Formatted Capacity - Seagate BARRACUDA ST31000524AS Product Manual

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Table 3 Drive specifications summary for 250GB and 160GB models (continued)
Drive Specification
Relative humidity
Relative humidity gradient (max.)
Wet bulb temperature
Altitude, operating
Altitude, non-operating
(below mean sea level, max.)
Operational Shock (max.)
Non-Operational Shock (max.)
Vibration, operating
Vibration, non-operating
Drive acoustics, sound power
Idle**
Seek
Non-recoverable read errors
Annulized Failure Rate (AFR)
Warranty
Contact start-stop cycles
Supports Hotplug operation per the
Serial ATA Revision 2.5 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.

2.2 Formatted capacity

Model
ST31000524AS
ST3750525AS
ST3500413AS
ST3320413AS
ST3250312AS
ST3160316AS
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and
formatting.
Barracuda SATA Product Manual, Rev. B
ST3250312AS
5% to 95% (operating)
5% to 95% (non-operating)
30% per hour
37.7°C max (operating)
40.0°C max (non-operating)
–60.96m to 3,048m
(–1000 ft to 10,000+ ft)
–60.96m to 12,192m
(–1000 ft to 40,000+ ft)
70 Gs at 2ms
350 Gs at 2ms
2Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
2.6 bels (typical)
2.7 bels (max)
2.8 bels (typical)
3.0 bels (max)
14
1 per 10 bits read
0.34%
To determine the warranty for a specific drive, use a web browser to access the following web
page: support.seagate.com/customer/warranty_validation.jsp
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 dis-
play the warranty information for your drive.
50,000 at 25°C, 50% rel. humidity
Yes
Formatted
capacity*
1000GB
750GB
500GB
320GB
250GB
160GB
ST3160316AS
5% to 95% (operating)
5% to 95% (non-operating)
30% per hour
37.7°C max (operating)
40.0°C max (non-operating)
–60.96m to 3,048m
(–1000 ft to 10,000+ ft)
–60.96m to 12,192m
(–1000 ft to 40,000+ ft)
70 Gs at 2ms
350 Gs at 2ms
2Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
2.6 bels (typical)
2.7 bels (max)
2.8 bels (typical)
3.0 bels (max)
1 per 10
0.34%
50,000 at 25°C, 50% rel. humidity
Yes
Guaranteed
sectors
1,953,525,168
1,465,149,168
976,773,168
625,142,448
488,397,168
312,581,808
Drive Specifications
14
bits read
Bytes per sector
512
15