Product comparison · 2 internal hard drives

Seagate Desktop HDD ST4000DM000-20PK internal hard drive vs Seagate Desktop SSHD ST4000DX001-20PK internal hard drive

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  • 23specifications compared
  • 4differ
  • 19identical
  • 7known for one product only

Key differences

The Seagate Desktop SSHD ST4000DX001-20PK internal hard drive has 3.5 ms more read seek time than the Seagate Desktop HDD ST4000DM000-20PK internal hard drive (12 ms vs 8.5 ms). The Seagate Desktop SSHD ST4000DX001-20PK internal hard drive has 2.5 ms more write seek time than the Seagate Desktop HDD ST4000DM000-20PK internal hard drive (12 ms vs 9.5 ms). The Seagate Desktop SSHD ST4000DX001-20PK internal hard drive has 1.2 W more power consumption (idle) than the Seagate Desktop HDD ST4000DM000-20PK internal hard drive (6.2 W vs 5 W). Type: HDD on the Seagate Desktop HDD ST4000DM000-20PK internal hard drive, Hybrid-HDD on the Seagate Desktop SSHD ST4000DX001-20PK internal hard drive.

  • Type
    • Desktop HDD ST4000DM000-20PK internal hard drive:HDD
    • Desktop SSHD ST4000DX001-20PK internal hard drive:Hybrid-HDD
  • Read seek time
    • Desktop HDD ST4000DM000-20PK internal hard drive:8.5 ms
    • Desktop SSHD ST4000DX001-20PK internal hard drive:12 ms
  • Write seek time
    • Desktop HDD ST4000DM000-20PK internal hard drive:9.5 ms
    • Desktop SSHD ST4000DX001-20PK internal hard drive:12 ms
  • Power consumption (idle)
    • Desktop HDD ST4000DM000-20PK internal hard drive:5 W
    • Desktop SSHD ST4000DX001-20PK internal hard drive:6.2 W

Side by side

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Comparison of ST4000DM000-20PK, ST4000DX001-20PK
30 specifications
Features3 differ
HDD capacity4 TB4 TB
HDD size3.5"3.5"
InterfaceSerial ATA IIISerial ATA III
TypeDiffersHDDHybrid-HDD
Storage drive buffer size64 MB64 MB
HDD number of cylinders44
HDD number of heads88
Read seek timeDiffers8.5 ms12 ms
Write seek timeDiffers9.5 ms12 ms
Bytes per sector40964096
Start/stop cycles300000300000
Hybrid-HDD cache memoryKnown for oneUnknown — not stated by the source8 GB
Power1 differ
Power consumption (typical)7.5 W7.5 W
Power consumption (standby)0.75 W0.75 W
Power consumption (idle)Differs5 W6.2 W
Operating voltage5 / 12 V5 / 12 V
Start-up currentKnown for one2 AUnknown — not stated by the source
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 guideKnown for oneYesUnknown — not stated by the source
Bundled softwareKnown for oneDiscWizardUnknown — not stated by the source
Weight & dimensionsidentical
Width101.6 mm101.6 mm
Depth147 mm147 mm
Height26.1 mm26.1 mm
Weight610 g610 g
Packaging dataidentical
Quantity per pack20 pc(s)20 pc(s)
Other featuresidentical
Data transfer rate6 Gbit/s6 Gbit/s
CertificationKnown for oneRoHSUnknown — not stated by the source
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Mac operating systems supportedKnown for oneUnknown — not stated by the sourceYes

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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