Product comparison · 2 internal hard drives

Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive vs Seagate SV35 Series 500 GB Ultra ATA 100 20pk

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  • 10specifications compared
  • 7differ
  • 3identical
  • 20known for one product only

Key differences

The Seagate SV35 Series 500 GB Ultra ATA 100 20pk has 250 GB more HDD capacity than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (500 GB vs 250 GB). The Seagate SV35 Series 500 GB Ultra ATA 100 20pk has 1,800 RPM more HDD speed than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (7200 RPM vs 5400 RPM). The Seagate SV35 Series 500 GB Ultra ATA 100 20pk has 6 ms more read seek time than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (17 ms vs 11 ms). Interface: Serial ATA on the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive, Serial ATA II on the Seagate SV35 Series 500 GB Ultra ATA 100 20pk.

  • HDD capacity
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:250 GB
    • SV35 Series 500 GB Ultra ATA 100 20pk:500 GB
  • HDD speed
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:5400 RPM
    • SV35 Series 500 GB Ultra ATA 100 20pk:7200 RPM
  • Interface
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:Serial ATA
    • SV35 Series 500 GB Ultra ATA 100 20pk:Serial ATA II
  • Read seek time
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:11 ms
    • SV35 Series 500 GB Ultra ATA 100 20pk:17 ms
  • Write seek time
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:13 ms
    • SV35 Series 500 GB Ultra ATA 100 20pk:14 ms
  • Operating shock
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:1000 G
    • SV35 Series 500 GB Ultra ATA 100 20pk:63 G
  • Weight
    • ThinkPad 250GB 5400rpm Serial ATA Hard drive:102 g
    • SV35 Series 500 GB Ultra ATA 100 20pk:690 g

Side by side

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Comparison of ThinkPad 250GB 5400rpm Serial ATA Hard drive, SV35 Series 500 GB Ultra ATA 100 20pk
30 specifications
Features5 differ
HDD capacityDiffers250 GB500 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for oneUnknown — not stated by the source3.5"
InterfaceDiffersSerial ATASerial ATA II
Component forKnown for oneUnknown — not stated by the sourceSurveillance system
Storage drive buffer sizeKnown for oneUnknown — not stated by the source16 MB
Read seek timeDiffers11 ms17 ms
Write seek timeDiffers13 ms14 ms
Track to track seek timeKnown for oneUnknown — not stated by the source0.8 ms
Start/stop cyclesKnown for oneUnknown — not stated by the source50000
HDD number of headsKnown for one4Unknown — not stated by the source
Average latencyKnown for one5.5 msUnknown — not stated by the source
Poweridentical
Operating voltageKnown for oneUnknown — not stated by the source5 / 12 V
Operational conditions1 differ
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 shockDiffers1000 G63 G
Weight & dimensions1 differ
WidthKnown for oneUnknown — not stated by the source101.6 mm
DepthKnown for oneUnknown — not stated by the source147 mm
HeightKnown for oneUnknown — not stated by the source26.1 mm
WeightDiffers102 g690 g
Other featuresidentical
Drive device, transfer rateKnown for oneUnknown — not stated by the source100 MB/s
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mmUnknown — not stated by the source
Compatible operating systemsKnown for oneMicrosoft Windows 2000 Windows XP Windows VistaUnknown — not stated by the source
Data transfer rateKnown for one1.5 Gbit/sUnknown — not stated by the source
Mac compatibilityKnown for oneNoUnknown — not stated by the source
Maximum data transfer rateKnown for one665 Mbit/sUnknown — not stated by the source
CertificationKnown for oneCE, UL, MIC, TUV, BSMI, C-Tick, CUL, RoHSUnknown — not stated by the source

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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