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Product comparison · 2 internal hard drives

Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive vs Seagate 7200.12 SATA 250GB

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  • 12specifications compared
  • 10differ
  • 2identical
  • 27known for one product only

Key differences

The Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive has 70 GB more HDD capacity than the Seagate 7200.12 SATA 250GB (320 GB vs 250 GB). The Seagate 7200.12 SATA 250GB has 1" more HDD size than the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive (3.5" vs 2.5"). The Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive has 9.5 ms more track to track seek time than the Seagate 7200.12 SATA 250GB (10.5 ms vs 1 ms). Operating voltage: 5 V on the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive, 5 / 12 V on the Seagate 7200.12 SATA 250GB. Operating temperature (T-T): 10 - 40 °C on the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive, 0 - 60 °C on the Seagate 7200.12 SATA 250GB.

  • HDD capacity
    • 320 GB
    • 250 GB
  • HDD size
    • 2.5"
    • 3.5"
  • Track to track seek time
    • 10.5 ms
    • 1 ms
  • Average latency
    • 4.2 ms
    • 4.16 ms
  • Operating voltage
    • 5 V
    • 5 / 12 V
  • Operating temperature (T-T)
    • 10 - 40 °C
    • 0 - 60 °C
  • Operating relative humidity (H-H)
    • 20 - 80%
    • 5 - 95%
  • Width
    • 69.8 mm
    • 101.6 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

Lenovo

ThinkPad 320GB 7200 rpm Serial ATA Hard DriveView product
B

Seagate

7200.12 SATA 250GBView product
Features4 differ
HDD capacityDiffers320 GB250 GB
HDD sizeDiffers2.5"3.5"
TypeKnown for oneHDD
Storage drive buffer sizeKnown for one8 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one1
Read seek timeKnown for one8.5 ms
Write seek timeKnown for one9.5 ms
Track to track seek timeDiffers10.5 ms1 ms
Average latencyDiffers4.2 ms4.16 ms
Bytes per sectorKnown for one512
Power1 differ
Power consumption (idle)Known for one5 W
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for one2 A
Operational conditions2 differ
Operating temperature (T-T)Differs10 - 40 °C0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Differs20 - 80%5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockKnown for one70 G
Non-operating shockKnown for one350 G
Weight & dimensions3 differ
WidthDiffers69.8 mm101.6 mm
DepthDiffers100.2 mm147 mm
HeightDiffers9.5 mm20 mm
WeightKnown for one415 g
Other featuresidentical
Data transfer rateKnown for one1.695 Gbit/s
Disks included quantityKnown for one1 pc(s)
Drive device, transfer rateKnown for one300 MB/s
Plug and PlayKnown for oneYes
Recording densityKnown for one1413 kbit/inch
Track densityKnown for one236
Sustained data rateKnown for one125 MB/s
HDD transfer rateKnown for one118.4 Mbit/s
Compatible operating systemsKnown for oneMicrosoft Windows Vista / XP
InternalKnown for oneYes
CertificationKnown for oneCE, CSA, UL, TUV, C-Tick, BSMI

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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