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Product comparison · 2 internal hard drives

Seagate MOMENTUS 4200.2 120GB 8MB ATA (ST9120824A) vs Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS)

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  • 14specifications compared
  • 4differ
  • 10identical
  • 3known for one product only

Key differences

The Seagate MOMENTUS 4200.2 120GB 8MB ATA (ST9120824A) has 20 GB more HDD capacity than the Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) (120 GB vs 100 GB). The Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) has 1,200 RPM more HDD speed than the Seagate MOMENTUS 4200.2 120GB 8MB ATA (ST9120824A) (5400 RPM vs 4200 RPM). The Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS) has 0.2 W more power requirements than the Seagate MOMENTUS 4200.2 120GB 8MB ATA (ST9120824A) (2.2 W vs 2 W). Interface: Ultra-ATA/100 on the Seagate MOMENTUS 4200.2 120GB 8MB ATA (ST9120824A), Serial ATA on the Seagate Momentus 5400.2 100GB 8MB SATA (ST9100824AS).

  • HDD capacity
    • 120 GB
    • 100 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Interface
    • Ultra-ATA/100
    • Serial ATA
  • Power requirements
    • 2 W
    • 2.2 W

Side by side

Differences highlightedShow differences only
17 specifications
A

Seagate

MOMENTUS 4200.2 120GB 8MB ATA (ST9120824A)View product
B

Seagate

Momentus 5400.2 100GB 8MB SATA (ST9100824AS)View product
Features3 differ
HDD capacityDiffers120 GB100 GB
HDD speedDiffers4200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersUltra-ATA/100Serial ATA
Component forLaptopLaptop
Storage drive buffer size8 MB8 MB
Average seek time12.5 ms12.5 ms
Average latency5.56 ms5.56 ms
Bytes per sector512512
Poweridentical
Operating voltageKnown for one5 V
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Weight & dimensionsidentical
Weight100 g100 g
Other features1 differ
Power requirementsDiffers2 W2.2 W
Dimensions (WxDxH)69.85 x 100.2 x 9.5 mm69.85 x 100.2 x 9.5 mm
InternalYesYes
Acoustic pressure emissions24 dB24 dB
HDD transfer rateKnown for one150 Mbit/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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