Seagate ST3300657SS, ST3300557SS, ST3450857SS Standard features, Media description, Performance

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3.1Standard features

Cheetah 15K.7 drives have the following standard features:

1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface

Integrated dual port SAS controller supporting the SCSI protocol

Support for SAS expanders and fanout adapters

Firmware downloadable using the SAS interface

128 - deep task set (queue)

Supports up to 32 initiators

Jumperless configuration.

User-selectable logical block size (512, 520, or 528 bytes per logical block)

Programmable logical block reallocation scheme

Flawed logical block reallocation at format time

Programmable auto write and read reallocation

Reallocation of defects on command (Post Format)

ECC maximum burst correction length of 320 bits

No preventive maintenance or adjustments required

Dedicated head landing zone

Embedded servo design

Automatic shipping lock

Self diagnostics performed when power is applied to the drive

Zone bit recording

Vertical, horizontal, or top down mounting

Dynamic spindle brake

16 Mbyte data buffer

Drive Self Test

Background Media Scan

Power Save

Cheetah 15K.7 SAS SED models have the following additional features:

Automatic data encryption/decryption on all writes and reads to and from the media

Controlled access

Random number generator

Drive locking

Two independent data bands which each have it’s own ownership credential and encryption key

Cryptographic erase of user data for a drive that will be repurposed or scrapped

Authenticated firmware download

3.2Media description

The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection.

3.3Performance

Programable multi-segmented cache buffer

600 Mbytes/sec maximum instantaneous data transfers

15k RPM spindle. Average latency = 2.0 msec

Background processing of queue

Supports start and stop commands (spindle stops spinning)

Adaptive seek velocity; improved seek performance

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Cheetah 15K.7 SAS Product Manual, Rev. A

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Contents Cheetah 15K.7 SAS Standard models Self-Encrypting Drive modelsPage Contents Defect and error management InstallationAbout self-encrypting drives Interface requirementsSeagate Technology support services Cheetah 15K.7 SAS Product Manual, Rev. a Scope Model Number Capacity Self-Encrypting Drive SEDStandards, compliance and reference documents StandardsElectromagnetic compatibility Electromagnetic susceptibilityCompliance European Union Restriction of Hazardous Substances RoHSReference documents General description Standard features Media descriptionPerformance Factory-installed options ReliabilityFormatted capacities Programmable drive capacityPerformance characteristics Internal drive characteristicsAccess time Seek timeFormat command execution time minutes General performance characteristicsStart/stop time Prefetch/multi-segmented cache control Cache operationCaching write data Prefetch operationReliability specifications Error ratesRecoverable Errors Unrecoverable ErrorsReliability and service Seek errorsInterface errors Preventive maintenance4 S.M.A.R.T Controlling S.M.A.R.TPerformance impact MillisecondsReporting control Determining ratePredictive failures Thermal monitorTemperature Log Page 0Dh Parameter Code Description State of the drive prior to testingDrive Self Test DST DST failure definitionInvoking DST Short and extended testsShort test Function Code 001b Extended test Function Code 010bProduct warranty AbortShipping Product repair and return informationPhysical/electrical specifications AC power requirementsDC power requirements 600 GB DC power requirements ST3600057SS ST3600957SS Gbit mode Amps450 GB DC power requirements ST3450857SS ST3450757SS Gbit mode Amps300 GB DC power requirements ST3300657SS ST3300557SS Gbit mode AmpsPower sequencing Conducted noise immunityCurrent profiles Typical 600GB current profiles Typical 300GB current profiles Power dissipation ST3600057SS modelST3450857SS model Temperature Environmental limitsST3300657SS model Relative humidity Effective altitude sea levelShock and vibration ShockPackage size Packaged/product weight Drop height Vibration Recommended mountingAir cleanliness AcousticsCorrosive environment RoHS compliance statementMechanical specifications Physical dimensionsControlled access Admin SPAbout self-encrypting drives Data encryptionAuthenticated firmware download Random number generator RNGDrive locking Data bandsPower requirements Supported commandsDefect and error management Drive internal defects/errorsDrive error recovery procedures Page SAS system errors Background Media ScanMedia Pre-Scan Deferred Auto-ReallocationIdle Read After Write Installation Drive orientationCooling Drive mounting GroundingSAS features Interface requirementsScsi commands supported Commands supported by Cheetah 15K.6 SAS family drivesCommand name Command code Supported Dual port supportCommands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Inquiry data Cheetah 15K.7 inquiry data Bytes Data hexMode Sense data 10.3.2.1 ST3600057SS and ST3600957SS Mode Sense data Mode PagesDEF CHG 10.3.2.2 ST3450857SS and ST3450757SS Mode Sense data Mode Data Header Block Descriptor Mode PagesDEF CHG Read Capacity Data Buffer C D E F 10.3.2.3 ST3300657SS and ST3300557SS Mode Sense data Mode PagesMiscellaneous operating features and conditions Miscellaneous featuresSupported Feature or condition Miscellaneous statusSAS physical interface Physical interfaceDatum B Physical characteristics Connector requirementsPin Signal name Signal type Electrical descriptionPin descriptions SAS pin descriptionsSignal characteristics PowerSAS transmitters and receivers Ready LED OutSAS-2 Specification compliance LED drive signalDifferential signals General interface characteristicsSeagate Technology support services Presales SupportTechnical Support Warranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call CenterToll-freeDirect dialFAX Cheetah 15K.7 SAS Product Manual, Rev. a Index NumericsPage SAS Smart
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