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Product comparison · 2 internal hard drives

Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ vs Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ

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  • 30specifications compared
  • 4differ
  • 26identical
  • 0known for one product only

Key differences

The Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ has 250 GB more HDD capacity than the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ (500 GB vs 250 GB). The Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ has 2 more HDD heads than the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ (4 vs 2). The Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ has 5.3 g more weight than the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ (98.8 g vs 93.5 g). Operating vibration: 1.0 Gs on the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ, 1 G on the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ.

  • HDD capacity
    • 250 GB
    • 500 GB
  • HDD number of heads
    • 2
    • 4
  • Operating vibration
    • 1.0 Gs
    • 1 G
  • Weight
    • 93.5 g
    • 98.8 g

Side by side

Differences highlightedShow differences only
30 specifications
A

Seagate

Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQView product
B

Seagate

Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQView product
Features2 differ
HDD capacityDiffers250 GB500 GB
HDD speed5400 RPM5400 RPM
InterfaceSerial ATA IISerial ATA II
Component forLaptopLaptop
Storage drive buffer size8 MB8 MB
HDD number of headsDiffers24
Read seek time14 ms14 ms
Track to track seek time1 ms1 ms
Average latency5.56 ms5.56 ms
Bytes per sector512512
Poweridentical
Power consumption (typical)1.54 W1.54 W
Power consumption (standby)0.22 W0.22 W
Operational conditions1 differ
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating vibrationDiffers1.0 Gs1 G
Non-operating vibration5 Gs5 Gs
Operating altitude-304.8 - 3048 m-304.8 - 3048 m
Non-operating altitude-304.8 - 12192 m-304.8 - 12192 m
Operating shock350 G350 G
Non-operating shock800 G800 G
Weight & dimensions1 differ
Width69.8 mm69.8 mm
Depth100.3 mm100.3 mm
Height9.5 mm9.5 mm
WeightDiffers93.5 g98.8 g
Other featuresidentical
Dimensions (WxDxH)69.85 x 100.33 x 9.5 mm69.85 x 100.33 x 9.5 mm
InternalYesYes
Recording density1490 kbit/inch1490 kbit/inch
Track density265265

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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