Manuals / Seagate / Computer Equipment / Computer Drive

Seagate ST9500424AS, ST9750422AS, ST9750424AS, ST9750423ASG, ST9750420ASG, ST9640422AS Tpi

Models: ST9500428AS ST9640422AS ST9750423ASG ST9750420AS ST9750420ASG ST9750424AS ST9640423AS ST9500424AS ST9640424AS ST9500423AS ST9640423ASG ST9500423ASG ST9750423AS ST9750422AS

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Read Verify Sectors Extended 24 Read Verify Sectors without Retries 24 Read/write heads 6

Read/write power 4

read/write power and current 9 Recording density 4, 7 Recording method 7 Recording technology 7 Relative humidity 5, 13 Reliability 16

resistance 11 Retries 24 RF 15 RoHS 18 RPM 4 RRL 17

S

S.M.A.R.T. 25

S.M.A.R.T. implementation 24 Safety certification 16 SATA 7, 22

screws 14, 21 sector 6 sectors 6 Sectors per track 6

Security Disable Password 25 Security Erase Prepare 25 Security Erase Unit 25 Security Freeze Lock 25 Security Set Password 25 Security Unlock 25

Seek 24 seek mode 9 Seek power 4 Seek time 8 seek time 4 Seeking 9

Self refresh, low power 12 Serial ATA 7

Serial ATA (SATA) interface 22 serial ATA ports 3

servo electronics 9 Set Features 24 Set Max Address 24 Set Multiple Mode 24 Shock 14

Shock, nonoperating 5 Shock, operating 5 single-track seeks 8 Sleep 9, 25

Sleep mode 5, 12 sound power 5 Specification summary table 4 Spindle speed 4, 7

Spinup 9 spinup power 9 Standby 9, 25 Standby Immediate 25 Standby mode 5, 9, 12 Standby to Ready 8 Standby to ready 4 Start/stop times 8 Startup current 4 static-discharge 19 support services 1 Surge immunity 15

T

technical support services 1 temperature 5, 8, 13 Temperature gradient 5, 13 timers 12

TPI 4

Track density 4, 7 Track-to-track seek time 4, 8 TUV North America 16

U

UL 1950 16

V

Vibration 14

Vibration, nonoperating 5 Vibration, operating 5 Voltage dips, interrupts 15 Voltage tolerance 5, 11

W

Warranty 16 Weight 4 weight 7

Wet bulb temperature 5, 13 Width 4

width 7

Write Buffer 25

Write DMA 25

Write DMA Extended 25 Write Long with Retries 25 Write Long without Retries 25 Write Multiple 25

Write Sectors 25

Momentus Product Manual, Rev. C

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Seagate ST9500424AS, ST9750422AS, ST9750424AS, ST9750423ASG, ST9750420ASG, ST9640422AS, ST9640423ASG, ST9640424AS Tpi
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ST9500428AS, ST9640422AS, ST9750423ASG, ST9750420AS, ST9750420ASG specifications

The Seagate ST9750422AS, ST9750423AS, ST9500423ASG, ST9640423ASG, and ST9500423AS are part of Seagate's popular lineup of SATA hard drives designed for consumer and enterprise applications. These drives are recognized for their reliability, performance, and advanced technologies, making them suitable for a variety of storage needs.

The ST9750422AS and ST9750423AS models are 7200 RPM drives with a storage capacity of 750 GB, while the ST9500423ASG and ST9640423ASG offer different capacities and characteristics tailored for specific uses. The ST9500423ASG typically features a 500 GB capacity, while the ST9640423ASG is often found with 640 GB of storage space. These drives support the Serial ATA interface, ensuring high-speed data transfer rates and compatibility with a broad range of host systems.

All drives in this series feature a robust 32 MB cache that enhances performance by allowing faster access to frequently used data. This cache is critical, especially for read/write operations that require rapid data retrieval, making these models well-suited for tasks ranging from simple home computing to more intensive applications such as gaming and multimedia editing.

The ST9750422AS and ST9750423AS models are built with technologies such as Advanced Format, which improves storage capacity and enhances error correction. Additionally, these drives employ Seagate's PowerBalance and PowerFin technologies, enabling efficient power management without compromising performance.

Reliability is a core characteristic of the Seagate ST9XXX series, featuring a mean time between failures (MTBF) of over a million hours, which translates to increased system uptime and reduced potential for data loss. The drives also include features such as Native Command Queuing (NCQ), which optimizes the processing of multiple read/write commands, further boosting performance during heavy workloads.

In conclusion, the Seagate ST9750422AS, ST9750423AS, ST9500423ASG, ST9640423ASG, and ST9500423AS hard drives represent a blend of speed, reliability, and advanced technology, making them an excellent choice for users looking for dependable storage solutions. Whether for a home PC or an enterprise server, these drives continue to deliver outstanding performance and value in a competitive market.