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Product comparison · 2 internal hard drives

Lenovo 500GB 3.5" SATA II vs Seagate Momentus 5400.4 SATA 3Gb/s 250-GB HD 25pk

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

Key differences

The Lenovo 500GB 3.5" SATA II has 250 GB more HDD capacity than the Seagate Momentus 5400.4 SATA 3Gb/s 250-GB HD 25pk (500 GB vs 250 GB). The Lenovo 500GB 3.5" SATA II has 1,800 RPM more HDD speed than the Seagate Momentus 5400.4 SATA 3Gb/s 250-GB HD 25pk (7200 RPM vs 5400 RPM). The Seagate Momentus 5400.4 SATA 3Gb/s 250-GB HD 25pk has 3.5 ms more read seek time than the Lenovo 500GB 3.5" SATA II (12 ms vs 8.5 ms). Interface: Serial ATA II on the Lenovo 500GB 3.5" SATA II, Serial ATA on the Seagate Momentus 5400.4 SATA 3Gb/s 250-GB HD 25pk.

  • HDD capacity
    • 500 GB
    • 250 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Serial ATA II
    • Serial ATA
  • Read seek time
    • 8.5 ms
    • 12 ms
  • Average latency
    • 4.2 ms
    • 5.6 ms
  • Width
    • 102 mm
    • 69.8 mm
  • Depth
    • 26 mm
    • 100.2 mm
  • Height
    • 147 mm
    • 9.5 mm

Side by side

Differences highlightedShow differences only
20 specifications
A

Lenovo

500GB 3.5" SATA IIView product
B

Seagate

Momentus 5400.4 SATA 3Gb/s 250-GB HD 25pkView product
Features5 differ
HDD capacityDiffers500 GB250 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one3.5"
InterfaceDiffersSerial ATA IISerial ATA
TypeKnown for oneHDD
Storage drive buffer size8 MB8 MB
Read seek timeDiffers8.5 ms12 ms
Average latencyDiffers4.2 ms5.6 ms
Component forKnown for oneLaptop
Write seek timeKnown for one14 ms
Poweridentical
Operating voltageKnown for one5 / 12 V
Weight & dimensions4 differ
WidthDiffers102 mm69.8 mm
DepthDiffers26 mm100.2 mm
HeightDiffers147 mm9.5 mm
WeightDiffers700 g102 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one84717050
Other featuresidentical
Windows operating systems supportedKnown for oneYes
CertificationKnown for oneBSMI, C-Tick, CE MARK, CSA, IEC, TUV, UL
Data transfer rateKnown for one3 Gbit/s
InternalKnown for oneYes

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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