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Product comparison · 2 internal hard drives

Seagate 100GB HDD vs Seagate 400GB HDD

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  • 31specifications compared
  • 23differ
  • 8identical
  • 3known for one product only

Key differences

The Seagate 400GB HDD has 300 GB more HDD capacity than the Seagate 100GB HDD (400 GB vs 100 GB). The Seagate 400GB HDD has 3,000 RPM more HDD speed than the Seagate 100GB HDD (7200 RPM vs 4200 RPM). The Seagate 400GB HDD has 1" more HDD size than the Seagate 100GB HDD (3.5" vs 2.5"). Operating voltage: 5 V on the Seagate 100GB HDD, 5 / 12 V on the Seagate 400GB HDD. Operating temperature (T-T): 5 - 55 °C on the Seagate 100GB HDD, 0 - 60 °C on the Seagate 400GB HDD.

  • HDD capacity
    • 100 GB
    • 400 GB
  • HDD speed
    • 4200 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Average seek time
    • 12.5 ms
    • 8 ms
  • Average latency
    • 5.6 ms
    • 4.16 ms
  • Start/stop cycles
    • 20000
    • 50000
  • Power consumption (typical)
    • 2.3 W
    • 12.4 W
  • Power consumption (standby)
    • 0.2 W
    • 0.8 W

Side by side

Differences highlightedShow differences only
34 specifications
A

Seagate

100GB HDDView product
B

Seagate

400GB HDDView product
Features6 differ
HDD capacityDiffers100 GB400 GB
HDD speedDiffers4200 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
Component forKnown for oneLaptop
HDD number of headsKnown for one4
Average seek timeDiffers12.5 ms8 ms
Average latencyDiffers5.6 ms4.16 ms
Start/stop cyclesDiffers2000050000
Mean time between failures (MTBF)Known for one600000 h
Power7 differ
Power consumption (typical)Differs2.3 W12.4 W
Power consumption (standby)Differs0.2 W0.8 W
Power consumption (idle)Differs0.99 W7.2 W
Power consumption (read)Differs2.05 W12.8 W
Power consumption (write)Differs2.1 W12.8 W
Operating voltageDiffers5 V5 / 12 V
Start-up currentDiffers1 A2.8 A
Operational conditions6 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Operating vibrationDiffers1 G0.5 G
Operating altitudeDiffers-304.8 - 3048 m-60.96 - 3048 m
Non-operating altitudeDiffers-304.8 - 12192 m-60.96 - 12192 m
Operating shockDiffers250 G63 G
Non-operating shockDiffers900 G300 G
Weight & dimensions4 differ
WidthDiffers69.8 mm101.8 mm
DepthDiffers100.2 mm147 mm
HeightDiffers9.5 mm26.1 mm
WeightDiffers98 g635 g

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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