Toshiba Unveils World's First FC-MAMR HDD: 18 TB, Helium Filled
 

Toshiba this week announced the industry's first hard drive featuring flux-control microwave-assisted magnetic recording (FC-MAMR) technology. The new MG09-series HDDs are designed primarily for nearline and enterprise applications, they offer an 18 TB capacity along with an ultra-low idle power consumption.

https://www.anandtech.com/show/16496...mamr-hdd-18-tb