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Seagate ST3400755SS manual Mechanical specifications, Physical dimensions

Models: ST3400755SS

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6.5Mechanical specifications

Refer to Figure 23 for detailed physical dimensions. See Section 8.3, “Drive mounting.”

Height:	1.028 in	26.11 mm
Width:	4.010 in	101.85 mm
Depth:	5.787 in	146.99 mm
Weight:	1.76 pounds	0.800 kilograms

	26.11 MAX
	(1.028 MAX)	2X 20.14
		(2X .793)
		6.35 (.250)	24.00
		6.35 (.250)	(.945)
			(.945)
			2X 28.45	4.22 X 90 (		.166 X 90 )
			2X 28.45		0.36
			(2X 1.120)		0.36
			(2X 1.120)	(	.014)
				(	.014)
				2X 70.05 (2X 2.758)
				122.00 (4.803)
UNITS OF MEASURE: mm (inches)				2X 130.05 (2X 5.120)
				146.99 MAX (5.787 MAX)
				131.17 (5.164)
				85.60 (3.370)	4.57 MIN BLIND
					( .18 MIN BLIND)
20.14			41.15 (1.620)		4.22 X 90 ( .166 X 90 )
20.14						0.36
(.793)			2X 29.21			0.36
(.793)					(	.014)
					(	.014)
			(2X 1.150)
		1.45 (.057)
	101.60 +/- .25	3.17 (.125)
	(4.000 +/- .010)
50.80
(2.000)
	2X 100.13
	(2X 3.942)	20.68 (.814)
	98.42
	(3.875)
	33.40
	(1.315)
		0.76
	(	.030)
	0.13
	(.005)		36.37
	0.13		36.37
3.50 +/- .38	0.13		(1.432)
	(.005)		(1.432)
	(.005)
(.138 +/- .015)			0.99
			0.99
	0.25		(.039)
	(.010)		0.41
			(.016)

Figure 23. Physical dimensions

DRIVE

CENTER

LINE

Cheetah NS SAS Product Manual, Rev. B

31

Image 37

Seagate ST3400755SS manual Mechanical specifications, Physical dimensions

Contents

ST3400755SS Cheetah NS SASPage Contents Installation Defect and error managementSeagate Technology support services Interface requirements Typical ST3400755SS drive +5V and +12V current profiles List of Figures Cheetah NS SAS Product Manual, Rev. B Scope Cheetah NS SAS Product Manual, Rev. B Standards Standards, compliance and reference documentsElectromagnetic compatibility Electromagnetic susceptibility Compliance Reference documents Cheetah NS SAS Product Manual, Rev. B General description Media description Standard featuresPerformance Reliability Formatted capacities Factory-installed optionsProgrammable drive capacity ST3400755SS Cheetah NS SAS Product Manual, Rev. B Internal drive characteristics Performance characteristicsAccess time Seek performance General performance characteristics Format command execution time minutesStart/stop time Cache operation Prefetch/multi-segmented cache controlCaching write data 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 Predictive failures Temperature Log Page 0DhThermal monitor 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 Cheetah NS SAS Product Manual, Rev. B AC power requirements Physical/electrical specificationsDC power requirements ST3400755SS DC power requirements Power sequencing General DC power requirement notesConducted noise immunity Current profiles Typical ST3400755SS drive +5V and +12V current profiles Power dissipation Environmental limits Temperature Effective altitude sea level Relative humidityShock and vibration Shock Recommended mounting Package size Packaged/product weight Drop height Vibration Air cleanlinessAcoustics Corrosive environment China Restriction of Hazardous Substances RoHS Directive X表示该部件（于同类物品程度上）所含的危险和有毒物质中国RoHS MCV标准所定义的门槛值。 Physical dimensions Mechanical specifications Cheetah NS SAS Product Manual, Rev. B Drive internal defects/errors Defect and error managementDrive error recovery procedures 77.87 Background Media Scan SAS system errorsMedia Pre-Scan Idle Read After Write Deferred Auto-Reallocation Drive orientation Installation Air flow Cooling Grounding Drive mounting Cheetah NS SAS Product Manual, Rev. B Interface requirements SAS features Dual port support Commands supported by Cheetah NS SAS family drives Scsi commands supportedCommand name Command code Supported Commands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Inquiry data Mode Sense dataCheetah NS SAS inquiry data Bytes Data hex Page Mode Pages 2.1 ST3400755SS 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 Impedance requirements Sheet 2 Transmitter characteristicsElectrical TxRx connections = -5,437dB Shows the zero-length test load Receiver characteristics Cheetah NS SAS Product Manual, Rev. B Internet Seagate Technology support servicesPresales Support Technical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Numerics IndexPage SAS See also cooling