2.2Formatted Capacity; Lba Mode; Recording And Interface Technology; Start/Stop Times - Seagate EXOS 7E8 4kN Manual

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2.2Formatted capacity

ST models
ST8000NM002A, ST8000NM005A,
ST8000NM009A, ST8000NM013A
ST6000NM022A, ST6000NM024A,
ST6000NM026A, ST6000NM028A
ST4000NM001A, ST4000NM008A,
ST4000NM022A
ST2000NM002A, ST2000NM008A,
ST2000NM014A
* One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
2.2.1

LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of
guaranteed sectors as defined above.
See
Section 6.3.1, "Identify Device command"
support of drives with capacities over 137GB.
2.3

Recording and interface technology

Interface
Recording method
Recording density, KBPI (Kb/in max)
Track density, KTPI (ktracks/in, 0 Skew)
2
Areal density (Gb/in
, @ 0 skew mid-disk)
Spindle speed (RPM) (± 0.2%)
Internal data transfer rate (Mb/s max)
Sustained data transfer rate (MiB/s max) 8TB models
Sustained data transfer rate (MiB/s max) 6TB, 4TB, 2TB models
I/O data-transfer rate (MB/s max)
2.4

Start/stop times

Power-on to Ready (sec) (typ/max)
Standby to Ready (sec) (typ/max)
Ready to spindle stop (sec) (max)
Seagate Exos 7E8 SATA Product Manual, Rev. F
Formatted capacity*
Guaranteed sectors
8TB
6TB
4TB
2TB
(words 60-61 and 100-103) for additional information about 48-bit addressing
23/30
23/30
23
Bytes per logical sector
1,953,506,646
1,465,130,646
976,754,646
488,378,646
Serial ATA (SATA)
Perpendicular
2509
371
930
7200
2850
238 (249 MB/s max)
216 (226 MB/s max)
600 (Ultra DMA mode 5)
4096
9

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