Western Digital Ultrastar DC HC550 16TB 3.5 inch Data Center SATA Hard Drive

- 16TB Storage Capacity
- 3.5″ Form Factor
- SATA III 6 Gb/s Interface
- 512MB Cache
- 7200 rpm
- Up to 262 MB/s Data Transfer Speeds
- Limited 5-Year Manufacturer Warranty
- Delivery & Return
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₹54,999.00 Original price was: ₹54,999.00.₹48,499.00Current price is: ₹48,499.00.
Western Digital WD Ultrastar DC HC550 16TB SATA 6Gb/s 7200RPM 3.5-Inch Data Center HDD (WUH721816ALE6L4)
Feature
Total Cost of Ownership (TCO) Drives the Data Center Architecture

Raising the Bar with Advanced Technologies

Trusted Reliability and Quality for Data at Scale
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 16TB 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 16TB 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 16TB 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.
| General | |
| Device Type | Hard drive – internal |
| Capacity | 16 TB |
| Model Number | WUH721816ALE6L4 |
| Form Factor | 3.5″ |
| Interface | SATA 6Gb/s |
| Buffer Size | 512 MB |
| Features | Rotational Vibration Safeguard (RVS), HelioSeal, Conventional magnetic recording (CMR), Media Cache Plus, Two-Dimensional Magnetic Recording (TDMR), Energy-Assisted Magnetic Recording (EAMR), Triple State Actuator (TSA) |
| 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) | 50 g @ 2 ms half-sine wave |
| Shock Tolerance (non-operating) | 250 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 |
| Width | 4 in |
| Depth | 5.8 in |
| Height | 1 in |
| Weight | 24.34 oz |
| Expansion & Connectivity | |
| Interfaces | 1 x SATA 6 Gb/s |
| Compatible Bay | 3.5″ |
| Performance | |
| Drive Transfer Rate | 600 MBps (external) |
| Internal Data Rate | 262 MBps |
| Average Latency | 4.16 ms |
| Spindle Speed | 7200 rpm |
| Reliability | |
| MTBF | 2,500,000 hours |
| 24×7 Operation | Yes |
| Non-Recoverable Errors | 1 per 10^15 |
| Load / Unload Cycles | 6,00,000 |
| Power | |
| Power Consumption | 6.5 Watt (typical) ¦ 5.6 Watt (idle) |
| Manufacturer Warranty | |
| Service & Support | Limited warranty – 5 years |
| Weight | 1 kg |
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Q & A
Western Digital Ultrastar DC HC550 16TB 3.5 inch Data Center SATA Hard Drive
- Headphones
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- Seagate Barracuda
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