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Product comparison · 2 internal hard drives

Samsung 320GB Serial ATA II HDD vs Seagate Momentus 5400.3 100GB SATA 25pk bulk

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  • 10specifications compared
  • 9differ
  • 1identical
  • 31known for one product only

Key differences

  • HDD capacity
    • 320 GB
    • 100 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Serial ATA
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Average seek time
    • 8.9 ms
    • 11 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
41 specifications
A

Samsung

320GB Serial ATA II HDDView product
B

Seagate

Momentus 5400.3 100GB SATA 25pk bulkView product
Features7 differ
HDD capacityDiffers320 GB100 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IISerial ATA
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers16 MB8 MB
HDD number of cylindersKnown for one1024
HDD number of headsKnown for one256
Read seek timeKnown for one22 ms
Write seek timeKnown for one24 ms
Average seek timeDiffers8.9 ms11 ms
Average latencyDiffers4.17 ms5.6 ms
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Known for one600000 h
Power1 differ
Power consumption (standby)Known for one0.2 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentKnown for one1 A
Power consumption (typical)Known for one8 W
Operational conditions1 differ
Operating shockDiffers63 G350 G
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating shockKnown for one350 G
Weight & dimensionsidentical
WidthKnown for one69.8 mm
DepthKnown for one100.2 mm
HeightKnown for one9.5 mm
WeightKnown for one102 g
Other featuresidentical
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for one150 MB/s
External power adapterKnown for oneNo
Mac compatibilityKnown for oneNo
Plug and PlayKnown for oneYes
USB poweredKnown for oneNo
HDD transfer rateKnown for one300 Mbit/s
Power requirementsKnown for one+5V; +12V
Drive ready timeKnown for one10 s
Acoustic pressure emissionsKnown for one2.4 dB

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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