HAMR uses this property of magnetic materials to its advantage. A tiny laser within the hard drive temporarily spot-heats the area being written, so that it briefly reaches a temperature where the …

HAMR is the next significant innovation to increase “areal density”—the amount of data stored on a disk. HAMR will fuel hard drive product development and growth through the next decade.

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Apr 19, 2024 · Seagate has published a blog that seeks to "set the record straight" about the reliability of heat-assisted magnetic recording (HAMR) technology hard disks.

Nov 6, 2025 · HAMR drives work like standard HDDs but with a built-in laser. Before each bit is written, the tiny laser spot-heats that platter region up to several hundred °C, briefly lowering its coercivity.

Dec 18, 2024 · HAMR stands for Heat-Assisted Magnetic Recording. It’s a cutting-edge technology designed to significantly increase the data storage capacity of hard disk drives (HDDs).

May 23, 2025 · After more than 20 years of development and $1 billion in R&D investment, HAMR is now a mature, manufacturable technology. It relies on integrated lasers to heat the magnetic …

6 days ago · The HAMR ramp is reshaping Seagate’s financial profile, with higher-capacity drives set to expand margins, enhance cost efficiency and strengthen its long-term value.

Feb 17, 2025 · HAMR is a heat assisted magnetic recording technology which allows a much larger amount of data to be stored on traditional hard drives. To achieve this, a laser that temporarily heats …

Jul 1, 2024 · At the heart of HAMR technology lies the heat-assisted magnetic recording mechanism, which involves the localized heating of the recording medium using a laser beam.