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Product comparison · 2 internal hard drives

Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) vs Seagate WD Barracuda 7200.8 300GB 8MB (ST3300831A)

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  • 13specifications compared
  • 10differ
  • 3identical
  • 3known for one product only

Key differences

The Seagate WD Barracuda 7200.8 300GB 8MB (ST3300831A) has 200 GB more HDD capacity than the Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) (300 GB vs 100 GB). The Seagate WD Barracuda 7200.8 300GB 8MB (ST3300831A) has 1,800 RPM more HDD speed than the Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) (7200 RPM vs 5400 RPM). The Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) has 4.5 ms more average seek time than the Seagate WD Barracuda 7200.8 300GB 8MB (ST3300831A) (12.5 ms vs 8 ms). Interface: Serial ATA on the Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS), Ultra-ATA/100 on the Seagate WD Barracuda 7200.8 300GB 8MB (ST3300831A). Operating temperature (T-T): 5 - 55 °C on the Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS), 0 - 60 °C on the Seagate WD Barracuda 7200.8 300GB 8MB (ST3300831A).

  • HDD capacity
    • 100 GB
    • 300 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • Interface
    • Serial ATA
    • Ultra-ATA/100
  • Average seek time
    • 12.5 ms
    • 8 ms
  • Average latency
    • 5.56 ms
    • 4.16 ms
  • Operating temperature (T-T)
    • 5 - 55 °C
    • 0 - 60 °C
  • Weight
    • 100 g
    • 635 g
  • Power requirements
    • 2.2 W
    • 12.8 W

Side by side

Differences highlightedShow differences only
16 specifications
A

Seagate

Momentus 5400.2 100GB 8MB SATA (ST9100824AS)View product
B

Seagate

WD Barracuda 7200.8 300GB 8MB (ST3300831A)View product
Features5 differ
HDD capacityDiffers100 GB300 GB
HDD speedDiffers5400 RPM7200 RPM
InterfaceDiffersSerial ATAUltra-ATA/100
Component forKnown for oneLaptop
Average seek timeDiffers12.5 ms8 ms
Average latencyDiffers5.56 ms4.16 ms
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Weight & dimensions1 differ
WeightDiffers100 g635 g
Other features3 differ
HDD transfer rateKnown for one150 Mbit/s
Power requirementsDiffers2.2 W12.8 W
Dimensions (WxDxH)Differs69.85 x 100.2 x 9.5 mm101.6 x 146.99 x 26.11 mm
Acoustic pressure emissionsDiffers24 dB28 dB
USB poweredKnown for oneNo

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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