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WD Ultrastar DC HC550 WUH721818ALE6L4 - hard drive - 18 TB - SATA 6Gb/s
Hard drive
18 TB
internal
3.5"
SATA 6Gb/s
7200 rpm
buffer: 512 MB
Weight: 0.68 KG
- 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 power efficiency (Watts/TB)
- 2.5M hours MTBF rating
Sales & Technical Enquiries
Similar Products
Product Summary
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.
Main Specifications
- Product Description
- WD Ultrastar DC HC550 WUH721818ALE6L4 - hard drive - 18 TB - SATA 6Gb/s
- Type
- Hard drive - internal
- Capacity
- 18 TB
- Form Factor
- 3.5"
- Interface
- SATA 6Gb/s
- Data Transfer Rate
- 600 MBps
- Buffer Size
- 512 MB
- Spindle Speed
- 7200 rpm
- Features
- Energy-Assisted Magnetic Recording (EAMR), Media Cache Plus, Rotational Vibration Safeguard (RVS), Triple State Actuator (TSA), Two-Dimensional Magnetic Recording (TDMR), Conventional magnetic recording (CMR), HelioSeal
- Dimensions (WxDxH)
- 101.6 mm x 147 mm x 26.1 mm
- Weight
- 690 g
- Manufacturer Warranty
- 5-year warranty
Associated Documents
Product Features
5M hours MTBF and 0. 35% AFR. Unsurpassed reliability rating for Capacity Enterprise HDD for fewer failures/less service needs.
Provides 29% more capacity than 14TB helium-filled drives.
21% lower idle W/TB than 14TB Ultrastar helium-filled drives.
More accurate head positioning, especially in multi-drive environments, for better performance and data integrity.
Maintains drive performance in high rotational vibration environments and multi-drive systems.
Better random write performance.
Provides compatibility with high-performance data centers.
Improves response time and data management.
Retains previous firmware version for safe firmware updates, verified with an RSA signature.
Extended Specification
Disclaimers
- Actual configuration might differ from illustration
