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Product comparison · 2 internal hard drives

Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive vs Seagate SV35 Series 500 GB SATA 3Gb/s 20pk

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  • 11specifications compared
  • 8differ
  • 3identical
  • 18known for one product only

Key differences

The Seagate SV35 Series 500 GB SATA 3Gb/s 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 SATA 3Gb/s 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 SATA 3Gb/s 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 SATA 3Gb/s 20pk.

  • HDD capacity
    • 250 GB
    • 500 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • Interface
    • Serial ATA
    • Serial ATA II
  • Read seek time
    • 11 ms
    • 17 ms
  • Write seek time
    • 13 ms
    • 14 ms
  • Operating shock
    • 1000 G
    • 63 G
  • Weight
    • 102 g
    • 690 g
  • Data transfer rate
    • 1.5 Gbit/s
    • 3 Gbit/s

Side by side

Differences highlightedShow differences only
29 specifications
A

Lenovo

ThinkPad 250GB 5400rpm Serial ATA Hard driveView product
B

Seagate

SV35 Series 500 GB SATA 3Gb/s 20pkView product
Features5 differ
HDD capacityDiffers250 GB500 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one3.5"
InterfaceDiffersSerial ATASerial ATA II
Component forKnown for oneSurveillance system
Storage drive buffer sizeKnown for one16 MB
Read seek timeDiffers11 ms17 ms
Write seek timeDiffers13 ms14 ms
Track to track seek timeKnown for one0.8 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
HDD number of headsKnown for one4
Average latencyKnown for one5.5 ms
Poweridentical
Operating voltageKnown for one5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating shockDiffers1000 G63 G
Non-operating shock350 G350 G
Weight & dimensions1 differ
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightDiffers102 g690 g
Other features1 differ
Data transfer rateDiffers1.5 Gbit/s3 Gbit/s
InternalYesYes
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
Compatible operating systemsKnown for oneMicrosoft Windows 2000 Windows XP Windows Vista
Mac compatibilityKnown for oneNo
Maximum data transfer rateKnown for one665 Mbit/s
CertificationKnown for oneCE, UL, MIC, TUV, BSMI, C-Tick, CUL, RoHS

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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