Seagate ST3640323AS, ST31000333AS, ST3160813AS Barracuda 7200.11 Serial ATA Product Manual, Rev. C

Drive specification	ST3640323AS	ST3640623AS
Vibration, operating	2–22 Hz: 0.25 Gs, Limited displacement
	22–350 Hz: 0.50 Gs
	350–500 Hz:: 0.25 Gs
Vibration, nonoperating	5–22 Hz: 2.0 Gs
	22–350 Hz: 5.0 Gs
	350–500 Hz:: 2.0 Gs
Drive acoustics, sound power
Idle**	2.6 bels (typical)
	2.8 bels (max)
Performance Seek	3.0 bels (typical)
	3.2 bels (max)
Quiet Seek	2.7 bels (typical)
	2.9 bels (max)
Nonrecoverable read errors	1 per 1014 bits read
Annualized Failure Rate (AFR)	0.34%
Warranty	5 years on distribution units.
	To determine the warranty for a specific drive, use a web browser to access the following
	web page: www.seagate.com/support/service/
	From this page, click on the “Verify Your Warranty” link. You will be asked to provide the
	drive serial number, model number (or part number) and country of purchase. The system
	will display the warranty information for your drive.
Contact start-stop cycles	50,000 at 25°C, 50% rel. humidity
Supports Hotplug operation per the	Yes
Serial ATA Revision 2.5 specification

*One Gbyte 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.

Barracuda 7200.11 Serial ATA Product Manual, Rev. C 7