1 formatted capacity, Formatted capacity – Seagate BARRACUDA ST31000524AS User Manual
Page 15
Barracuda SATA Product Manual, Rev. A
15
Drive Specifications
*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.
2.1 Formatted capacity
Model
Formatted
capacity*
Guaranteed
sectors
ST31000524AS
1000GB
1,953,525,168
512
ST3750525AS
750GB
1,465,149,168
ST3500413AS
500GB
976,773,168
ST3320413AS
320GB
625,142,448
ST3250312AS
250GB
488,397,168
ST3160316AS
160GB
312,581,808
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and
formatting.
Temperature gradient (max.)
20°C per hour (operating)
30°C per hour (non-operating)
20°C per hour (operating)
30°C per hour (non-operating)
Relative humidity
5% to 95% (operating)
5% to 95% (non-operating)
5% to 95% (operating)
5% to 95% (non-operating)
Relative humidity gradient (max.)
30% per hour
30% per hour
Wet bulb temperature
37.7°C max (operating)
40.0°C max (non-operating)
37.7°C max (operating)
40.0°C max (non-operating)
Altitude, operating
–60.96m to 3,048m
(–1000 ft to 10,000+ ft)
–60.96m to 3,048m
(–1000 ft to 10,000+ ft)
Altitude, non-operating
(below mean sea level, max.)
–60.96m to 12,192m
(–1000 ft to 40,000+ ft)
–60.96m to 12,192m
(–1000 ft to 40,000+ ft)
Operational Shock (max.)
70 Gs at 2ms
70 Gs at 2ms
Non-Operational Shock (max.)
350 Gs at 2ms
350 Gs at 2ms
Vibration, operating
2Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
2Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
Vibration, non-operating
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
Drive acoustics, sound power
Idle**
2.6 bels (typical)
2.7 bels (max)
2.6 bels (typical)
2.7 bels (max)
Seek
2.8 bels (typical)
3.0 bels (max)
2.8 bels (typical)
3.0 bels (max)
Non-recoverable read errors
1 per 10
14
bits read
1 per 10
14
bits read
Warranty
To determine the warranty for a specific drive, use a web browser to access the following web
page:
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
50,000 at 25°C, 50% rel. humidity
Supports Hotplug operation per the
Serial ATA Revision 2.5 specification
Yes
Yes
Bytes per sector
Table 3 Drive specifications summary for 250GB and 160GB models (continued)
Drive specification
ST3250312AS
ST3160316AS