Seagate Momentus 7200.4 (ST9320423AS) 320GB SATA Laptop HDD
Product Code: NN2-72-320-SSE
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Seagate ST9500325AS Momentus 5400.6 500GB SATA Laptop Hard Drive


Manufacturer: Seagate
Mfg model #: ST9320423AS 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: 320GB Seagate ST9320423AS Momentus 7200.4 320GB 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
  • G-Force Protection™ available for added robustness in mobile environments
  • 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
  • QuietStep™ ramp load technology enables ultra-quiet load/unload acoustics
  • Perpendicular recording technology

Drive Configuration
Capacity 320 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