Seagate Momentus 7200.4 (ST9500420AS) 500GB SATA Laptop HDD
Product Code: NN2-72-500-SSE
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Seagate ST9500325AS Momentus 5400.6 500GB SATA Laptop Hard Drive


Manufacturer: Seagate
Mfg model #: ST9500420AS Momentus 7200.4
Condition: Brand New Factory Sealed in Anti-Static Package
Interface: SATA (Serial ATA)
Warranty: The warranty is valid for 3 years and is processed directly by Seagate.
Package Includes: 500GB Seagate Momentus 7200.4 (ST9500420AS) 500GB 7200 RPM laptop hard drive
* The OEM package does not include software or accessories.
  • SATA 3Gb/s NCQ interface
  • 16-MB cache on every capacity
  • Perpendicular recording technology
  • 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

Drive Configuration
Capacity 500 GB
Interface SATA (Serial ATA 3.0 Gbps)
Buffer Size 16 MB
Rotational Speed 7200 RPM

Performance Specifications
Random Read Seek time 11 ms
Average Latency 4.17 ms
Interface Transfer Rate (Max.) 3.0 Gb/s

Power Requirenents
Voltage +5V±5%
Spin-up Current (Max.) 1.0 A
Read/Write (typical) 2.5 W

Physical Dimension
Height (Max.) 9.5 mm
Width 69.85 mm
Weight(avg.) 96 g