Seagate ST2000NC000, ST1000NC001, ST1000NC000 Drive Specifications, Specification summary tables

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2.0Drive Specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models:

Standard models	Seagate In(SED) models
ST3000NC002	ST3000NC000
ST2000NC001	ST2000NC000
ST1000NC001	ST1000NC000

2.1Specification summary tables

The specifications listed in Table 1.

For details on specification measurement or definition, refer to the appropriate section of this manual.

Table 1 Drive specifications summary for 3TB, 2TB and 1TB models

Drive Specification*	ST3000NC002	ST2000NC001	ST1000NC001
	ST3000NC000	ST2000NC000	ST1000NC000
Formatted capacity (512 bytes/sector)*	3000GB (3TB)	2000GB (2TB)	1000GB (1TB)
Guaranteed sectors	5,860,533,168	3,907,029,168	1,953,525,168;
Heads	6	4	2
Disks	3	2	1
Bytes per sector		4096 (512 byte emulation)
Default sectors per track		63
Default read/write heads		16
Default cylinders		16,383
Recording density, KBPI (Kb/in max)		1807
Track density, KTPI (ktracks/in avg.)		340
Areal density, (Gb/in2 avg)		625
Spindle speed (RPM)		7200
Internal data transfer rate (Mb/s max)		2147
Sustained data transfer rate OD (MB/s)		150 to 180
I/O data-transfer rate MB/s max)		600
		PIO modes 0–4
ATA data-transfer modes supported		Multiword DMA modes 0–2
		Ultra DMA modes 0–6
Cache buffer		64MB
Height (max)	26.1mm / 1.028 in		20.17mm / 0.7825 in
Width (max)		101.85mm /4.010 in
Length (max)		147.00mm / 5.787 in
Weight (typical)	626g (1.38 lb)	535g (1.18 lb)	400g (0.88 lb)
Average latency		4.16ms
Power-on to ready (sec max)	15.0	10.0	7.0
Standby to ready (sec max)	15.0	10.0	7.0
Track-to-track seek time (ms typical)		0.5 read
		0.8 write
Average seek, read (ms typical)		9.5
Average seek, write (ms typical)		10.5
Startup current (typical) 12V (peak)		2.8A
	2.0A (optional configuration through Smart Command Transport)
Voltage tolerance (including noise)		5V: ± 5%
		12V: ± 10%

Constellation CS Serial ATA Product Manual, Rev. C 4