ePMR
The Future of HDDs Begins Now
Today marks a new milestone for Western Digital – with our company separation now complete, we are once again fully focused on our pioneering hard disk drive (HDD) business. Our rich history of delivering top-notch HDD innovation has defined us for decades, and I am excited for us to further deepen our commitment to delivering […]
February 22, 2025 • 4 min read Technology
Explained: HDD Areal Density
Have you ever wondered how hard drives manage to store vast amounts of data in such a small space? In part, this is made possible by areal density—the driving factor in HDD capacity. This is areal density, explained. What is areal density? Areal density is the amount of data that can be stored per square […]
October 10, 2023 • 3 min read Technology
HDD ReImagined: OptiNAND™ Insights from Western Digital Leaders
Western Digital leaders hosted a virtual event, Reimagine HDD, and introduced the company’s breakthrough OptiNAND technology platform.
September 10, 2021 • 3 min read Products
How Western Digital Created OptiNAND™, a New Flash-Enhanced HDD Architecture
To meet increasing demand for digital storage, Western Digital created a flash-enhanced drive architecture that will improve performance, reliability, and increase capacity.
August 31, 2021 • 9 min read Technology
The Magnetic Attraction of ePMR
In conducting research and development toward other energy-assisted magnetic recording (EAMR) technologies, Western Digital engineers discovered a way to significantly increase HDD capacity using ePMR, or energy-assisted perpendicular magnetic recording.
August 19, 2021 • 7 min read Products