Seagate ST3750630SS, ST31000640SS, ST3500620SS manual Sas

Page 79

audible 3 noise immunity 25 non-operating 30, 32

temperature 29 non-operating vibration 32

O

office environment 32 operating 30, 32 option selection 58 out-of-plane distortion 41

P

package size 31

package test specification 5 packaged 31

parameter rounding 54 PCBA 41

peak bits per inch 11

peak operating current 23, 24 peak-to-peak measurements 25 performance characteristics

detailed 11 general 12

performance degradation 30 performance highlights 8 physical damage 32 physical dimensions 34 physical interface 55 physical specifications 23 pin descriptions 58

power 59 dissipation 27 requirements, AC 23 requirements, DC 23 sequencing 25

power distribution 3 prefetch/multi-segmented cache control 13 preventive maintenance 15

Q

queue tagging 54

R

radio interference regulations 3 RCD bit 13

read error rates 15, 35 read/write data heads 11 receivers 59 Recoverable Errors 15 recovered media data 15 reference

documents 5

relative humidity 30 reliability 8

specifications 15 reliability and service 16 repair and return information 21

reporting actual retry count

54

reservation conflict status

54

resonance 30

return information 21 RoHS 33

rotation speed 11

S

safety

3

 

 

 

 

 

 

 

 

SAS

 

 

 

 

 

 

 

 

 

interface

58

 

 

 

 

 

physical interface

55

 

 

task management functions

43

SAS documents

5

 

3,

 

 

SAS Interface Manual

5

 

SCSI interface

 

 

 

 

 

 

commands supported

45

 

seek error

 

 

 

 

 

 

 

defined

16

 

 

 

 

 

rate

15

 

 

 

 

 

 

seek performance characteristics

11

seek time

 

 

 

 

 

 

 

 

average typical

11

 

 

full stroke typical

11

 

 

single track typical

11

 

 

segmented caching

54

 

 

Self-Monitoring Analysis and Reporting Technology

 

17

 

 

 

 

 

 

 

Serial Attached SCSI (SAS) Interface Manual 1

shielding

3

 

 

 

 

 

 

shipping

21

 

 

 

 

 

 

shipping container

29

 

 

shock

30

 

 

 

 

 

 

 

and vibration

30

 

 

 

shock mount

41

 

 

 

 

 

signal

 

 

 

 

 

 

 

 

 

characteristics

59

 

 

single-unit shipping pack kit

9

 

SMART

17

 

 

 

 

 

 

SMP = 1 in Mode Select command 54

spindle brake

8

 

 

 

 

 

standards

3

 

 

 

 

 

 

start/stop time

12

 

 

 

 

Sulfur

32

 

 

 

 

 

 

 

support services

71

 

 

 

surface stiffness

 

 

 

 

 

allowable for non-flat surface

41

Sustained data rate

11

 

 

switches

39

 

 

 

 

 

 

synchronized spindle

Barracuda ES.2 SAS Product Manual, Rev. E

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Contents ST31000640SS ST3750630SS ST3500620SS Barracuda ES.2 SASPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support servicesScope Barracuda ES.2 SAS Product Manual, Rev. E Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibilityCompliance Reference documents Barracuda ES.2 SAS Product Manual, Rev. E Barracuda ES.2 drive illustration General descriptionReliability Standard featuresMedia description PerformanceFormatted capacities Factory-installed optionsProgrammable drive capacity Barracuda ES.2 SAS Product Manual, Rev. E Seek performance Performance characteristicsInternal drive characteristics Access timeGeneral performance characteristics Format command execution time minutesStart/stop time Cache operation Prefetch/multi-segmented cache controlCaching write data Prefetch operation Unrecoverable Errors Reliability specificationsError rates Recoverable ErrorsPreventive maintenance Reliability and serviceSeek errors Interface errorsReporting control 4 S.M.A.R.TControlling S.M.A.R.T Performance impactPredictive failures Temperature Log Page 0DhThermal monitor Invoking DST State of the drive prior to testingDST failure definition ImplementationLog page entries Product warrantyShort test Function Code 001b Extended test Function Code 010bProduct repair and return information ShippingBarracuda ES.2 SAS Product Manual, Rev. E ST31000640SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsST3500620SS DC power requirements ST3750630SS DC power requirementsCurrent profiles General DC power requirement notesPower sequencing Conducted noise immunityTypical ST31000640SS drive +5V and +12V current profiles Typical ST3500620SS drive +5V and +12V current profiles Power dissipationBarracuda ES.2 SAS Product Manual, Rev. E Environmental limits Temperature a. OperatingShock Relative humidityEffective altitude sea level a. Operating Shock and vibrationPackage size Packaged/product weight Drop height Corrosive environment Air cleanlinessVibration a. Operating-normal AcousticsX表示该部件（于同类物品程度上）所含的危险和有毒物质超出中国RoHS MCV标准所定义的门槛值。 Physical dimensions Mechanical specificationsDrive internal defects/errors Defect and error managementDrive error recovery procedures 108.29 Background Media Scan SAS system errorsMedia Pre-Scan Idle Read After Write Deferred Auto-ReallocationDrive orientation InstallationAir flow CoolingGrounding Drive mountingBarracuda ES.2 SAS Product Manual, Rev. E Interface requirements SAS featuresDual port support Commands supported by Barracuda ES.2 SAS family drives 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 Inquiry data Mode Sense dataPage Mode Pages 2.1 ST31000640SS Mode Sense data2.2 ST3750630SS Mode Sense data 2.3 ST3500620SS Mode Sense data Miscellaneous features Miscellaneous operating features and conditionsMiscellaneous status SAS physical interface Datum B Connector requirements Physical characteristicsPin descriptions Electrical descriptionSAS pin descriptions Ready LED Out Signal characteristicsPower SAS transmitters and receiversEye masks Eye masks overview LED drive signalDifferential signals General interface characteristicsJitter tolerance masks Receive eye maskFrequency in kHz Peak-toSinusoidal JitterTransmitter signal characteristics Maximum allowable jitter Receiver signal characteristicsImpedance requirements Sheet 1 Impedance specificationsReceiver jitter tolerance Compliant jitter test pattern CjtpatImpedance requirements Sheet 2 Transmitter characteristicsElectrical TxRx connections = -5, 437dB Shows the zero-length test load Receiver characteristics Barracuda ES.2 SAS Product Manual, Rev. E Technical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index Page SAS See also cooling Page Seagate Technology LLC

ST31000640SS, ST3500620SS, ST3750630SS specifications

Seagate has been a leading name in the storage industry for decades, and its range of enterprise-class hard drives showcases advanced technologies and robust performance. The Seagate ST3750630SS, ST3500620SS, and ST31000640SS are three notable models that cater to the demands of data centers and enterprises. Each model is designed with specific features that enhance reliability and efficiency, making them suitable for various applications.

The Seagate ST3750630SS is a 750GB 15K RPM Serial Attached SCSI (SAS) drive. It boasts a high-performance architecture that allows for fast data transfer rates, making it ideal for high-load environments such as transaction processing and video streaming. This drive features an MTBF of 1.6 million hours, ensuring minimal downtime due to failures. It also employs advanced error recovery and data protection mechanisms, including error correction codes (ECC), to maintain data integrity.

Meanwhile, the ST3500620SS offers a capacity of 500GB with a spinning speed of 15K RPM as well. This drive utilizes the SAS interface, providing users with improved bandwidth and connectivity compared to traditional SATA drives. The ST3500620SS is designed with a focus on high availability, featuring a robust design that supports multiple workloads simultaneously. Its quick access times enhance overall system performance, making it a preferred choice for high-performance computing applications.

The ST31000640SS is another enterprise-class offering, delivering 1TB of storage capacity. Like its counterparts, this drive operates at 15K RPM and utilizes the SAS interface, facilitating fast data processing and retrieval. It also incorporates a dual-port design which allows for redundancy and failover capabilities. This feature is critical in enterprise environments where data access and uptime are paramount. The drive's design is optimized for durability and longevity, best suited for environments that require 24/7 operation.

All three Seagate drives feature advanced technologies such as dual-stage actuators and thermal write technology, ensuring improved read and write performance, along with reduced power consumption. Additionally, they are built to endure the rigors of enterprise workloads, including heavy I/O operations and high access demands.

In summary, the Seagate ST3750630SS, ST3500620SS, and ST31000640SS are exemplary models that reflect the company’s commitment to quality and performance in enterprise storage solutions. With their high speeds, reliability, and extensive features, these drives are well-equipped to meet the challenges of modern data-driven environments.
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