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May 22, 2021 03:30 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/v8hgioIv56U/seagates-new-mach2-is-the-worlds-fastest-conventional-hard-drive
Seagate's New Mach.2 Is the World's Fastest Conventional Hard Drive
An anonymous reader quotes a report from Ars Technica: Seagate has been working on dual-actuator hard drives -- drives with two independently controlled sets of read/write heads -- for several years. Its first production dual-actuator drive, the Mach.2, is now "available to select customers," meaning that enterprises can buy it directly from Seagate, but end-users are out of luck for now. Seagate lists the sustained, sequential transfer rate of the Mach.2 as up to 524MBps -- easily double that of a fast "normal" rust disk and edging into SATA SSD territory. The performance gains extend into random I/O territory as well, with 304 IOPS read / 384 IOPS write and only 4.16 ms average latency. (Normal hard drives tend to be 100/150 IOPS and about the same average latency.) The added performance requires additional power; Mach.2 drives are rated for 7.2 W idle, while Seagate's standard Ironwolf line is rated at 5 W idle. It gets more difficult to compare loaded power consumption because Seagate specs the Mach.2 differently than the Ironwolf. The Mach.2's power consumption is explicitly rated for several random I/O scenarios, while the Ironwolf line is rated for an unhelpful "average operating power," which isn't defined in the data sheet. Still, if we assume -- probably not unreasonably -- a similar expansion of power consumption while under load, the Mach.2 represents an excellent choice for power efficiency since it offers roughly 200% of the performance of competing traditional drives at roughly 144% of the power budget. Particularly power-conscious users can also use Seagate's PowerBalance mode -- although that feature decreases sequential performance by 50% and random performance by 10%.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/v8hgioIv56U/seagates-new-mach2-is-the-worlds-fastest-conventional-hard-drive
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