Seagate ST2000NM0031 Drive specification, Formatted Capacity, Model, Guaranteed, Bytes per sector

Drive specification	ST2000NM0011			ST1000NM0011		ST500NM0011
	ST2000NM0031			ST1000NM0031		ST500NM0031
	ST2000NM0051			ST1000NM0051		ST500NM0051
Relative humidity	5% to 90% (operating)
	5% to 95% (nonoperating)
Relative humidity gradient	30% per hour max
Altitude, operating	–60.96 m to 3,048 m
	(–200 ft to 10,000+ ft)
Altitude, nonoperating	–60.96 m to 12,192 m
(below mean sea level, max)	(–200 ft to 40,000+ ft)
Operational Shock (max at 2 ms)	Read 70 Gs / Write 40 Gs
Non-Operational Shock (max at 2 ms)	300 Gs			350 Gs
Vibration, operating	5–22 Hz:		0.25 Gs, Limited displacement
	22–350 Hz:		0.50 Gs
	350–500 Hz: 0.25 Gs
Operation Rotational vibration	20–1500Hz: 12.5 rads/s²
Vibration, nonoperating	10–500 Hz:		4.9 Grms ref
Drive acoustics, sound power (bels)
Idle**	2.7	(typical)			(typical)	1.9	(typical)
				2.2
	2.9	(max)		2.5	(max)	2.3	(max)
Performance seek	3.0	(typical)		2.8	(typical)	2.7	(typical)
	3.3	(max)		3.1	(max)	3.0	(max)
Nonrecoverable read errors	1 sector per 1015 bits read
Annualized Failure Rate (AFR)	0.73% based on 8760 POH
Warranty	To determine the warranty for a specific drive, use a web browser to access the following
	web page: http://www.seagate.com/support/warranty-and-returns/
	You will be asked to provide the drive serial number, model number (or part number) and
	country of purchase. After submitting this information, the system will display the warranty
	information for your drive.
Load-unload cycles	300,000 (25°C, 50% rel. humidity) (600,000 design life testing)
Supports Hotplug operation per	Yes
Serial ATA Revision 2.6 specification

*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.

2.2FORMATTED CAPACITY

Model	Formatted	Guaranteed	Bytes per sector
	capacity*	sectors
ST2000NM0011
ST2000NM0031	2TB	3,907,029,168
ST2000NM0051
ST1000NM0011
ST1000NM0031	1TB	1,953,525,168	512
ST1000NM0051
ST500NM0011
ST500NM0031	500GB	976,773,168
ST500NM0051

*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

2.2.1LBA 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.

CONSTELLATION ES SERIAL ATA PRODUCT MANUAL, REV. F 5