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Product comparison · 2 internal hard drives

Samsung 120GB Ultra-ATA/100 HDD vs Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA

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  • 13specifications compared
  • 7differ
  • 6identical
  • 21known for one product only

Key differences

The Samsung 120GB Ultra-ATA/100 HDD has 80 GB more HDD capacity than the Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA (120 GB vs 40 GB). The Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA has 1 ms more average seek time than the Samsung 120GB Ultra-ATA/100 HDD (13 ms vs 12 ms). The Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA has 25 G more operating shock than the Samsung 120GB Ultra-ATA/100 HDD (350 G vs 325 G). Operating altitude: -300 - 3000 m on the Samsung 120GB Ultra-ATA/100 HDD, -304.8 - 3048 m on the Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA. Non-operating altitude: -300 - 15000 m on the Samsung 120GB Ultra-ATA/100 HDD, -304.8 - 12192 m on the Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA.

  • HDD capacity
    • 120 GB
    • 40 GB
  • Average seek time
    • 12 ms
    • 13 ms
  • Operating altitude
    • -300 - 3000 m
    • -304.8 - 3048 m
  • Non-operating altitude
    • -300 - 15000 m
    • -304.8 - 12192 m
  • Operating shock
    • 325 G
    • 350 G
  • Non-operating shock
    • 1000 G
    • 800 G
  • Drive ready time
    • 4 s
    • 3 s

Side by side

Differences highlightedShow differences only
34 specifications
A

Samsung

120GB Ultra-ATA/100 HDDView product
B

Seagate

Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATAView product
Features2 differ
HDD capacityDiffers120 GB40 GB
HDD speed5400 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceKnown for oneUltra-ATA/100
Storage drive buffer sizeKnown for one8 MB
Full stroke seek time22 ms22 ms
Track to track seek timeKnown for one2 ms
Average seek timeDiffers12 ms13 ms
Average latency5.6 ms5.6 ms
Mean time between failures (MTBF)Known for one330000 h
Component forKnown for oneLaptop
Bytes per sectorKnown for one512
Poweridentical
Power consumption (typical)Known for one2 W
Power consumption (standby)Known for one0.25 W
Operating voltageKnown for one5 V
Operational conditions4 differ
Operating temperature (T-T)Known for one5 - 55 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)5 - 90%5 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating altitudeDiffers-300 - 3000 m-304.8 - 3048 m
Non-operating altitudeDiffers-300 - 15000 m-304.8 - 12192 m
Operating shockDiffers325 G350 G
Non-operating shockDiffers1000 G800 G
Other features1 differ
Power requirementsKnown for one+5V
Drive ready timeDiffers4 s3 s
InternalYesYes
Acoustic pressure emissionsKnown for one2.3 dB
Drive device, transfer rateKnown for one352 MB/s
Maximum data transfer rateKnown for one100 Mbit/s
Recording densityKnown for one835 kbit/inch
Weight & dimensionsidentical
WidthKnown for one70 mm
DepthKnown for one100 mm
HeightKnown for one9.5 mm
WeightKnown for one96 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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