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Seagate Momentus 5400.3 160GB Mobile HDD
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by Rob Williams on March 21, 2006 in Hard Drives

If you demand to be mobile and still have the hard drive space you need, then you should look at the Seagate Momentus 5400.3. It’s the first mobile drive to be equipped with a full 160GB of disk space, and still retains great speed.

Introduction

If you are a laptop user, you have had a constant problem. The lack of hard drive space. When I first purchased my Dell Inspiron in the summer of 2004, it included a very large 60GB hard drive. At that time, 80GB was the top hard drive available in a consumer laptop, but even that can get used up quickly. With all the MP3′s, video files and games we play, we can run out of hard drive space very quickly. Matters are even worse if you use your notebook as your primary PC.

There are a couple things that make the 5400.3 not so ordinary. Despite it’s small frame, it packs a huge 160GB store space. It also makes use of the perpendicular magnetic recording technique to make this possible. The Momentus 5400.3 comes in 6 different sizes, but the specs are virtually the same except for the discs/heads.

    Model Numbers

  • 40GB: ST940815A (Ultra ATA/100)
  • 60GB: ST960815A (Ultra ATA/100)
  • 80GB: ST980815A (Ultra ATA/100)
  • 100GB: ST9100828A (Ultra ATA/100)
  • 120GB: ST9120822A (Ultra ATA/100)
  • 160GB: ST9160821A (Ultra ATA/100)
    Performance

      Transfer Rates

    • Sustained Internal: 44MB/s
    • Maximum External: 100MB/s
  • Cache, Multisegmented: 8MB
  • Average Seek: 12ms
  • Average Latency: 5.6ms
  • Performance Level: 5400 RPM
    Configuration

  • Discs/Heads: 2/4
  • Bytes per Sector: 512
  • Logical CHS: 92,049/16/63
  • Recording Method: Perpendicular
    Power Management

  • Startup Current 5v (amps max): 1.0
    • Power Mgmt (watts)

    • Seek: 2.0
    • Read/Write: 2.0/1.8
    • Idle/Standby: 0.8/0.2
    Environmental

  • Temperature, Operating (°C): 0 – 60
  • Temperature, Nonoperating (°C): -40 – 70
  • Shock, Operating: 2 msec (Gs): 350
  • Shock, Nonoperating: 1 msec (Gs): 900
    • Acoustics (bels sound power):

    • Idle: 2.3
    • Performance Seek: 2.9
    Physical

  • Height: (in/mm): .374/9.5
  • Width: (in/mm): 2.75/69.85
  • Depth: (in/mm): 3.945/100.2
  • Weight: (lb/g): .22/102