Seagate ST3640623AS, ST31000333AS, ST31500341AS, ST3160813AS, ST3320813AS manual DC power requirements

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Table 4:	DC power requirements

Power dissipation (4-disc values shown)		Avg (watts 25° C)	Avg 5V typ amps	Avg 12V typ amps

Spinup		—	—	2.8 (peak)

Idle*		8.30	0.330	0.530

Idle* (with offline activity)		8.30	0.330	0.530

Operating (40% r/w, 40% seek, 20% inop.)		10.80	0.700	0.610

Seeking (random, 20% idle)		10.10	0.430	0.663

Standby		0.90	0.130	0.021

Sleep		0.90	0.130	0.021

*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.

Table 5:	DC power requirements

Power dissipation (1-disc values shown)		Avg (watts 25° C)	Avg 5V typ amps	Avg 12V typ amps

Spinup		—	—	2.0 (peak)

Idle*		5.00	0.250	0.240

Idle* (with offline activity)		5.00	0.250	0.240

Operating (40% r/w, 40% seek, 20% inop.)		9.00	0.648	0.480

Seeking (random, 20% idle)		8.00	0.293	0.470

Standby		1.0	0.15	0.015

Sleep		1.0	0.15	0.015

*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

Barracuda 7200.11 Serial ATA Product Manual, Rev. C

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Contents Barracuda 7200.11 Serial ATA Revision Date Sheets affected or comments Revision historyContents Barracuda 7200.11 Serial ATA Product Manual, Rev. C List of Figures Page Introduction About the Serial ATA interface Drive specifications Drive specifications summary for 1500 and 1000 Gbyte models Will display the warranty information for your drive Drive specifications summary for 640 Gbyte models Barracuda 7200.11 Serial ATA Product Manual, Rev. C Drive specifications summary for 320 and 160 Gbyte models Barracuda 7200.11 Serial ATA Product Manual, Rev. C Recording and interface technology Default logical geometryLBA mode Formatted capacitySeek time Physical characteristicsTypical seek times msec Read Write Start/stop times Power specificationsDC power requirements Sleep mode Power-management modesActive mode Idle modeEnvironmental specifications Operating vibration Nonoperating shock 1500, 1000 and 640 GB models160 GB models VibrationTest for Prominent Discrete Tones PDTs AcousticsElectromagnetic immunity Fluid Dynamic Bearing FDB motor acousticsElectromagnetic compatibility Safety certificationReliability Agency certificationAustralian C-Tick N176 Korean RRLFCC verification Corrosive environment Environmental protectionChina Restriction of Hazardous Substances RoHS Directive Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions 1500, 1000 and 640 GB modelsMounting dimensions 320 and 160 GB models Hot-Plug compatibility Serial ATA Sata interfacePin Function Definition Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalSupported ATA commands Supported ATA commandsCommand name Command code in hex F4H Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordWord Set Features command values Set Features commandM.A.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Technical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index ITE Page Barracuda 7200.11 Serial ATA Product Manual, Rev. C Page Disc Drive, Scotts Valley, California 95066-4544, USA