Product comparison · 2 internal hard drives

2-Power 900GB 10k RPM 2.5" HDD vs Seagate 250GB 3.5

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  • 10specifications compared
  • 9differ
  • 1identical
  • 22known for one product only

Key differences

  • HDD capacity
    • 900GB 10k RPM 2.5" HDD:900 GB
    • 250GB 3.5:250.2 GB
  • HDD speed
    • 900GB 10k RPM 2.5" HDD:10000 RPM
    • 250GB 3.5:7200 RPM
  • HDD size
    • 900GB 10k RPM 2.5" HDD:2.5"
    • 250GB 3.5:3.5"
  • Interface
    • 900GB 10k RPM 2.5" HDD:SAS
    • 250GB 3.5:Serial ATA II
  • Operating voltage
    • 900GB 10k RPM 2.5" HDD:5 V
    • 250GB 3.5:5 / 12 V
  • Width
    • 900GB 10k RPM 2.5" HDD:135 mm
    • 250GB 3.5:101.6 mm
  • Depth
    • 900GB 10k RPM 2.5" HDD:78 mm
    • 250GB 3.5:147 mm
  • Height
    • 900GB 10k RPM 2.5" HDD:16 mm
    • 250GB 3.5:26.1 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of 900GB 10k RPM 2.5" HDD, 250GB 3.5
32 specifications
Features4 differ
HDD capacityDiffers900 GB250.2 GB
HDD speedDiffers10000 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSASSerial ATA II
TypeHDDHDD
Storage drive buffer sizeKnown for oneUnknown — not stated by the source16 MB
HDD number of headsKnown for oneUnknown — not stated by the source3
Read seek timeKnown for oneUnknown — not stated by the source8.5 ms
Write seek timeKnown for oneUnknown — not stated by the source10 ms
Track to track seek timeKnown for oneUnknown — not stated by the source0.8 ms
Average latencyKnown for oneUnknown — not stated by the source4.16 ms
Bytes per sectorKnown for oneUnknown — not stated by the source512
Start/stop cyclesKnown for oneUnknown — not stated by the source50000
Component forKnown for onePCUnknown — not stated by the source
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for oneUnknown — not stated by the source2.8 A
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 60 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-40 - 70 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 90%
Storage relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 95%
Operating altitudeKnown for oneUnknown — not stated by the source-60.96 - 3048 m
Non-operating altitudeKnown for oneUnknown — not stated by the source-60.96 - 12192 m
Operating shockKnown for oneUnknown — not stated by the source63 G
Non-operating shockKnown for oneUnknown — not stated by the source350 G
Weight & dimensions4 differ
WidthDiffers135 mm101.6 mm
DepthDiffers78 mm147 mm
HeightDiffers16 mm26.1 mm
WeightDiffers258 g580 g
Logistics dataidentical
Harmonized System (HS) codeKnown for oneUnknown — not stated by the source84717050
Other featuresidentical
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Linux operating systems supportedKnown for oneUnknown — not stated by the sourceYes
Compatible productsKnown for oneUnknown — not stated by the sourcePCs

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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