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Product comparison · 2 internal hard drives

Samsung 30GB Ultra ATA Hard Drive vs Samsung 80GB Ultra ATA Hard Drive

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  • 29specifications compared
  • 18differ
  • 11identical
  • 2known for one product only

Key differences

The Samsung 80GB Ultra ATA Hard Drive has 50 GB more HDD capacity than the Samsung 30GB Ultra ATA Hard Drive (80 GB vs 30 GB). The Samsung 80GB Ultra ATA Hard Drive has 1,800 RPM more HDD speed than the Samsung 30GB Ultra ATA Hard Drive (7200 RPM vs 5400 RPM). The Samsung 80GB Ultra ATA Hard Drive has 1" more HDD size than the Samsung 30GB Ultra ATA Hard Drive (3.5" vs 2.5"). Operating voltage: 5 V on the Samsung 30GB Ultra ATA Hard Drive, 5 / 12 V on the Samsung 80GB Ultra ATA Hard Drive. Power requirements: +5V±5% on the Samsung 30GB Ultra ATA Hard Drive, 5V°±5% / 12V°±10% on the Samsung 80GB Ultra ATA Hard Drive.

  • HDD capacity
    • 30 GB
    • 80 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Full stroke seek time
    • 22 ms
    • 18 ms
  • Track to track seek time
    • 2 ms
    • 0.8 ms
  • Average latency
    • 5.6 ms
    • 4.17 ms
  • Start/stop cycles
    • 300000
    • 50000
  • Mean time between failures (MTBF)
    • 330000 h
    • 500000 h

Side by side

Differences highlightedShow differences only
31 specifications
A

Samsung

30GB Ultra ATA Hard DriveView product
B

Samsung

80GB Ultra ATA Hard DriveView product
Features8 differ
HDD capacityDiffers30 GB80 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceUltra-ATA/133Ultra-ATA/133
Storage drive buffer size8 MB8 MB
Access timeKnown for one12 ms
Full stroke seek timeDiffers22 ms18 ms
Track to track seek timeDiffers2 ms0.8 ms
Average latencyDiffers5.6 ms4.17 ms
Bytes per sector512512
Start/stop cyclesDiffers30000050000
Mean time between failures (MTBF)Differs330000 h500000 h
Average seek timeKnown for one8.9 ms
Power2 differ
Power consumption (standby)Differs0.25 W0.5 W
Operating voltageDiffers5 V5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)5 - 55 °C5 - 55 °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 altitude-305 - 3050 m-305 - 3050 m
Non-operating altitude-305 - 12200 m-305 - 12200 m
Operating shockDiffers250 G63 G
Non-operating shock350 G350 G
Weight & dimensions4 differ
WidthDiffers100 mm101.6 mm
DepthDiffers70 mm146.1 mm
HeightDiffers9.5 mm25.4 mm
WeightDiffers100 g635 g
Other features3 differ
Power requirementsDiffers+5V±5%5V°±5% / 12V°±10%
Drive device, transfer rateDiffers100 MB/s133 MB/s
Drive ready timeDiffers4 s7 s
InternalYesYes

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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