Seagate's HAMR hard drive's shingled magnetic recording technology has a capacity increase of only about 10%, but its performance is poor.

Seagate Technology recently released the new Mozaic 3 (Magic Color Box 3) platform, which adopts heat-assisted magnetic recording (HAMR) technology. This advancement is of great significance to the mechanical hard drive industry. However, according to foreign media Blocks & Files, a certain technology choice of the platform has attracted industry attention.

Reports indicate that Seagate recently adopted shingled magnetic recording (SMR) technology in its Mozaic 3 mechanical hard drive. However, according to reports, the technology is not as effective as expected in increasing hard drive capacity. Although SMR technology allows the write tracks of the hard disk to partially overlap to accommodate more tracks in the same space, the advantages of this technology have not been fully utilized on the Mozaic 3 platform.

It is understood that the maximum capacity of the CMR version of the Seagate Exos Mozaic 3 mechanical hard drive is 30TB, while the capacity of the corresponding SMR version is only increased to 32TB, an increase of 6.67%. In comparison, its competitor Western Digital's CMR mechanical hard drive has a maximum capacity of 24TB, while the SMR version can reach 28TB, an increase of 16.67%. It can be seen that on the Mozaic 3 mechanical hard drive, the capacity improvement effect of SMR technology is not obvious.

Jason Zimmerman, senior director of product line management at Seagate, confirmed to foreign media that Seagate officially observed that on the Mozaic 3 (Magic Color Box 3) platform, the use of SMR (Shingled Magnetic Recording) technology is better than CMR (Conventional Magnetic). Recording) technology can bring about 10% capacity gain. Although this value is slightly higher than the 6.67% of the actual product on sale, it is still lower than the level of other mechanical hard drives. According to the editor's understanding, this may be due to the fact that the tracks of the Mozaic 3 mechanical hard drive are overall narrower and closer to each other, resulting in SMR technology being unable to tap into a similar proportion of capacity potential as before.

Despite this, Seagate is still confident in the Mozaic 3 (Magic Color Box 3) platform and looks forward to its future technological innovations and breakthroughs. For consumers, the launch of this new platform will provide more choices and possibilities for the data storage industry.

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