Jump to content

Momentus® 7200 Laptop Hard Drives

High-performance laptop storage for every application and budget

Model ST9500420AS 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 7,200-RPM laptop hard drive to date
    • Ramp load features improve idle power consumption
  • State-of-the-art error correction
  • Fluid dynamic bearing motor
  • Support for SMART drive monitoring and reporting
  • Support for Read Multiple and Write Multiple commands

Resources:

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

ST9500420AS

Specifications
Model Number ST9500420AS
Interface SATA 3Gb/s
Cache 16MB
Capacity 500GB
Areal density (avg) 394Gbits/inch2
Guaranteed Sectors 976,773,168
PHYSICAL
Height (max) 9.5mm (0.370 inches)
Width (max) 69.85mm (2.750 inches)
Length (max) 100.35mm (3.951 inches)
Weight (typical) 110grammes (0.238 pounds)
PERFORMANCE
Spindle Speed 7,200 rpm
Average latency 4.17msec
Random read seek time 11.0msec
Random write seek time 13.0msec
RELIABILITY
Annual Failure Rate 0.5
POWER
5V start max current 1.0amps

Find installation, troubleshooting and other support information for Momentus 7200 Laptop Hard Drives.