Physical/electrical specifications | Seagate ST31000640SSIM guide

6.0Physical/electrical specifications

This section provides information relating to the physical and electrical characteristics of the drive.

6.1AC power requirements

None.

6.2DC power requirements

The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector.

Table 2: ST31000640SS DC power requirements

							ST31000640SS
							3 Gbit mode

						Notes	(Amps)		(Amps)

Voltage							+5V		+12V [2]

Regulation						[5]	±5%		±5% [2]

						[1] [6]	0.60		0.50
Avg idle current DCX						[1] [6]	0.60		0.50
Maximum starting current
Maximum starting current
(peak DC) DC					3σ	[3]	0.95		2.00
(peak AC) AC					3σ	[3]	1.10		3.50
					3σ
Delayed motor start (max) DC					3σ	[1] [4]	0.60		0.17
Peak operating current:
Peak operating current:
						[1]	0.62		0.78
Typical DCX						[1]	0.62		0.78
Maximum DC					3σ	[1]	0.74		0.82
Maximum (peak) DC					3σ		1.15		1.75

Barracuda ES.2 SAS Product Manual, Rev. G

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Seagate ST31000640SSIM manual Physical/electrical specifications, AC power requirements, DC power requirements

Contents

ST31000640SS ST3750630SS ST3500620SS Barracuda ES.2 SASPage Reliability specifications Performance characteristicsPhysical/electrical specifications General description Interface requirements Defect and error managementInstallation Seagate Technology Support Services Barracuda ES.2 SAS Product Manual, Rev Scope Barracuda ES.2 SAS Product Manual, Rev. G Standards Standards, compliance and reference documentsElectromagnetic compatibility Electromagnetic susceptibility Compliance Reference documents Barracuda ES.2 SAS Product Manual, Rev. G Barracuda ES.2 drive illustration General description Media description Standard featuresPerformance Reliability Programmable drive capacity Factory-installed optionsFormatted capacities Barracuda ES.2 SAS Product Manual, Rev. G Internal drive characteristics Performance characteristicsAccess time Seek performance Start/stop time Format command execution time minutesGeneral performance characteristics Caching write data Prefetch/multi-segmented cache controlCache operation Prefetch operation Error rates Reliability specificationsRecoverable Errors Unrecoverable Errors Seek errors Reliability and serviceInterface errors Preventive maintenance Controlling S.M.A.R.T 4 S.M.A.R.TPerformance impact Reporting control Thermal monitor Temperature Log Page 0DhPredictive failures DST failure definition State of the drive prior to testingImplementation Invoking DST Short test Function Code 001b Product warrantyExtended test Function Code 010b Log page entries Product repair and return information Shipping Barracuda ES.2 SAS Product Manual, Rev. G AC power requirements Physical/electrical specificationsDC power requirements ST31000640SS DC power requirements ST3500620SS DC power requirements ST3750630SS DC power requirements Power sequencing General DC power requirement notesConducted noise immunity Current profiles Typical ST31000640SS drive +5V and +12V current profiles Typical ST3500620SS drive +5V and +12V current profiles Power dissipation Barracuda ES.2 SAS Product Manual, Rev. G Environmental limits Temperature a. Operating Effective altitude sea level a. Operating Relative humidityShock and vibration Shock Package size Packaged/product weight Drop height Vibration a. Operating-normal Air cleanlinessAcoustics Corrosive environment See Section Barracuda ES.2 SAS Product Manual, Rev. G Physical dimensions Mechanical specifications Drive error recovery procedures Defect and error managementDrive internal defects/errors 108.29 Media Pre-Scan SAS system errorsBackground Media Scan Idle Read After Write Deferred Auto-Reallocation Drive orientation Installation Air flow Cooling Grounding Drive mounting Barracuda ES.2 SAS Product Manual, Rev. G Interface requirements SAS features Dual port support Command name Command code Supported Scsi commands supportedCommands supported by Barracuda ES.2 SAS family drives Commands supported by Barracuda ES.2 SAS family drives Commands supported by Barracuda ES.2 SAS family drives Commands supported by Barracuda ES.2 SAS family drives Barracuda ES.2 SAS inquiry data Bytes Data hex Mode Sense dataInquiry data Page Mode Pages 2.1 ST31000640SS Mode Sense data 2.2 ST3750630SS Mode Sense data 2.3 ST3500620SS Mode Sense data Miscellaneous features Miscellaneous operating features and conditionsSupported Feature or condition Miscellaneous status SAS physical interface Datum B Connector requirements Physical characteristics Electrical description Pin Signal name Signal typePin descriptions SAS pin descriptions Power Signal characteristicsSAS transmitters and receivers Ready LED Out Differential signals LED drive signalGeneral interface characteristics Eye masks Eye masks overview Jitter tolerance masks Receive eye maskAbsolute amplitude Normalized time in UI Sinusoidal Peak-toJitter Frequency in kHz Signal characteristica Units Gbps Transmitter signal characteristics Signal characteristic Units Gbps Receiver signal characteristicsMaximum allowable jitter Gbps m, n Deterministic jitterq Receiver jitter tolerance Impedance specificationsCompliant jitter test pattern Cjtpat Impedance requirements Sheet 1 Electrical TxRx connections Transmitter characteristicsImpedance requirements Sheet 2 = -5,437dB Shows the zero-length test load Receiver characteristics Barracuda ES.2 SAS Product Manual, Rev. G