Toshiba is trying to meet up with Western Digital and Seagate within the high-capacity HDD market. Utilizing applied sciences similar to Shingled Magnetic Recording (SMR), Vitality-assisted Perpendicular Magnetic Recording (ePMR), and Warmth-assisted magnetic recording (HAMR), distributors have been capable of push magnetic disk capacities to as a lot as 20 TB in a comparatively compact type issue. The race to ship 30 TB drives has already began, and WD and Seagate are getting a headstart.
Showa Denko, the world’s largest unbiased disc producer, has confirmed that it has developed a new implementation of MAMR expertise referred to as MAS-MAMR (Microwave Assisted Magnetic Recording). Toshiba already gives MAMR HDDs with FC-MAMR (Flux Management Microwave Assisted Magnetic Recording), however the MAS-MAMR possibility narrows the bandwidth used on the plate in comparison with FC-MAMR, permitting extra knowledge to be saved per unit disk area.
This requires an appropriate learn/write head which is supplied by TDK. It’s speculated that MAS-MAMR can have a capability of as much as 30 TB, and the drives can be launched in Toshiba’s second-generation MAMR HDDs. The precise time-frame for the launch remains to be not identified, however going by trade tendencies, it’ll occur someday in 2023.
For the primary time, all three HDD distributors are going with totally different approaches to achieve the identical conclusion. WD is betting on HAMR, ePMR, and MAMR whereas Seagate can be counting on PMR and HAMR (Gen 2). Toshiba, then again, goes all-in with MAMR and its varied implementations to hit the 30 TB mark by 2023.