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Product comparison · 2 internal hard drives

Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive vs Seagate Barracuda 7200.11 SATA 3Gb/s 750-GB HD 20pk

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  • 11specifications compared
  • 9differ
  • 2identical
  • 16known for one product only

Key differences

The Seagate Barracuda 7200.11 SATA 3Gb/s 750-GB HD 20pk has 500 GB more HDD capacity than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (750 GB vs 250 GB). The Seagate Barracuda 7200.11 SATA 3Gb/s 750-GB HD 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 Barracuda 7200.11 SATA 3Gb/s 750-GB HD 20pk has 2 more HDD heads than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (6 vs 4). Interface: Serial ATA on the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive, Serial ATA II on the Seagate Barracuda 7200.11 SATA 3Gb/s 750-GB HD 20pk.

  • HDD capacity
    • 250 GB
    • 750 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • Interface
    • Serial ATA
    • Serial ATA II
  • HDD number of heads
    • 4
    • 6
  • Average latency
    • 5.5 ms
    • 4.16 ms
  • Operating shock
    • 1000 G
    • 63 G
  • Non-operating shock
    • 350 G
    • 300 G
  • Weight
    • 102 g
    • 640 g

Side by side

Differences highlightedShow differences only
27 specifications
A

Lenovo

ThinkPad 250GB 5400rpm Serial ATA Hard driveView product
B

Seagate

Barracuda 7200.11 SATA 3Gb/s 750-GB HD 20pkView product
Features5 differ
HDD capacityDiffers250 GB750 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one3.5"
InterfaceDiffersSerial ATASerial ATA II
Storage drive buffer sizeKnown for one32 MB
HDD number of headsDiffers46
Average latencyDiffers5.5 ms4.16 ms
Start/stop cyclesKnown for one50000
Read seek timeKnown for one11 ms
Write seek timeKnown for one13 ms
Poweridentical
Operating voltageKnown for one5 / 12 V
Operational conditions2 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 shockDiffers350 G300 G
Weight & dimensions1 differ
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightDiffers102 g640 g
Other features1 differ
Data transfer rateDiffers1.5 Gbit/s3 Gbit/s
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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