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Product comparison · 2 internal hard drives

Seagate 750GB Ultra-ATA/100 HDD,20Pk vs Seagate EE25 Series Ultra ATA/100 20-GB

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  • 15specifications compared
  • 13differ
  • 2identical
  • 23known for one product only

Key differences

The Seagate 750GB Ultra-ATA/100 HDD,20Pk has 730 GB more HDD capacity than the Seagate EE25 Series Ultra ATA/100 20-GB (750 GB vs 20 GB). The Seagate 750GB Ultra-ATA/100 HDD,20Pk has 1,800 RPM more HDD speed than the Seagate EE25 Series Ultra ATA/100 20-GB (7200 RPM vs 5400 RPM). The Seagate 750GB Ultra-ATA/100 HDD,20Pk has 8 MB more storage drive buffer size than the Seagate EE25 Series Ultra ATA/100 20-GB (16 MB vs 8 MB). Operating temperature (T-T): 0 - 60 °C on the Seagate 750GB Ultra-ATA/100 HDD,20Pk, -30 - 85 °C on the Seagate EE25 Series Ultra ATA/100 20-GB. Operating relative humidity (H-H): 5 - 90% on the Seagate 750GB Ultra-ATA/100 HDD,20Pk, 5 - 95% on the Seagate EE25 Series Ultra ATA/100 20-GB.

  • HDD capacity
    • 750 GB
    • 20 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Read seek time
    • 17 ms
    • 12.5 ms
  • Write seek time
    • 14 ms
    • 14.5 ms
  • Operating temperature (T-T)
    • 0 - 60 °C
    • -30 - 85 °C
  • Operating relative humidity (H-H)
    • 5 - 90%
    • 5 - 95%
  • Operating shock
    • 63 G
    • 110 G

Side by side

Differences highlightedShow differences only
38 specifications
A

Seagate

750GB Ultra-ATA/100 HDD,20PkView product
B

Seagate

EE25 Series Ultra ATA/100 20-GBView product
Features5 differ
HDD capacityDiffers750 GB20 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one3.5"
Component forKnown for oneSurveillance system
Storage drive buffer sizeDiffers16 MB8 MB
Read seek timeDiffers17 ms12.5 ms
Write seek timeDiffers14 ms14.5 ms
Track to track seek timeKnown for one1 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Average latencyKnown for one5.6 ms
Mean time between failures (MTBF)Known for one550000 h
Poweridentical
Operating voltageKnown for one5 / 12 V
Power consumption (standby)Known for one0.26 W
Start-up currentKnown for one1.5 A
Operational conditions4 differ
Operating temperature (T-T)Differs0 - 60 °C-30 - 85 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Differs5 - 90%5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating shockDiffers63 G110 G
Non-operating shockDiffers300 G800 G
Operating vibrationKnown for one1 G
Non-operating vibrationKnown for one5 G
Operating altitudeKnown for one-304.8 - 4419.6 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers147 mm100.2 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers720 g100 g
Other featuresidentical
Power requirementsKnown for one+5V; +12V
Data transfer rateKnown for one3 Gbit/s
Drive ready timeKnown for one9 s
Drive devices burst data transfer rate (PIO)Known for one0-4
Drive devices burst data transfer rate (Ultra DMA)Known for one0-6
Number of pinsKnown for one44
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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