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Product comparison · 2 internal hard drives

Seagate Desktop HDD ST4000DM000-20PK internal hard drive vs Seagate Desktop HDD ST500DM002-25PK internal hard drive

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

Key differences

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

Side by side

Differences highlightedShow differences only
28 specifications
A

Seagate

Desktop HDD ST4000DM000-20PK internal hard drive

Model ST4000DM000-20PK

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B

Seagate

Desktop HDD ST500DM002-25PK internal hard drive

Model ST500DM002-25PK

View product
Features6 differ
HDD capacityDiffers4 TB500 GB
HDD size3.5"3.5"
InterfaceSerial ATA IIISerial ATA III
TypeHDDHDD
Storage drive buffer sizeDiffers64 MB16 MB
HDD number of cylindersDiffers41
HDD number of headsDiffers82
Read seek timeDiffers8.5 ms11 ms
Write seek timeDiffers9.5 ms12 ms
Bytes per sector40964096
Start/stop cyclesKnown for one300000
HDD speedKnown for one7200 RPM
Power3 differ
Power consumption (typical)Differs7.5 W6.19 W
Power consumption (standby)Differs0.75 W0.63 W
Power consumption (idle)Differs5 W4.6 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
HeightDiffers26.1 mm20 mm
WeightDiffers610 g415 g
Packaging data1 differ
Quantity per packDiffers20 pc(s)25 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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