, given their tolerance for simultaneous error conditions. The DC HC550 offers security and encryption options to help protect data from unauthorized use, including SED models in both SATA and SAS. A SED-FIPS will be available in SAS configuration.
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 disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical.
The 18TB Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry’s first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.
Product Highlights
- Up to 18TB capacity in a standard 3.5-inch form factor with 7200 RPM
- CMR technology works with all capacity enterprise applications & environments
- Industry’s first Energy-Assisted Magnetic Recording technology
- Industry’s first Triple Stage Actuator
- Leading HelioSeal technology
- Reliable, field-proven design across five generations
- HelioSeal design delivers outstanding power efficiency (Watts/TB)
- 2.5 Million hours MTBF rating and a 5-year limited warranty
Applications and Workloads
- Cloud & Hyperscale Storage
- Massive Scale-Out (MSO), high-density data centers
- Distributed File Systems
- Bulk storage using Object storage solutions like Ceph™ and OpenStack Swift
- Primary and secondary storage for Apache Hadoop® for Big Data Analytics
- Surveillance Analytics
The Ultrastar DC HC550 18TB CMR HDD delivering industry leading capacity for the data center through a combination of new and proven technologies.
Western Digital is the first to deliver Energy-Assisted Magnetic Recording (EAMR) technology and a Triple Stage Actuator (TSA). These new technologies combined with further mechanical innovations and HelioSeal technology provide the industry’s highest capacities to enable data at scale with optimized TCO for data center architectures, while maintaining workload reliability and performance.
| 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 | 269 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 |
| Weight | 1 kg |
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