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Product comparison · 2 internal hard drives

Samsung 320GB Serial ATA II HDD vs Seagate 500GB SATA II HDD, 20Pk

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  • 17specifications compared
  • 4differ
  • 13identical
  • 18known for one product only

Key differences

The Seagate 500GB SATA II HDD, 20Pk has 180 GB more HDD capacity than the Samsung 320GB Serial ATA II HDD (500 GB vs 320 GB). The Seagate 500GB SATA II HDD, 20Pk has 0.2 ms more track to track seek time than the Samsung 320GB Serial ATA II HDD (1 ms vs 0.8 ms). The Samsung 320GB Serial ATA II HDD has 50 G more non-operating shock than the Seagate 500GB SATA II HDD, 20Pk (350 G vs 300 G).

  • HDD capacity
    • 320 GB
    • 500 GB
  • Track to track seek time
    • 0.8 ms
    • 1 ms
  • Non-operating shock
    • 350 G
    • 300 G
  • Drive ready time
    • 10 s
    • 9 s

Side by side

Differences highlightedShow differences only
35 specifications
A

Samsung

320GB Serial ATA II HDDView product
B

Seagate

500GB SATA II HDD, 20PkView product
Features2 differ
HDD capacityDiffers320 GB500 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceSerial ATA IISerial ATA II
Component forKnown for oneSurveillance system
Storage drive buffer size16 MB16 MB
Read seek timeKnown for one17 ms
Write seek timeKnown for one14 ms
Track to track seek timeDiffers0.8 ms1 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
Full stroke seek timeKnown for one18 ms
Average seek timeKnown for one8.9 ms
Average latencyKnown for one4.17 ms
Mean time between failures (MTBF)Known for one600000 h
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Power consumption (typical)Known for one8 W
Operational conditions1 differ
Operating temperature (T-T)0 - 60 °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%
Operating shock63 G63 G
Non-operating shockDiffers350 G300 G
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one635 g
Other features1 differ
Power requirements+5V; +12V+5V; +12V
Data transfer rateKnown for one3 Gbit/s
Drive ready timeDiffers10 s9 s
InternalYesYes
Drive devices burst data transfer rate (PIO)Known for one0-4
Drive devices burst data transfer rate (Ultra DMA)Known for one0-6
HDD transfer rateKnown for one300 Mbit/s
Acoustic pressure emissionsKnown for one2.4 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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