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Product comparison · 2 internal hard drives

Samsung 400GB Ultra-ATA/133 HDD, Retail vs Seagate Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulk

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  • 21specifications compared
  • 16differ
  • 5identical
  • 17known for one product only

Key differences

The Samsung 400GB Ultra-ATA/133 HDD, Retail has 320 GB more HDD capacity than the Seagate Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulk (400 GB vs 80 GB). The Samsung 400GB Ultra-ATA/133 HDD, Retail has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulk (7200 RPM vs 5400 RPM). The Samsung 400GB Ultra-ATA/133 HDD, Retail has 1" more HDD size than the Seagate Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulk (3.5" vs 2.5"). Interface: Ultra-ATA/133 on the Samsung 400GB Ultra-ATA/133 HDD, Retail, Ultra-ATA/100 on the Seagate Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulk. Operating voltage: 5 / 12 V on the Samsung 400GB Ultra-ATA/133 HDD, Retail, 5 V on the Seagate Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulk.

  • HDD capacity
    • 400 GB
    • 80 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Ultra-ATA/133
    • Ultra-ATA/100
  • Average seek time
    • 8.9 ms
    • 12.5 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Start/stop cycles
    • 50000
    • 600000
  • Power consumption (standby)
    • 0.45 W
    • 0.2 W

Side by side

Differences highlightedShow differences only
38 specifications
A

Samsung

400GB Ultra-ATA/133 HDD, RetailView product
B

Seagate

Momentus 5400.3 80GB Ultra ATA/100 5400RPM 8MB 25pk bulkView product
Features7 differ
HDD capacityDiffers400 GB80 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersUltra-ATA/133Ultra-ATA/100
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeDiffers8.9 ms12.5 ms
Average latencyDiffers4.17 ms5.6 ms
Start/stop cyclesDiffers50000600000
Mean time between failures (MTBF)Known for one600000 h
Component forKnown for oneLaptop
HDD number of headsKnown for one2
Power2 differ
Power consumption (typical)Known for one9.6 W
Power consumption (standby)Differs0.45 W0.2 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentKnown for one1 A
Operational conditions2 differ
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating shockDiffers63 G350 G
Non-operating shockDiffers300 G900 G
Weight & dimensions4 differ
WidthDiffers147 mm69.8 mm
DepthDiffers101.6 mm100.2 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers651 g102 g
Other features1 differ
Power requirementsKnown for one+5V; +12V
Drive device, transfer rateDiffers133 MB/s100 MB/s
Drive ready timeKnown for one10 s
Acoustic pressure emissionsKnown for one2.8 dB
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
External power adapterKnown for oneNo
Mac compatibilityKnown for oneNo
USB poweredKnown for oneNo
Compatible productsKnown for onePCs

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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