Seagate innovates its fastest HDD

The second-generation Exos 2x series still wants to conquer with data transfer speed.

It’s been almost a year and a half since Seagate gave HDDs a new level of speed, as in the spring of last year they unveiled the 14 TB Exos 2×14 model, which deployed the long-developed multi-actuator technology. The essence of this is that the arms placed in the HDD are divided into two separate groups, and they can move independently of each other. Logically, we can talk about two separate HDDs within a frame, and the controller still manages the built-in platters.

Versions offering higher capacity will be developed, as the Exos 2x construction will be available with 16 and 18 TB storage. In both cases, the same motor rotates 7,200 times per minute, and thanks to the Mach.2 design, this still enables a data transfer speed of up to 554 MB/s, while reading and writing respectively achieve 304 and 560 IOPS can be set at a pace of Based on the parameters, Seagate has somewhat optimized the performance, so they offer a small improvement compared to its predecessor.

The Exos 2×16 and 2×18 are also two logical data storage units, the former uses two 8 TB blocks, while the latter uses two 9 TB blocks, but like the previous model, they look like one large HDD to the operating system. By the way, the solutions in question, operating with CMR technology, received a cache of 256 MB.

Seagate continues to target the product line for data centers, and versions of both capacities are available with 12 Gbps SAS and 6 Gbps SATA interfaces. There will be a significant difference in operation between them, because in the case of the SAS drive, the system can manage the two logical storage arrays thanks to the development of the protocol, but using the SATA port requires application-side help for this.

The new Seagate Exos 2×16 and 2×18 HDDs can already be ordered by the company’s partners, but there is no information on pricing.


Source: Hírek és cikkek – PROHARDVER! by prohardver.hu.

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