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Product comparison · 2 internal hard drives

Samsung 750GB Serial ATA II HDD vs Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk

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  • 17specifications compared
  • 9differ
  • 8identical
  • 18known for one product only

Key differences

The Samsung 750GB Serial ATA II HDD has 500 GB more HDD capacity than the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk (750 GB vs 250 GB). The Samsung 750GB Serial ATA II HDD has 0.01 ms more average latency than the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk (4.17 ms vs 4.16 ms). The Samsung 750GB Serial ATA II HDD has 7 G more operating shock than the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk (70 G vs 63 G). Interface: Serial ATA II on the Samsung 750GB Serial ATA II HDD, Serial ATA on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk. Operating temperature (T-T): 0 - 60 °C on the Samsung 750GB Serial ATA II HDD, 5 - 55 °C on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pk.

  • HDD capacity
    • 750 GB
    • 250 GB
  • Interface
    • Serial ATA II
    • Serial ATA
  • Average latency
    • 4.17 ms
    • 4.16 ms
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C
  • Operating shock
    • 70 G
    • 63 G
  • Non-operating shock
    • 350 G
    • 300 G
  • Width
    • 101.5 mm
    • 101.6 mm
  • Height
    • 26.1 mm
    • 20 mm

Side by side

Differences highlightedShow differences only
35 specifications
A

Samsung

750GB Serial ATA II HDDView product
B

Seagate

Barracuda ES.2 SATA 3.0-Gb/s 250-GB HD 20pkView product
Features3 differ
HDD capacityDiffers750 GB250 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersSerial ATA IISerial ATA
Storage drive buffer size16 MB16 MB
Average seek timeKnown for one8.9 ms
Average latencyDiffers4.17 ms4.16 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
Read seek timeKnown for one8.5 ms
Write seek timeKnown for one9.5 ms
Track to track seek timeKnown for one0.8 ms
Mean time between failures (MTBF)Known for one1200000 h
Poweridentical
Power consumption (typical)Known for one7.9 W
Power consumption (standby)Known for one0.8 W
Operating voltage5 / 12 V5 / 12 V
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating altitudeKnown for one-300 - 3000 m
Non-operating altitudeKnown for one-300 - 12000 m
Operating shockDiffers70 G63 G
Non-operating shockDiffers350 G300 G
Weight & dimensions3 differ
WidthDiffers101.5 mm101.6 mm
Depth147 mm147 mm
HeightDiffers26.1 mm20 mm
WeightDiffers640 g362 g
Other featuresidentical
Power requirementsKnown for one+5V±5%, +12V±10%
Drive ready timeKnown for one12 s
InternalYesYes
HDD transfer rateKnown for one1287 Mbit/s
Data transfer rateKnown for one3 Gbit/s
USB poweredKnown for oneNo
Sustained data rateKnown for one105 MB/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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