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Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-Pk vs Seagate Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulk

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  • 12specifications compared
  • 8differ
  • 4identical
  • 25known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD, 20-Pk has 320 GB more HDD capacity than the Seagate Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulk (400 GB vs 80 GB). The Samsung 400GB Serial ATA II HDD, 20-Pk has 3,000 RPM more HDD speed than the Seagate Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulk (7200 RPM vs 4200 RPM). The Seagate Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulk has 3.6 ms more average seek time than the Samsung 400GB Serial ATA II HDD, 20-Pk (12.5 ms vs 8.9 ms). Interface: Serial ATA II on the Samsung 400GB Serial ATA II HDD, 20-Pk, Ultra-ATA/100 on the Seagate Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulk. Operating temperature (T-T): 0 - 60 °C on the Samsung 400GB Serial ATA II HDD, 20-Pk, 5 - 55 °C on the Seagate Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulk.

  • HDD capacity
    • 400 GB
    • 80 GB
  • HDD speed
    • 7200 RPM
    • 4200 RPM
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Average seek time
    • 8.9 ms
    • 12.5 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C
  • Operating shock
    • 63 G
    • 250 G
  • Non-operating shock
    • 300 G
    • 900 G

Side by side

Differences highlightedShow differences only
37 specifications
A

Samsung

400GB Serial ATA II HDD, 20-PkView product
B

Seagate

Momentus 4200.2 80GB Ultra ATA/100 4200RPM 8MB 25pk bulkView product
Features5 differ
HDD capacityDiffers400 GB80 GB
HDD speedDiffers7200 RPM4200 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Component forKnown for oneLaptop
Storage drive buffer size8 MB8 MB
Average seek timeDiffers8.9 ms12.5 ms
Average latencyDiffers4.17 ms5.6 ms
Bytes per sector512512
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Mean time between failures (MTBF)Known for one600000 h
Poweridentical
Power consumption (standby)Known for one0.26 W
Operating voltageKnown for one5 V
Start-up currentKnown for one1 A
Power consumption (typical)Known for one10 W
Power consumption (off)Known for one1.3 W
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating shockDiffers63 G250 G
Non-operating shockDiffers300 G900 G
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating altitudeKnown for one12000
Weight & dimensionsidentical
WidthKnown for one69.8 mm
DepthKnown for one100.2 mm
HeightKnown for one9.5 mm
WeightKnown for one100 g
Other featuresidentical
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for one100 MB/s
External power adapterKnown for oneNo
InternalYesYes
Mac compatibilityKnown for oneNo
USB poweredKnown for oneNo
Compatible productsKnown for onePCs
HDD transfer rateKnown for one1000 Mbit/s
Drive ready timeKnown for one10 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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