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Product comparison · 2 internal hard drives

Seagate Desktop HDD ST320DM000-25PK internal hard drive vs Seagate Desktop HDD ST4000DM000-20PK internal hard drive

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  • 25specifications compared
  • 12differ
  • 13identical
  • 3known for one product only

Key differences

  • HDD capacity
    • 320 GB
    • 4 TB
  • Storage drive buffer size
    • 16 MB
    • 64 MB
  • HDD number of cylinders
    • 1
    • 4
  • HDD number of heads
    • 2
    • 8
  • Read seek time
    • 11 ms
    • 8.5 ms
  • Write seek time
    • 12 ms
    • 9.5 ms
  • Power consumption (typical)
    • 6.19 W
    • 7.5 W
  • Power consumption (standby)
    • 0.63 W
    • 0.75 W

Side by side

Differences highlightedShow differences only
28 specifications
A

Seagate

Desktop HDD ST320DM000-25PK internal hard drive

Model ST320DM000-25PK

View product
B

Seagate

Desktop HDD ST4000DM000-20PK internal hard drive

Model ST4000DM000-20PK

View product
Features6 differ
HDD capacityDiffers320 GB4 TB
HDD size3.5"3.5"
InterfaceSerial ATA IIISerial ATA III
TypeHDDHDD
Storage drive buffer sizeDiffers16 MB64 MB
HDD number of cylindersDiffers14
HDD number of headsDiffers28
Read seek timeDiffers11 ms8.5 ms
Write seek timeDiffers12 ms9.5 ms
Bytes per sector40964096
Start/stop cyclesKnown for one300000
HDD speedKnown for one7200 RPM
Power3 differ
Power consumption (typical)Differs6.19 W7.5 W
Power consumption (standby)Differs0.63 W0.75 W
Power consumption (idle)Differs4.6 W5 W
Operating voltage5 / 12 V5 / 12 V
Start-up current2 A2 A
Operational conditionsidentical
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Packaging contentidentical
Quick start guideYesYes
Bundled softwareDiscWizardDiscWizard
Weight & dimensions2 differ
Width101.6 mm101.6 mm
Depth147 mm147 mm
HeightDiffers20 mm26.1 mm
WeightDiffers415 g610 g
Packaging data1 differ
Quantity per packDiffers25 pc(s)20 pc(s)
Other featuresidentical
Data transfer rate6 Gbit/s6 Gbit/s
CertificationKnown for oneRoHS

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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