Seagate Enterprise Capacity 2.5 HDD v3 SATA Product Manual, Rev. E
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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 5.3.1, "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
Formatted capacity*
Guaranteed sectors
Bytes per logical sector
ST2000NX0253, ST2000NX0303 and ST2000NX0403
3,907,029,168
512
ST1000NX0313, ST1000NX0353 and ST1000NX0423
1,953,525,168
ST2000NX0243, ST2000NX0283
488,378,646
4096
ST1000NX0303, ST1000NX0343
244,190,646
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density, KBPI (Kb/in max)
All others
1889
ST2000NX0403 and ST1000NX0423
1998
Track density, KTPI (ktracks/in avg)
All others
315
ST2000NX0403 and ST1000NX0423
335
Areal density (Gb/in
2
avg)
All others
585
ST2000NX0403 and ST1000NX0423
640
Spindle speed (RPM) (± 0.2%)
7200
Internal data transfer rate (Mb/s max)
2160
Sustained data transfer rate (MiB/s max)
130 (136 MB/s max)
I/O data-transfer rate (MB/s max)
600 (Ultra DMA mode 5)
Power-on to Ready (sec) (max)
20
Standby to Ready (sec) (max)
20
Ready to spindle stop (sec) (max)
20
