Seagate's Mozaic 3+ HAMR Platform: Ushering in a New Era of HDD Capacities

This section will introduce Seagate's new Mozaic 3+ platform, the industry's first hard disk drive (HDD) platform utilizing heat-assisted media recording (HAMR). It will outline the significance of this technology in advancing HDD capacities.

Jan 16, 2024 - 20:15
Jan 17, 2024 - 20:41
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Seagate's Mozaic 3+ HAMR Platform: Ushering in a New Era of HDD Capacities

Overview of the Mozaic 3+ Platform

Focusing on the technical aspects, this part will detail the Mozaic 3+ platform's key features, including its new media, write and read heads, and controller. It will discuss how these components contribute to the platform's functionality.

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The Role of HAMR in Increasing Areal Recording Density

Here, the article will delve into the specifics of heat-assisted magnetic recording (HAMR) technology. It will explain how HAMR works to significantly increase the areal recording density of magnetic media.

Innovations in Media and Recording Techniques

Analyzing the innovations in media, this section will describe the iron-platinum superlattice structure of the Mozaic 3+'s magnetic layer. It will also discuss the new plasmonic writer sub-system and its role in heating the media for recording.

Glass Disks and Their Advantages

Focusing on the use of glass disks in the Mozaic 3+ platform, this part will explore the benefits of using glass over traditional materials for HDD platters, including longevity and reduced media grain size.

Addressing Magnetic Inter-Track Interference (ITI)

This section will discuss the challenges posed by magnetic inter-track interference (ITI) due to smaller media grains. It will detail Seagate's solutions, including the introduction of the new Gen 7 Spintronic Reader.

The Gen 7 Spintronic Reader: A Breakthrough in Magnetic Field Reading

An in-depth look at the Gen 7 Spintronic Reader will be provided here. This part will cover its design, touted as the "world's smallest and most sensitive magnetic field reading sensors," and its impact on reading accuracy.

Implications for Cloud Datacenters and Storage

Discussing the practical applications of the Mozaic 3+ platform, this section will focus on its use in Seagate's upcoming Exos hard drives. It will consider the benefits for cloud datacenters, especially those requiring 30TB capacity or higher.

Comparisons to Previous HDD Technologies

Providing a comparative analysis, this part will look at how the Mozaic 3+ platform and its use of HAMR technology differ from or improve upon previous HDD technologies.

The Future of HDDs and Data Storage

Speculating on the future developments in HDD technology, this section will consider the long-term impact of Seagate's Mozaic 3+ platform on the data storage industry.

Challenges and Future Directions in HDD Development

Addressing the challenges faced in developing the Mozaic 3+ platform, this part will also consider the future directions in HDD development, including potential improvements and new technologies.

Conclusion: The Dawn of a New HDD Era

Concluding the article, this section will summarize the potential of the Mozaic 3+ HAMR platform in revolutionizing HDD capacities and reflect on what this means for the future of data storage.

Additional Resources and Further Reading

Finally, suggestions for further reading and resources for those interested in learning more about HDD technology, data storage solutions, and technological advancements will be provided.