Seagate ST3320620AS, ST3120215AS, ST3120815AS Barracuda 7200.10 Serial ATA Product Manual, Rev. K

Drive specification	ST380815AS	ST380215AS
Vibration, operating	5–22 Hz: 0.25 Gs, Limited displacement
	22–350 Hz: 0.5 Gs
	350–500 Hz:: 0.25 Gs
Vibration, nonoperating	5–22 Hz: 0.25 Gs, Limited displacement
	22–350 Hz: 5.0 Gs
	350–500 Hz:: 1.0 Gs
Drive acoustics, sound power
Idle***	2.8 bels (typical)
	3.0 bels (max)
Quiet seek	3.0 bels (typical)
	3.2 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 Serial ATA Revision 2.5 specification	Yes

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

**7200.10 family product achieved higher sustained data rate over same 7200.9 family capacity points using identical measurement methodology.

***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.

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