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Seagate ST92011A 20GB Laptop Hard Drive

Part# 830125

 Seagate ST92011A 20GB Laptop Hard Drive


Seagate ST92011A Momentus 20GB 5400RPM Laptop Hard Drive  

Seagate ST92011A Momentus 20GB Laptop hard drive unlocks the power of notebook computers with a 5400-RPM spin speed and optional 8MB cache buffer. Momentus stands head-to-head with 4200-RPM notebook drives in BatteryMark tests, while simultaneously increasing system level performance by almost 50 percent. Seagate Momentus delivers the experience, commitment and innovation you expect from the world's leading manufacturer of disc drives.


  • Model Name: Momentus
  • Capacity: 20 GB
  • Speed: 5400 rpm
  • Seek time: 10 ms avg
  • Multisegmented Cache: 2 MB
  • Interface: ATA-6 (Ultra ATA/100)
  • 5400-RPM spin speed - Provides almost 50 percent more performance for notebook computers while maintaining battery longevity
  • 3D Defense System - Delivers reliability & shock tolerance
  • QuietStep ramp load technology - Enables whisper-quiet load/unload acoustics
  • SoftSonic FDB motor - Delivers inaudible operating acoustics
  • New, One year warranty.


Capacity and Interface
Formatted Gbytes (512 bytes/sector) 20GB
Interface Ultra ATA/100
Internal Transfer Rate (Mbits/sec) 386
Max. External Transfer Rate (Mbytes/sec) 100
Avg. Sustained Transfer Rate (Mbytes/sec) >34.5
Average Seek (msec) 10
Average Latency (msec) 5.6
Multisegmented Cache 2048
Spindle Speed (RPM) 5400
Discs/Heads 1/1
Bytes per Sector 512
Logical CHS 16383/16/63
Recording Method RLL 0,11
Reliability/Data Integrity
S.M.A.R.T. capable Yes
Nonrecoverable Read Errors per Bits Read 1 per 1014
Service Life/Limited Warranty (years) 5/1
Power Requirements
+5 VDC +/-5% (amps typ operating) 0.72
Power Management (watts):  Seek 2.4
Read/Write 2.87
Idle 1.2
Standby 0.36
Operating Temperature (C) 5 to 55
Nonoperating Temperature (C) 65 to -40
Operating Shock (Gs) @ 2 msec 225
Non Operating Shock (Gs) @ 2 msec 800
Acoustics,Idle (Bels-typ sound power) 2.3
Height (mm) 9.5
Width (mm) 69.85 >
Depth (mm) 100.2
Weight (kg) 0.099

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