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4 Momentus XT Product Manual, Rev. B
*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.
***Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby
modes will not contribute to battery power consumption.
Read power (watts typical) 2.4
Write power (watts typical) 2.3
Idle mode, low power (watts typical) 0.8
Standby mode (watts typical) 0.40 ***
Sleep mode (watts typical) 0.40 ***
Voltage tolerance (including noise) +5V ± 5%
Ambient temperature (°C) 0 to 60 (operating)
–40 to 70 (nonoperating)
Temperature gradient (°C per hour max) 20 (operating), 35 (nonoperating)
Relative humidity 5% to 95% (operating and nonoperating
Relative humidity gradient 30% per hour max
Wet bulb temperature (°C max) 37.7 (operating)
40 (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1000 ft to 10,000
+ ft)
Altitude, nonoperating
(meters below mean sea level, max)
–304.8 m to 12,192 m (–1000 ft to 40,000
+ ft)
Shock, operating (Gs max at 2 ms) 350
Shock, nonoperating (Gs max at 2 ms) 800
Shock, nonoperating (Gs max at 1 ms) 900
Shock, nonoperating (Gs max at 0.5 ms) 600
Vibration, operating 1.0 G (0 to peak, 5–500 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 5–500 Hz)
Drive acoustics, sound power (bels)
Idle** 2.3 (typical)
2.5 (max)
Performance seek 2.6 (typical)
2.7 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Annualized Failure Rate (AFR) 0.5%
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
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
Warranty 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
You will be asked to provide the drive serial number, model number (or part number) and
country of purchase. After submitting this information, the system will display the war-
ranty information for your drive
Supports Hotplug operation per
Serial ATA Revision 2.6 specification
Yes (requires COMRESET from host after a hotplug event)
Table 1: Drive specifications
Drive specification ST95005620AS ST93205620AS ST92505610AS