WESTERN DIGITAL ULTRASTAR DC HC550 - 16TB HARD DISK
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The WESTERN DIGITAL ULTRASTAR DC HC550 - 16TB HARD DISK is engineered for demanding enterprise environments, delivering advanced storage capabilities with groundbreaking technologies to meet modern data center demands.
Key Features at a Glance
- CMR technology compatible with all capacity enterprise applications and environments.
- Features industry-first Energy Assisted-Magnetic Recording technology.
- Equipped with the industry's first Triple Stage Actuator.
- HelioSeal design for outstanding power efficiency (Watts/TB).
Universal Compatibility for Enterprise
This hard disk leverages CMR (Conventional Magnetic Recording) technology, ensuring seamless integration and reliable performance across all capacity enterprise applications and environments. Its broad compatibility makes it a versatile choice for diverse data center needs.
Advanced Recording Technology
Experience cutting-edge data storage with the industry's first HDD to incorporate Energy Assisted-Magnetic Recording (EAMR) technology. This innovation contributes to enhanced data density and reliable performance for your data workloads.
Precision Performance with Triple Stage Actuator
Benefit from the precision and stability offered by the industry's first Triple Stage Actuator. This design optimizes head positioning, leading to improved accuracy and consistent operation for critical workloads and demanding applications.
Superior Power Efficiency
The HelioSeal design enables outstanding power efficiency, measured in Watts per terabyte. This advanced technology helps reduce operational costs and environmental impact in high-density data center deployments, offering long-term value.
Technical Specifications
| Specification | Details |
|---|---|
| Capacity | 16TB |
| Form Factor | 3.5-Inch |
| Connector | SATA |
| Interface | SATA |
| Transfer Rate | Up to 262MB/s |
| Disk Speed (RPM) | 7200 RPM |
| Recording Technology | EAMR |
| Cache Size | 512MB |
| Security | SE |
| Warranty | 5-Year Limited Warranty |
| Dimensions (L x W x H) | 147mm x 101.6mm x 26.1mm |
| Weight | 690g |
| Operating Temperature | 5°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
| Drive | 3.5" |
| Certifications | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
Frequently Asked Questions
Q: What recording technology does the WESTERN DIGITAL ULTRASTAR DC HC550 use?
A: It utilizes CMR (Conventional Magnetic Recording) technology, compatible with all capacity enterprise applications and environments.
Q: Does this hard disk incorporate any new technologies?
A: Yes, it is the industry's first HDD with Energy Assisted-Magnetic Recording technology and the industry's first with a Triple Stage Actuator.
Q: How does the design of this hard disk contribute to efficiency?
A: It features a HelioSeal design, which delivers outstanding power efficiency (Watts per terabyte).

