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Software | Windows 11 Pro |
Earlier this week, Western Digital was in the line of fire when it emerged that several of its WD Red family of "NAS-optimized" hard drives allegedly employ some form of shingled magnetic recording (SMR), a physical-layer data writing technique that maximizes density at a heavy cost of random write performance that effectively makes the HDDs unfit for use in RAID volumes, and in turn most NAS applications that commonly employ RAID and encourage end-users to build RAID volumes for data redundancy. A new report by Blocks & Files finds that the issue is more widespread than previously thought, and that even Seagate employs it without disclosure on certain models.
Several of Seagate's higher capacity Barracuda desktop internal hard drives use SMR without disclosing it in their data-sheets. These include the 8 TB ST8000DM004, and 5 TB ST5000DM000. Both these drives are sold under the Barracuda Compute brand, which markets "home servers, entry-level DAS, and desktop computers" among its use-cases. Seagate does market its Archive and Exos lines of HDDs are employing SMR, but mention of the technique is buried in their data-sheets, and not prominently in product marketing or packaging. Archive and Exos are targeted at bulk cold storage setups where capacity is more important than performance. Meanwhile, Toshiba has confirmed that its Desktop HDDs too employ SMR. The company's MQ04 2.5-inch and DT02 3.5-inch HDDs employ "managed SMR" (i.e. use conventional recording and switch to SMR as the platters are running out of space).
View at TechPowerUp Main Site
Several of Seagate's higher capacity Barracuda desktop internal hard drives use SMR without disclosing it in their data-sheets. These include the 8 TB ST8000DM004, and 5 TB ST5000DM000. Both these drives are sold under the Barracuda Compute brand, which markets "home servers, entry-level DAS, and desktop computers" among its use-cases. Seagate does market its Archive and Exos lines of HDDs are employing SMR, but mention of the technique is buried in their data-sheets, and not prominently in product marketing or packaging. Archive and Exos are targeted at bulk cold storage setups where capacity is more important than performance. Meanwhile, Toshiba has confirmed that its Desktop HDDs too employ SMR. The company's MQ04 2.5-inch and DT02 3.5-inch HDDs employ "managed SMR" (i.e. use conventional recording and switch to SMR as the platters are running out of space).
View at TechPowerUp Main Site