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Momentus 5400.6 SATA Product Manual, Rev. A
2.13 Reliability
2.13.1 Free Fall Protection feature
The Free Fall Protection feature provides enhanced data protection against shock events that may occur while
the drive is operating. This feature is designed to decrease the likelihood of data loss by detecting a free fall
event and unloading the actuator before a shock takes place in falls of >8 inches (nominal). The drive uses a 0
G sensor mounted on the printed circuit board assembly (PCBA) to sense this event.
To enable the Free Fall Protection feature on ST9500325ASG, ST9320325ASG, ST9250315ASG and
ST9160314ASG models, use Set Features command 41h. To disable this feature, use Set Features command
C1h.
Information about Free Fall Events that have occurred is available through SMART attribute FEh.
Note. Of the models documented in this product manual, the Free Fall Protection feature is provided only
on ST9500325ASG, ST9320325ASG, ST9250315ASG and ST9160314ASG models.
2.14 Agency certification
2.14.1 Safety certification
The drives are recognized in accordance with UL 1950 and CSA C22.2 (950) and meet all applicable sections
of IEC950 and EN 60950 as tested by TUV North America.
2.14.2 Electromagnetic compatibility
Hard drives that display the CE mark comply with the European Union (EU) requirements specified in the Elec-
tromagnetic Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product
standards for Information Technology Equipment (ITE). Emission levels are defined by EN 55022, Class B and
the immunity levels are defined by EN 55024.
Seagate uses an independent laboratory to confirm compliance with the EC directives specified in the previous
paragraph. Drives are tested in representative end-user systems. Although CE-marked Seagate drives comply
with the directives when used in the test systems, we cannot guarantee that all systems will comply with the
Measurement type Specification
Nonrecoverable read errors 1 per 10
14
bits read, max.
Annualized Failure Rate (AFR) <0.48%
Load/Unload (U/UL)
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
20,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
20,000 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 num-
ber) and country of purchase. After submitting this information, the system will dis-
play the warranty information for your drive.