Seagate Exos 7E8 SATA Product Manual, Rev. B (Draft 2)
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2.2
Formatted capacity
*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" (words 60-61 and 100-103) for additional information about 48-bit addressing support
of drives with capacities over 137GB.
2.3
Recording and interface technology
2.4
Start/stop times
ST models
Formatted capacity*
Guaranteed sectors
Bytes per logical sector
ST4000NM0035
ST4000NM0045
ST4000NM0105
4TB
7,814,037,168
512
ST3000NM0005
ST3000NM0015
ST3000NM0055
3TB
5,860,533,168
ST2000NM0055
ST2000NM0065
2TB
3,907,029,168
ST1000NM0055
ST1000NM0065
1TB
1,953,525,168
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density, KBPI (Kb/in max)
2018
Track density, KTPI (ktracks/in avg)
369
Areal density (Gb/in
2
avg)
732
Spindle speed (RPM) (± 0.2%)
7200
Internal data transfer rate (Mb/s max)
2396
Sustained data transfer rate (MiB/s max)
215
I/O data-transfer rate (MB/s max)
600 (Ultra DMA mode 5)
Power-on to Ready (sec) (typ/max)
22/30
Standby to Ready (sec) (typ/max)
22/30
Ready to spindle stop (sec) (max)
23