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Momentus
®
7200.4
Industry-leading 7200-RPM performance meets
extreme green low power consumption levels
Seagate Leadership
SeagateTechnology,aleaderinstorage,isdedicatedto
buildingproductsthatmeettheneedsoftheconsumer
andintegrator,allowingthemtobuildsolutionsthatare
stateoftheart,maximizingusefulsystemlife.
Seagatealsoworkshandinhandwithmajortechnology
playerstodevelopnewplatformsandinterfacesfor
systembuilders.Unlikemanycompetitors,Seagate
takesaleadershiprole,aswellaslearningfromour
customers,todevelopthefutureofstorageandwhatit
meanstocomputing.
Asaresult,Seagatecontinuallydeliversinnovationsthat
aremainstaysofstoragetoday:
• Products:7200-RPMdesktopandlaptopdrives,
securitydrives
• Technologies:SerialATA,perpendicularrecording,
encryption,hybriddrives
• Features:Freefallprotection,powermanagement,
enterprisesecurity,greencomponents
Seagatecustomerscanbuildastoragefoundationwith
thecondencethattheyareusingproductsthatwill
performtodayandinthefuture,enhancingbusinessand
operationalcontinuity.
G-Force Protection
TheG-ForceProtectionfeatureprovidesenhanceddata
protectionagainstshockthatmayoccurwhilethedrive
isoperating.Thisfeatureisdesignedtodecreasethe
likelihoodofdatalossbydetectingafreefalleventand
unloadingtheactuatorbeforeashocktakesplaceinfalls
ofgreaterthan8inches(nominal).
Seagate Global Customer Support
• Getpresalesandtechnicalsupportatsupport.
seagate.com.
• Visitourknowledgebaseforanswerstocommon
supportquestions.
• Finddocumentationforcurrentandlegacydrives.
• Utilizeouronlinetroubleshootinganddiagnostictools.
• DownloadDiscWizard
™
tohelpmigratedatafroman
olderdrive.
AMERICAS Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066, United States, 831-438-6550
ASIA/PACIFIC Seagate Technology International Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888
EUROPE, MIDDLE EAST AND AFRICA Seagate Technology SAS 130–136, rue de Silly, 92773, Boulogne-Billancourt Cedex, France 33 1-4186 10 00
Copyright©2009SeagateTechnologyLLC.Allrightsreserved.PrintedinUSA.Seagate,SeagateTechnologyandtheWavelogoareregisteredtrademarksofSeagateTechnologyLLCintheUnitedStatesand/or
othercountries.DiscWizard,G-ForceProtection,MomentusandQuietStepareeithertrademarksorregisteredtrademarksofSeagateTechnologyLLCoroneofitsafliatedcompaniesintheUnitedStatesand/
orothercountries.Allothertrademarksorregisteredtrademarksarethepropertyoftheirrespectiveowners.Whenreferringtoharddrivecapacity,onegigabyte,orGB,equalsonebillionbytesandoneterabyte,
orTB,equalsonetrillionbytes.Yourcomputer’soperatingsystemmayuseadifferentstandardofmeasurementandreportalowercapacity.Inaddition,someofthelistedcapacityisusedforformattingandother
functions,andthuswillnotbeavailablefordatastorage.Seagatereservestherighttochange,withoutnotice,productofferingsorspecications.DS1667.2-0902US,February2009
Specifications
500 GB
1
320 GB
1
250 GB
1
160 GB
1
Model Number
ST9500420AS
ST9500420ASG
ST9320423AS
ST9320423ASG
ST9250410AS
ST9250410ASG
ST9160412AS
ST9160412ASG
Interface Options
SATA 3Gb/s
NCQ
SATA 3Gb/s
NCQ
SATA 3Gb/s
NCQ
SATA 3Gb/s
NCQ
Performance
Cache (MB)
16 16 16 16
Spindle Speed (RPM)
7200 7200 7200 7200
Configuration/Organization
Bytes per Sector
512 512 512 512
Logical CHS
16,383/16/63 16,383/16/63 16,383/16/63 16,383/16/63
Reliability/Data Integrity
Recording Method
16/17 EPRML 16/17 EPRML 16/17 EPRML 16/17 EPRML
Head-Rest Method
QuietStep
™
Ramp Load
QuietStep
™
Ramp Load
QuietStep
Ramp Load
QuietStep
Ramp Load
Load/Unload Cycles
600,000 600,000 600,000 600,000
Nonrecoverable Read Errors per Bits Read
1 per 10E14 1 per 10E14 1 per 10E14 1 per 10E14
Power Management
Power (W)
Seek, Typical
Idle, Typical
1.554
0.67
1.554
0.67
1.554
0.67
1.554
0.67
Environmental
Temperature (°C)
Operating
Nonoperating
0 to 60
–40 to 70
0 to 60
–40 to 70
0 to 60
–40 to 70
0 to 60
–40 to 70
Shock (Gs)
Operating: 2 ms
Nonoperating: 1 ms
350
1000
350
1000
350
1000
350
1000
Acoustics (bels–sound power)
Idle, Typical
Seek, Typical
2.3
2.5
2.3
2.5
2.3
2.5
2.3
2.5
Physical
Height (in/mm)
0.370/9.5 0.370/9.5 0.370/9.5 0.370/9.5
Width (in/mm)
2.75/69.85 2.75/69.85 2.75/69.85 2.75/69.85
Depth (in/mm)
3.951/100.35 3.951/100.35 3.951/100.35 3.951/100.35
Weight (lb/g)
0.238/110 0.238/110 0.227/105 0.227/105
1 One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity.
www.seagate.com
1-800-SEAGATE (1-800-732-4283)