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Product comparison · 2 internal hard drives

Samsung 120GB Ultra-ATA/100 HDD vs Samsung 320GB Ultra-ATA/133 HDD

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  • 23specifications compared
  • 18differ
  • 5identical
  • 8known for one product only

Key differences

  • HDD capacity
    • 120 GB
    • 320 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Ultra-ATA/100
    • Ultra-ATA/133
  • Full stroke seek time
    • 22 ms
    • 18 ms
  • Track to track seek time
    • 2 ms
    • 0.8 ms
  • Average seek time
    • 12 ms
    • 8.9 ms
  • Average latency
    • 5.6 ms
    • 4.17 ms

Side by side

Differences highlightedShow differences only
31 specifications
A

Samsung

120GB Ultra-ATA/100 HDDView product
B

Samsung

320GB Ultra-ATA/133 HDDView product
Features9 differ
HDD capacityDiffers120 GB320 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/100Ultra-ATA/133
Storage drive buffer size8 MB8 MB
Full stroke seek timeDiffers22 ms18 ms
Track to track seek timeDiffers2 ms0.8 ms
Average seek timeDiffers12 ms8.9 ms
Average latencyDiffers5.6 ms4.17 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Differs330000 h600000 h
Power3 differ
Power consumption (typical)Differs2 W8 W
Power consumption (standby)Differs0.25 W0.45 W
Operating voltageDiffers5 V5 / 12 V
Operational conditions5 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-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 m0 - 3000 m
Non-operating altitudeDiffers-300 - 15000 m0 - 12000 m
Operating shockDiffers325 G63 G
Non-operating shockDiffers1000 G300 G
Weight & dimensionsidentical
WidthKnown for one147 mm
DepthKnown for one101.6 mm
HeightKnown for one26.1 mm
WeightKnown for one651 g
Other features1 differ
Drive ready timeDiffers4 s10 s
InternalYesYes
Power requirementsKnown for one+5V
Acoustic pressure emissionsKnown for one2.3 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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