Formatted Capacity; Lba Mode; Recording And Interface Technology; Start/Stop Times - Seagate ST1000NX0303 Product Manual

2.2

Formatted capacity

Formatted capacity*
ST2000NX0253, ST2000NX0303 and ST2000NX0403
ST1000NX0313, ST1000NX0353 and ST1000NX0423
ST2000NX0243, ST2000NX0283
ST1000NX0303, ST1000NX0343
*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

Interface
Recording method
Recording density, KBPI (Kb/in max)
ST2000NX0403 and ST1000NX0423
Track density, KTPI (ktracks/in avg)
ST2000NX0403 and ST1000NX0423
2
Areal density (Gb/in avg)
ST2000NX0403 and ST1000NX0423
Spindle speed (RPM) (± 0.2%)
Internal data transfer rate (Mb/s max)
Sustained data transfer rate (MiB/s max)
I/O data-transfer rate (MB/s max)
2.4

Start/stop times

Power-on to Ready (sec) (max)
Standby to Ready (sec) (max)
Ready to spindle stop (sec) (max)
Seagate Enterprise Capacity 2.5 HDD v3 SATA Product Manual, Rev. E
Serial ATA (SATA)
Perpendicular
All others 1889
1998
All others 315
335
All others 585
640
7200
2160
130 (136 MB/s max)
600 (Ultra DMA mode 5)
20
20
20
Guaranteed sectors Bytes per logical sector
3,907,029,168
512
1,953,525,168
488,378,646
4096
244,190,646
10