Seagate ST320DM000 Environmental specifications Ambient temperature, Temperature gradient, Shock

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Drive Specifications

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activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to Active mode when disk access is necessary.

2.9Environmental specifications

2.9.1 Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 69°C (156°F) within the operating ambient conditions. Refer to Section

3.4on page 26 for base plate measurement location.

Operating

0° to 60°C (32° to 140°F)

 

 

Non-operating

–40° to 70°C (–40° to 158°F)

 

 

2.9.2 Temperature gradient

Operating

20°C per hour (68°F per hour max), without condensation

 

 

Non-operating

30°C per hour (86°F per hour max)

 

 

2.9.3 Humidity

2.9.3.1Relative humidity

Operating

5% to 95% non-condensing (30% per hour max)

 

 

Nonoperating

5% to 95% non-condensing (30% per hour max)

 

 

2.9.3.2Wet bulb temperature

Operating

37.7°C (99.9°F max)

 

 

Non-operating

40°C (104°F max)

 

 

2.9.4 Altitude

Operating

–304.8m to 3048m (–1000 ft. to 10,000+ ft.)

 

 

Non-operating

–304.8m to 12,192m (–1000 ft. to 40,000+ ft.)

 

 

2.9.5 Shock

All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis.

2.9.5.1Operating shock

These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 80 Gs based on half-sine shock pulses of 2 ms during read operations. Shocks should not be repeated more than two times per second.

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Barracuda SATA Product Manual, Rev. G

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Contents Barracuda Document Revision History Revision Date Description of ChangeContents Barracuda Sata Product Manual, Rev. G Figures Barracuda Sata Product Manual, Rev. G Seagate Technology Support Services Barracuda Sata Product Manual, Rev. G Introduction About the Sata interfaceIntroduction Drive Specifications Specification summary tablesDrive Specifications Drive Specification ST500DM002 ST320DM000 ST250DM000 Model Formatted Guaranteed Bytes per sector Capacity Sectors Formatted capacityRecording and interface technology LBA modeDefault logical geometry Physical characteristics Seek timePower specifications Power consumptionStart/stop times DiskDC power requirements 3-disk 3TB and 2TB models Power-management modes Power modes Heads Spindle BufferConducted noise Voltage toleranceEnvironmental specifications Ambient temperature Temperature gradientHumidity AltitudeNon-operating vibration AcousticsWarranty Agency certification Safety certificationTest for Prominent Discrete Tones PDTs Electromagnetic immunityElectromagnetic compatibility FCC verificationKorean RRL Australian C-Tick N176Corrosive environment Environmental protectionChina Restriction of Hazardous Substances RoHS Directive Sata cables and connectors Handling and static-discharge precautionsConfiguring the drive Drive mounting Attaching Sata cablingMounting dimensions 1-disk 1TB and 750GB models Mounting dimensions 1-disk 500GB, 320GB and 250GB models Sata Interface Segment Pin Function DefinitionE5H Supported ATA commandsCommand name Command code in hex E7H EAHECH E3HC6H E6HB0H / DAH E2HIdentify Device command Word Description Value0C5AH AsciiXx07H BE09HBit Word FffehMedia serial number is supported Set Features command 0AH0BH 0CH3 S.M.A.R.T. commands Code in features register A.R.T. commandIndex Barracuda Sata Product Manual, Rev. G Barracuda Sata Product Manual, Rev. G Page Page Seagate Technology LLC Americas
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