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Product comparison · 2 internal hard drives

Samsung 40GB Ultra-ATA/133 HDD, 20-PK vs Samsung 80GB Ultra-ATA/133 HDD, 20-Pk

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  • 25specifications compared
  • 8differ
  • 17identical
  • 1known for one product only

Key differences

The Samsung 80GB Ultra-ATA/133 HDD, 20-Pk has 40 GB more HDD capacity than the Samsung 40GB Ultra-ATA/133 HDD, 20-PK (80 GB vs 40 GB). The Samsung 80GB Ultra-ATA/133 HDD, 20-Pk has 100,000 h more mean time between failures (MTBF) than the Samsung 40GB Ultra-ATA/133 HDD, 20-PK (600000 h vs 500000 h). The Samsung 40GB Ultra-ATA/133 HDD, 20-PK has 0.1 W more power consumption (typical) than the Samsung 80GB Ultra-ATA/133 HDD, 20-Pk (7.1 W vs 7 W). Operating temperature (T-T): 5 - 55 °C on the Samsung 40GB Ultra-ATA/133 HDD, 20-PK, 0 - 60 °C on the Samsung 80GB Ultra-ATA/133 HDD, 20-Pk. Power requirements: +5V / +12V on the Samsung 40GB Ultra-ATA/133 HDD, 20-PK, 5V / 12V on the Samsung 80GB Ultra-ATA/133 HDD, 20-Pk.

  • HDD capacity
    • 40 GB
    • 80 GB
  • Mean time between failures (MTBF)
    • 500000 h
    • 600000 h
  • Power consumption (typical)
    • 7.1 W
    • 7 W
  • Power consumption (standby)
    • 0.5 W
    • 1.5 W
  • Power consumption (PowerSave)
    • 0.5 W
    • 1.5 W
  • Operating temperature (T-T)
    • 5 - 55 °C
    • 0 - 60 °C
  • Power requirements
    • +5V / +12V
    • 5V / 12V
  • Drive ready time
    • 7 s
    • 5 s

Side by side

Differences highlightedShow differences only
26 specifications
A

Samsung

40GB Ultra-ATA/133 HDD, 20-PKView product
B

Samsung

80GB Ultra-ATA/133 HDD, 20-PkView product
Features2 differ
HDD capacityDiffers40 GB80 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceUltra-ATA/133Ultra-ATA/133
Storage drive buffer size2 MB2 MB
Full stroke seek time18 ms18 ms
Track to track seek time0.8 ms0.8 ms
Average seek time8.9 ms8.9 ms
Average latency4.17 ms4.17 ms
Bytes per sector512512
Mean time between failures (MTBF)Differs500000 h600000 h
Power3 differ
Power consumption (typical)Differs7.1 W7 W
Power consumption (standby)Differs0.5 W1.5 W
Power consumption (PowerSave)Differs0.5 W1.5 W
Operating voltage5 / 12 V5 / 12 V
Operational conditions1 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%
Non-operating altitude1200012000
Operating shock63 G63 G
Non-operating shock350 G350 G
Other features2 differ
Power requirementsDiffers+5V / +12V5V / 12V
Drive device, transfer rateKnown for one133 MB/s
Drive ready timeDiffers7 s5 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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