Advanced Format: 512e sector format for compatibility with modern enterprise systems. Model Seagate Exos X18. Dell/Seagate Exos 7E8 8TB ST8000NM010A 7.2K RPM SAS 12Gb/s 512e 3.5" HDD. Toshiba MD09 18TB MD09ACA18TR 7.2K RPM SATA 6Gb/s 512e 3.5" Enterprise HDD.
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