Seagate ST9500421AS Product Manual page 11

Table 2: Drive specifications
Drive specification
Read power (typical)
Write power (typical)
Idle mode, low power (typical)
Standby mode
Sleep mode
Voltage tolerance (including noise)
Ambient temperature
Temperature gradient (°C per hour max)
Relative humidity
Relative humidity gradient
Wet bulb temperature (max)
Altitude, operating
Altitude, nonoperating
(meters below mean sea level, max)
Shock, operating
(Gs max at 2 msec)
Shock, nonoperating
(Gs max at 2 msec)
Shock, nonoperating
(Gs max at 1 msec)
Shock, nonoperating
(Gs max at 0.5 msec)
Vibration, operating
Vibration, nonoperating
Drive acoustics, sound power (bels)
Idle**
Performance seek
Nonrecoverable read errors
Annualized Failure Rate (AFR)
Load/Unload (U/UL) cycles
25°C, 50% relative humidity
32°C, 80% relative humidity
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
Warranty
Supports Hotplug operation per Serial ATA Revi-
sion 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.
Momentus 7200 FDE.2 SATA Product Manual, Rev. A
ST9500421AS ST9320426AS
ST9500426ASG ST9320426ASG
2.1 watts
2.2 watts
0.69 watts
0.20 watts (typical)***
0.20 watts (typical)***
+5V ± 5%
0° to 60°C (operating), –40° to 70°C (nonoperating)
20°C (operating)
35°C (nonoperating)
5% to 95% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7°C (operating)
40°C (nonoperating)
–304.8 m to 3,048 m (–1,000 ft to 10,000
–304.8 m to 12,192 m (–1000 ft to 40,000
350
800
1,000
600
1.0 G (0 to peak, 5–500 Hz)
5 Gs (0 to peak, 5–500 Hz)
2.3 (typical)
2.5 (max)
2.6 (typical)
2.7 (max)
14
1 per 10 bits read
0.5%
600,000 software-controlled power on/off cycles
50,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
50,000 hard power on/off cycles
To determine the warranty for a specific drive, use a web browser to access the fol-
lowing 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.
Yes (requires COMRESET from host after a hotplug event)
ST9250411AS ST9160413AS
ST9250464ASG ST9160418ASG
+
ft)
+
ft)
5