Read/write heads 5 Read/write power 4 read/write power and current 8 Recording density 3, 6 Recording method 6 Recording technology 6 Relative humidity 4, 12 Reliability 14

resistance 10 Retries 24 RF 14 RoHS 17 RPM 3 RRL 15

S

S.M.A.R.T. 25

S.M.A.R.T. implementation 24 Safety certification 15 SATA 6, 22

screws 12, 21 sector 5 sectors 5 Sectors per track 5

Security Disable Password 26 Security Erase Prepare 26 Security Erase Unit 26 Security Freeze Lock 26 Security Set Password 26 Security Unlock 26

Seek 24 seek mode 8 Seek power 3 Seek time 7 seek time 3 Seeking 8

Self refresh, low power 11 Serial ATA 6

Serial ATA (SATA) interface 22 serial ATA ports 2

servo electronics 8 Set Features 24 Set Max Address 24 Set Multiple Mode 25 Shock 12

Shock, nonoperating 4 Shock, operating 4 single-track seeks 7 Sleep 8, 25

Sleep mode 4, 11 sound power 4 Specification summary table 3 Spindle speed 3, 6 Spinup 8

spinup power 8

Standby 8, 25 Standby Immediate 26 Standby mode 4, 8, 11 Standby to Ready 7 Standby to ready 3 Start/stop times 7 Startup current 3 static-discharge 19 support services 32 Surge immunity 14

T

technical support services 32 temperature 4, 7, 12 Temperature gradient 4, 12 timers 11

TPI 3

Track density 3, 6 Track-to-track seek time 3, 7 TUV North America 15

U

UL 1950 15

V

Vibration 13

Vibration, nonoperating 4 Vibration, operating 4 Voltage dips, interrupts 14 Voltage tolerance 4, 10

W

Warranty 14 Weight 3 weight 6

Wet bulb temperature 4, 12 Width 3

width 6

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 7200.4 SATA Product Manual, Rev. C

35

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Seagate ST9250410ASG, ST980412ASG, ST9500420ASG, ST9320423ASG, ST9160314ASIM, ST9160412ASG, ST9120410ASG manual Tpi
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ST903203N1A2ASRK, ST905003N1A1ASRK, ST9160412AS, ST9250410ASG, ST9160412ASG specifications

Seagate technology has long been at the forefront of data storage solutions, and its line of hard drives exemplifies the blend of reliability, performance, and storage capacity. Among these, the Seagate ST9500420AS, ST9120410ASG, ST9320423AS, ST90250N1A1ASRK, and ST980412AS stand out as quality options suitable for various computing needs.

The Seagate ST9500420AS is a 500GB 2.5-inch SATA hard drive designed primarily for laptop users. It features a rotational speed of 5400 RPM, balancing performance with energy efficiency. The adoption of Advanced Format technology enhances its sector size, allowing for improved data integrity and capacity. Additionally, the drive supports Native Command Queuing (NCQ), which can optimize the drive's performance by managing multiple commands more efficiently.

Another notable model is the ST9120410ASG, a 120GB hard drive that caters to users seeking a compact yet efficient storage solution. Primarily used in laptops and external enclosures, this drive also operates at 5400 RPM. Combining a 2.5-inch form factor with a SATA interface, it allows for swift data transfers while maintaining low power consumption, which is essential for portable devices.

The ST9320423AS is another 2.5-inch hard drive, boasting a capacity of 320GB. This drive is notable for its shock protection features, which safeguard data against physical impacts, making it ideal for mobile computing environments. Like its counterparts, it also utilizes SATA technology and operates efficiently, ensuring that users have access to reliable storage without compromising on performance.

For more specialized applications, the ST90250N1A1ASRK provides a substantial 250GB capacity in a compact form factor. Engineered for demanding environments, this drive showcases Seagate's commitment to creating robust, long-lasting products. It combines speed with durability, representing an excellent choice for systems requiring frequent read/write operations.

Finally, the ST980412AS is a 80GB variant that remains a staple for users needing reliable data storage without excessive capacity. This drive supports similar technologies as its peers, ensuring effective performance for everyday computing tasks. Its lightweight design and efficient power utilization make it suitable for both personal and professional use.

In summary, these Seagate hard drives embody a blend of advanced technologies, extensive capacities, and reliability. Whether for casual use, professional applications, or portable computing, each model offers unique features tailored to meet diverse user needs. With a history of innovation, Seagate remains a leader in the data storage sector, ensuring that users have access to high-quality solutions across the board.
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