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Product comparison · 2 internal hard drives

Seagate 18.4GB HDD vs Seagate 200GB HDD

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  • 24specifications compared
  • 16differ
  • 8identical
  • 10known for one product only

Key differences

The Seagate 200GB HDD has 181.6 GB more HDD capacity than the Seagate 18.4GB HDD (200 GB vs 18.4 GB). The Seagate 18.4GB HDD has 7,800 RPM more HDD speed than the Seagate 200GB HDD (15000 RPM vs 7200 RPM). The Seagate 200GB HDD has 2 more HDD heads than the Seagate 18.4GB HDD (4 vs 2). Interface: SCSI on the Seagate 18.4GB HDD, Serial ATA on the Seagate 200GB HDD.

  • HDD capacity
    • 18.4 GB
    • 200 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • Interface
    • SCSI
    • Serial ATA
  • HDD number of heads
    • 2
    • 4
  • Read seek time
    • 3.6 ms
    • 8.5 ms
  • Write seek time
    • 3.9 ms
    • 9.5 ms
  • Track to track seek time
    • 0.4 ms
    • 1.2 ms
  • Average latency
    • 2 ms
    • 4.16 ms

Side by side

Differences highlightedShow differences only
34 specifications
A

Seagate

18.4GB HDDView product
B

Seagate

200GB HDDView product
Features9 differ
HDD capacityDiffers18.4 GB200 GB
HDD speedDiffers15000 RPM7200 RPM
InterfaceDiffersSCSISerial ATA
HDD number of headsDiffers24
Read seek timeDiffers3.6 ms8.5 ms
Write seek timeDiffers3.9 ms9.5 ms
Track to track seek timeDiffers0.4 ms1.2 ms
Average latencyDiffers2 ms4.16 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Differs1200000 h600000 h
Component forKnown for oneServer/workstation
Average seek timeKnown for one3.6 ms
Power1 differ
Start-up currentDiffers1.03 A2.8 A
Power consumption (idle)Known for one9 W
Operational conditions3 differ
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating vibrationDiffers2 G5 G
Operating altitudeKnown for one-60.96 - 3048 m
Non-operating altitudeKnown for one-60.96 - 12192 m
Operating shockDiffers60 G63 G
Non-operating shockDiffers250 G350 G
Weight & dimensions3 differ
DepthDiffers146.6 mm147 mm
HeightDiffers25.4 mm26 mm
WeightDiffers800 g635 g
Other featuresidentical
Drive ready timeKnown for one10 s

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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