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Product comparison · 2 internal hard drives

Samsung 750GB Serial ATA II HDD vs Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA

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  • 18specifications compared
  • 15differ
  • 3identical
  • 9known for one product only

Key differences

The Samsung 750GB Serial ATA II HDD has 720 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (750 GB vs 30 GB). The Samsung 750GB Serial ATA II HDD has 1,800 RPM more HDD speed than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (7200 RPM vs 5400 RPM). The Samsung 750GB Serial ATA II HDD has 1" more HDD size than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung 750GB Serial ATA II HDD, Serial ATA on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA. Operating voltage: 5 / 12 V on the Samsung 750GB Serial ATA II HDD, 5 V on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA.

  • HDD capacity
    • 750 GB
    • 30 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
    • 5.5 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
27 specifications
A

Samsung

750GB Serial ATA II HDDView product
B

Seagate

EE25.2 Series™ 2.5-inch HD 30GB SATAView product
Features7 differ
HDD capacityDiffers750 GB30 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IISerial ATA
Storage drive buffer sizeDiffers16 MB8 MB
Average seek timeDiffers8.9 ms11 ms
Average latencyDiffers4.17 ms5.5 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Power1 differ
Power consumption (typical)Known for one7.9 W
Power consumption (standby)Known for one0.8 W
Operating voltageDiffers5 / 12 V5 V
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C30 - 85 °C
Storage temperature (T-T)Differs-40 - 70 °C40 - 95 °C
Operating altitudeKnown for one-300 - 3000 m
Non-operating altitudeDiffers-300 - 12000 m15000
Operating shockKnown for one70 G
Non-operating shockKnown for one350 G
Weight & dimensions4 differ
WidthDiffers101.5 mm69.8 mm
DepthDiffers147 mm100.2 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers640 g102 g
Other featuresidentical
Power requirementsKnown for one+5V±5%, +12V±10%
Drive ready timeKnown for one12 s

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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