Jump to content

Momentus® 7200 Laptop Hard Drives With G-Force Protection™

G-Force Protection technology gives hard drives added free-fall drop protection

Model ST9500420ASG SATA 3Gb/s 500GB

Clear All Selections

Comparison Shop

Find the best deal.
momentus

Best-Fit Applications

  • High-performance and mainstream laptop PCs
  • Small form factor PCs
  • Workstations
  • Industrial applications
  • Non-mission-critical blade servers

 

Seagate® Momentus® hard drives provide the optimum combination of performance, capacity and mobility in a 2.5-inch form factor. They are also a good fit in certain non-PC applications, including external storage, copiers/printers and entry-level blade servers.

Key Advantages

  • Highest available notebook performance
  • G-Force Protection™ feature
  • Native Command Queuing
  • Green features:
    • Lowest-power 7200-RPM laptop hard drive yet
    • Ramp load features improve idle power consumption
  • State-of-the-art error-correction
  • Fluid dynamic bearing motor
  • Support for S.M.A.R.T. drive monitoring and reporting
  • Support for Read Multiple and Write Multiple commands

Resources:

Momentus 7200.4 SATA 3Gb/s 500-GB Hard Drive

ST9500420ASG

Specifications
Model Number ST9500420ASG
Interface SATA 3Gb/s
Cache 16MB
Capacity 500GB
Areal density (avg) 394Gb/in2
Guaranteed Sectors 976,773,168
PHYSICAL
Height 9.5mm (0.370 in)
Width 69.85mm (2.750 in)
Length 100.35mm (3.951 in)
Weight (typical) 110g (0.238 lb)
PERFORMANCE
Spindle Speed 7,200 RPM
Average latency 4.17ms
Random read seek time 11.0ms
Random write seek time 13.0ms
RELIABILITY
Annual Failure Rate 0.5
POWER
5V start max current 1.0A

Useful Links:

Find installation, troubleshooting and other support information for Momentus 7200 Laptop Hard Drives With G-Force Protection.