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Product comparison · 2 internal hard drives

Lenovo 500GB 3.5" SATA II vs Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk

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  • 11specifications compared
  • 10differ
  • 1identical
  • 9known for one product only

Key differences

The Lenovo 500GB 3.5" SATA II has 480 GB more HDD capacity than the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk (500 GB vs 20 GB). The Lenovo 500GB 3.5" SATA II has 1,800 RPM more HDD speed than the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk (7200 RPM vs 5400 RPM). The Lenovo 500GB 3.5" SATA II has 1" more HDD size than the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk (3.5" vs 2.5"). Interface: Serial ATA II on the Lenovo 500GB 3.5" SATA II, Ultra-ATA/100 on the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk. Operating voltage: 5 / 12 V on the Lenovo 500GB 3.5" SATA II, 5 V on the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk.

  • HDD capacity
    • 500 GB
    • 20 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Read seek time
    • 8.5 ms
    • 12.5 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V
  • Width
    • 102 mm
    • 69.8 mm
  • Depth
    • 26 mm
    • 100.2 mm

Side by side

Differences highlightedShow differences only
20 specifications
A

Lenovo

500GB 3.5" SATA IIView product
B

Seagate

EE25 Series™ Ultra ATA/100 20-GB HD 25pkView product
Features5 differ
HDD capacityDiffers500 GB20 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
TypeKnown for oneHDD
Read seek timeDiffers8.5 ms12.5 ms
Average latencyKnown for one4.2 ms
Write seek timeKnown for one14.5 ms
Power1 differ
Operating voltageDiffers5 / 12 V5 V
Weight & dimensions4 differ
WidthDiffers102 mm69.8 mm
DepthDiffers26 mm100.2 mm
HeightDiffers147 mm9.5 mm
WeightDiffers700 g100 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
Power requirementsKnown for one5V ± 5%
Drive device, transfer rateKnown for one100 MB/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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