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Description: Ships: Price:
40GB 2.5" Seagate Momentus 5400RPM ATA Notebook drive with 8MB Cache, 24/7 Uptime - New with 5 Year Seagate Warranty. (SEAST94811AB) Same Day $46.95
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Momentus
Harness the power of experience, commitment and innovation
from the industry’s only independent supplier of notebook drives

40 GB • 5400-RPM Performance • 2.5-Inch Laptop drive with 24/7 uptime

Key Advantages

  • 5,400-RPM spin speed delivers blazing notebook performance while preserving battery life with 4,200-like power consumption.
  • 8-Mbyte cache option provides optimal performance to deliver desktop-like performance on notebook computers.
  • Inaudible acoustics provided by proven Seagate® SoftSonic™ FDB motor and QuietStep™ ramp load technology
  • Robust design and 225-G operational shock tolerance to withstand today’s rugged notebook operating environment
  • Available from the industry’s only independent supplier of notebook disc drives
  • 5-year Warranty
  • 24/7 Uptime performance - Designed for the most demanding environments


Best-Fit Applications

  • Notebook computers
  • External storage
  • Digital audio
  • Blade servers
  • Tablet PCs

The Seagate 3D Defense System — No One Does More to Protect Your Drives

DRIVE DEFENSE

  • QuietStep ramp load technology provides additional protection against shock while delivering whisper-quiet load/unload acoustics.
  • G-Force Protection guards the drive against nonoperating shock and prevents damage to the motor, heads, head-arm, clamp and discs during shipping, handling and daily operation.

DATA DEFENSE

  • ECC (error-correction code) performs fast on-the-fly data validation and error checking for reliable data storage and retrieval.
  • Safe Sparing ensures data is not compromised by reserving spare sectors on a drive and substituting them if defects are detected in other sectors.
  • CBDS (continuous background defect scanning) proactively identifies and eliminates defects.

DIAGNOSTIC DEFENSE

  • SeaTools™ Suite diagnostic software is designed to reduce drive returns, decrease drive repair costs and protect data.
  • Web-based tools enable users to identify and solve common system-related issues.
  • Enhanced S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) predicts and prevents problems transparently before they affect the end user.
  • NDST (Enhanced Drive Self-Test) reduces diagnostic time.

Specifications

40 GB1
Model Number ST94811A
Interface (Mbytes/sec) Ultra ATA/100
Performance

Transfer Rate
Maximum Internal (Mbytes/sec)
Maximum External (Mbytes/sec)

69.5
300/150
Sustained Transfer Rate (Mbytes/sec) 34.5
Cache, Multisegmented (Mbytes) 2, 8
Average Seek (msec) 12.0
Average Latency (msec) 5.6
Spindle Speed (RPM) 5,400
Configuration/Organization
Discs/Heads 1/2
Bytes per Sector 512
Logical CHS 16,383/16/63
Recording Method RLL 0,11
Reliability/Data integrity
Head-Rest Method QuietStep™ Ramp Load
3D Defense System™ Yes
Nonrecoverable Read Errors per Bits Read 1 per 1014 bits read
Power Management
+5 VDC ±5% (amps max) 1.2
Power Mgmt (watts)
Seek
Read/Write Avg.
Idle/Standby
2.4
2.4
.97/.36
Environmental
Temperature (°C)
Operating
Nonoperating
5 to 55
-40 to 65
Shock (G)
Operating: 2 msec (Gs)
Nonoperating: 1 and 2 msec (Gs)
225
800

Acoustics (bels—sound power)
Idle
Quiet Seek
Performance Seek

2.3
2.5
3.0
Physical
Height (in/mm) .374/9.5
Width (in/mm) 2.75/69.85
Depth (in/mm) 3.945/100.2
Weight (lb/g) .218/99
  1. Capacity calculated as 1 Gbyte = 109 bytes

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