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Tag: Shingled Magnetic Recording

Shingled magnetic recording (SMR) is a hard disk drive technology that enables tracks on a platter to overlap, like roof shingles on a house, increasing platter density. This is a cost-effective way of increasing capacity for high-end hard disk drives  (HDDs). The downside is that re-writes are slow because data must be written sequentially so the writer doesn’t destroy data on the overlapping tracks.