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ST2000LM015 Seagate 2.5″ hard drive with a storage capacity of 2TB and featuring a SATA interface. ST2000LM015 Seagate BarraCuda Pro 2TB 5400RPM SATA 6Gb/s 128MB Cache 2.5-inch Hard Drive. WD platter sizes: https://rml527.blogspot.com/2010/10/hdd-platter-database-western-digital-35_9883.html While the vast majority of the Seagate BarraCuda 2.5" 4 TB HDDs will use a four-platter configuration, some Seagate customers have apparently requested a five-platter configuration. Obviously, being based on 800 GB platters, such drives have lower areal density and, perhaps, different performance and behavior.
New technology such as HAMR (Heat Assisted Magnetic Recording, Seagate) or MAMR (Microwave Assisted Magnetic Recording, WD) can be used with or without shingling. The first drives are expected in 2020, in either flavor.o) Poster for Zone-based Storage Tiering for HA-SMA: 2017, University of Minnesota, https://sc17.supercomputing.org/SC17 Archive/tech_poster/poster_files/post204s2-file2.pdf HGST Host-Managed SMR DataCenter drives: https://www.westerndigital.com/products/data-center-drives/ultrastar-dc-hc600-series-hdd All 2-6TB external drives - Elements, My Book, Easystore, etc. Precise models vary and are not guaranteed; assume SMR in capacities below 8TB.
Seagate datasheet for 8TB Archive v2 showing HA-SMR: https://www.seagate.com/www-content...seagate-archive-hdd/en-us/docs/100795782a.pdf If newer firmware is available for your drive, it will reflect the improvements we have engineered for the latest manufacturing. Firmware for legacy products will be the final release from manufacturing. Please note that Seagate does not offer details about specific firmware. Seagate presents the BarraCuda, an extremely versatile and reliable HDD storage device that provides ample space for all types of files. Ideally, the disk can be used in laptops, mobile storage, external storage systems, all-in-one PCs, or ultra-thin desktop PCs. Especially useful is the multi-tier caching technology used, which allows applications and files to load faster than ever from the HDD. Responsible for this are intelligent NAND flash levels, DRAM and media cache technologies, which optimize the data flow and improve the reading and writing performance.
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The BarraCuda is very economical, compact, quiet and at the same time extremely fast, even in comparison with many HDDs from other manufacturers. n) HiSMRFs research file system for SMR: 2014, https://www.researchgate.net/public...rmance_file_system_for_shingled_storage_array p) Manylogs concept, platters would need SMR and CMR sides: 2016, IEEE, https://ieeexplore.ieee.org/document/7897075
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