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Product comparison · 2 internal hard drives

Seagate 5400.4 SATA 250GB vs Seagate Momentus 5400.2 40GB 8MB 25pk

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  • 18specifications compared
  • 6differ
  • 12identical
  • 25known for one product only

Key differences

The Seagate 5400.4 SATA 250GB has 210 GB more HDD capacity than the Seagate Momentus 5400.2 40GB 8MB 25pk (250 GB vs 40 GB). The Seagate Momentus 5400.2 40GB 8MB 25pk has 0.08 W more power consumption (standby) than the Seagate 5400.4 SATA 250GB (0.28 W vs 0.2 W). The Seagate 5400.4 SATA 250GB has 75 G more operating shock than the Seagate Momentus 5400.2 40GB 8MB 25pk (325 G vs 250 G). Operating temperature (T-T): 0 - 60 °C on the Seagate 5400.4 SATA 250GB, 5 - 55 °C on the Seagate Momentus 5400.2 40GB 8MB 25pk.

  • HDD capacity
    • 250 GB
    • 40 GB
  • Power consumption (standby)
    • 0.2 W
    • 0.28 W
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C
  • Operating shock
    • 325 G
    • 250 G
  • Depth
    • 100.2 mm
    • 100.5 mm
  • Weight
    • 102 g
    • 100 g

Side by side

Differences highlightedShow differences only
43 specifications
A

Seagate

5400.4 SATA 250GBView product
B

Seagate

Momentus 5400.2 40GB 8MB 25pkView product
Features1 differ
HDD capacityDiffers250 GB40 GB
HDD speed5400 RPM5400 RPM
HDD size2.5"2.5"
InterfaceSerial ATASerial ATA
TypeKnown for oneHDD
Component forLaptopLaptop
Storage drive buffer size8 MB8 MB
HDD number of headsKnown for one4
Read seek timeKnown for one12 ms
Write seek timeKnown for one14 ms
Full stroke seek timeKnown for one20 ms
Track to track seek timeKnown for one2.5 ms
Average latency5.6 ms5.6 ms
Bytes per sector512512
Start/stop cyclesKnown for one600000
Average seek timeKnown for one12.5 ms
Power1 differ
Power consumption (standby)Differs0.2 W0.28 W
Power consumption (PowerSave)Known for one0.2 W
Power consumption (idle)Known for one0.6 W
Power consumption (read)Known for one2 W
Power consumption (write)Known for one1.6 W
Operating voltage5 V5 V
Start-up currentKnown for one1 A
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one1 G
Non-operating vibrationKnown for one5 G
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockDiffers325 G250 G
Non-operating shock900 G900 G
Weight & dimensions2 differ
Width69.8 mm69.8 mm
DepthDiffers100.2 mm100.5 mm
Height9.5 mm9.5 mm
WeightDiffers102 g100 g
Packaging dataidentical
Quantity per packKnown for one1 pc(s)
Other featuresidentical
Drive ready timeKnown for one3 s
Windows operating systems supportedKnown for oneYes
Drive device, transfer rateKnown for one150 MB/s
InternalKnown for oneYes
Mac compatibilityKnown 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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