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Description: Ships: Price:
500GB 2.5" Seagate Momentus 7200.4 7200RPM SATA 9.5mm Notebook drive with 16MB Cache - New with 3 Year Seagate Warranty. (SEAST9500420AS) Same Day $129.99
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Momentus 7200.4
A powerful combination of capacity, mobility and durability for both mainstream and high-performance notebook computers.

500 GB • 7200 RPM • 2.5-Inch Laptop Hard Drive


  • Power efficient so you can work longer between laptop battery charges.
  • Built to withstand demanding use environments where rough handling or high levels of vibration might be encountered.
  • Near silent operation with innovative SoftSonic(TM) fluid-dynamic bearing motors and QuietStep(TM) ramp load technology.

 

Key Technical Features

  • Highest available notebook performance increases productivity in all environments.
  • 500-GB capacity.
  • Native Command Queuing (NCQ) with command ordering.
  • Green features:
    • Leverages Seagate laptop power management technology, delivering the lowest-power 7200-RPM laptop hard drive yet.
    • Utilizes ramp load features which remove the head from the disk during idle periods, improving idle power consumption and adding to the durability of the drive.
  • Built tough enough to withstand up to 1,000 Gs of non-operating shock and 350 Gs of operating shock to protect drive data.
  • State-of-the-art cache and on-the-fly error-correction algorithms.
  • Fluid dynamic bearing motor for quiet operation.
  • Support for S.M.A.R.T. drive monitoring and reporting.
  • Support for Read Multiple and Write Multiple commands.


Best-Fit Applications


Specifications

500 GB1
Model Number ST9500420AS
Interface SATA 3Gb/s
Performance
Cache (MB) 16
Average Latency (ms) 4.17
Spindle Speed (RPM) 7200
Configuration/Organization
Logical CHS 16,383/16/63
Bytes per Sector 512
Reliability/Data integrity
Recording Method 16/17 EPRML
Head-Rest Method QuietStep™ Ramp Load
Load/Unload Cycles 600,000
Nonrecoverable Read Errors per Bits Read 1 per 1014 bits read
Annualized Failure Rate (AFR) 0.5%
Mean Time Between Failures (MTBF, hours) 500,000
Limited Warranty (years) 3
Power Management
Startup Current 5v (amps max) 1.0
Power Mgmt (watts)
Seek, Typical
Idle/ Typical
1.554
0.67
Environmental
Temperature (°C)
Operating
Nonoperating
0 to 60
–40 to 70
Shock (G)
Operating: 2 ms
Nonoperating: 1 ms
350
1000

Acoustics (bels—sound power)
Idle
Performance Seek

2.3
2.5
Physical
Height (in/mm) 0.370/9.5
Width (in/mm) 2.75/69.85
Depth (in/mm) 3.951/100.35
Weight (lb/g) 0.238/110
  1. One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity.

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