Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-Pk vs Seagate Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk

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  • 13specifications compared
  • 8differ
  • 5identical
  • 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 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk (400 GB vs 80 GB). The Seagate Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk has 1.6 ms more average seek time than the Samsung 400GB Serial ATA II HDD, 20-Pk (10.5 ms vs 8.9 ms). The Seagate Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk has 0.03 ms more average latency than the Samsung 400GB Serial ATA II HDD, 20-Pk (4.2 ms vs 4.17 ms). Interface: Serial ATA II on the Samsung 400GB Serial ATA II HDD, 20-Pk, Serial ATA on the Seagate Momentus 7200.1 80GB Serial ATA 7200RPM 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 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk.

  • HDD capacity
    • 400GB Serial ATA II HDD, 20-Pk:400 GB
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:80 GB
  • Interface
    • 400GB Serial ATA II HDD, 20-Pk:Serial ATA II
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:Serial ATA
  • Average seek time
    • 400GB Serial ATA II HDD, 20-Pk:8.9 ms
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:10.5 ms
  • Average latency
    • 400GB Serial ATA II HDD, 20-Pk:4.17 ms
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:4.2 ms
  • Power consumption (typical)
    • 400GB Serial ATA II HDD, 20-Pk:10 W
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:2.4 W
  • Operating temperature (T-T)
    • 400GB Serial ATA II HDD, 20-Pk:0 - 60 °C
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:5 - 55 °C
  • Operating shock
    • 400GB Serial ATA II HDD, 20-Pk:63 G
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:250 G
  • Non-operating shock
    • 400GB Serial ATA II HDD, 20-Pk:300 G
    • Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk:800 G

Side by side

Differences highlightedShow differences only (on)
Comparison of 400GB Serial ATA II HDD, 20-Pk, Momentus 7200.1 80GB Serial ATA 7200RPM 8MB 25pk bulk
38 specifications
Features4 differ
HDD capacityDiffers400 GB80 GB
HDD sizeKnown for oneUnknown — not stated by the source2.5"
InterfaceDiffersSerial ATA IISerial ATA
Component forKnown for oneUnknown — not stated by the sourceLaptop
HDD number of cylindersKnown for oneUnknown — not stated by the source16383
Average seek timeDiffers8.9 ms10.5 ms
Average latencyDiffers4.17 ms4.2 ms
Full stroke seek timeKnown for one18 msUnknown — not stated by the source
Track to track seek timeKnown for one0.8 msUnknown — not stated by the source
Mean time between failures (MTBF)Known for one600000 hUnknown — not stated by the source
Power1 differ
Power consumption (typical)Differs10 W2.4 W
Power consumption (PowerSave)Known for oneUnknown — not stated by the source0.28 W
Operating voltageKnown for oneUnknown — not stated by the source5 V
Start-up currentKnown for oneUnknown — not stated by the source1.1 A
Power consumption (off)Known for one1.3 WUnknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Operating shockDiffers63 G250 G
Non-operating shockDiffers300 G800 G
Operating relative humidity (H-H)Known for one5 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one5 - 95%Unknown — not stated by the source
Non-operating altitudeKnown for one12000Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source69.8 mm
DepthKnown for oneUnknown — not stated by the source100.2 mm
HeightKnown for oneUnknown — not stated by the source9.5 mm
WeightKnown for oneUnknown — not stated by the source115 g
Other featuresidentical
Dimensions (WxDxH)Known for oneUnknown — not stated by the source69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for oneUnknown — not stated by the source150 MB/s
External power adapterKnown for oneUnknown — not stated by the sourceNo
Mac compatibilityKnown for oneUnknown — not stated by the sourceNo
USB poweredKnown for oneUnknown — not stated by the sourceNo
Compatible productsKnown for oneUnknown — not stated by the sourcePCs
HDD transfer rateKnown for one1000 Mbit/sUnknown — not stated by the source
Drive ready timeKnown for one10 sUnknown — not stated by the source

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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