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Product comparison · 2 internal hard drives

Fujitsu 120GB, 2.5", 7200rpm vs Seagate 750GB HDD

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  • 16specifications compared
  • 12differ
  • 4identical
  • 18known for one product only

Key differences

The Seagate 750GB HDD has 630 GB more HDD capacity than the Fujitsu 120GB, 2.5", 7200rpm (750 GB vs 120 GB). The Seagate 750GB HDD has 8 MB more storage drive buffer size than the Fujitsu 120GB, 2.5", 7200rpm (16 MB vs 8 MB). The Fujitsu 120GB, 2.5", 7200rpm has 2 ms more read seek time than the Seagate 750GB HDD (10.5 ms vs 8.5 ms). Interface: Serial ATA on the Fujitsu 120GB, 2.5", 7200rpm, SAS on the Seagate 750GB HDD. Storage temperature (T-T): -40 - 65 °C on the Fujitsu 120GB, 2.5", 7200rpm, -40 - 70 °C on the Seagate 750GB HDD.

  • HDD capacity
    • 120 GB
    • 750 GB
  • Interface
    • Serial ATA
    • SAS
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Read seek time
    • 10.5 ms
    • 8.5 ms
  • Write seek time
    • 12.5 ms
    • 9.5 ms
  • Average latency
    • 4.17 ms
    • 4.16 ms
  • Storage temperature (T-T)
    • -40 - 65 °C
    • -40 - 70 °C
  • Non-operating shock
    • 900 G
    • 300 G

Side by side

Differences highlightedShow differences only
34 specifications
A

Fujitsu

120GB, 2.5", 7200rpmView product
B

Seagate

750GB HDDView product
Features6 differ
HDD capacityDiffers120 GB750 GB
HDD speed7200 RPM7200 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersSerial ATASAS
TypeHDDHDD
Storage drive buffer sizeDiffers8 MB16 MB
Read seek timeDiffers10.5 ms8.5 ms
Write seek timeDiffers12.5 ms9.5 ms
Track to track seek timeKnown for one1.5 ms
Average latencyDiffers4.17 ms4.16 ms
Bytes per sector512512
Component forKnown for oneServer/workstation
Mean time between failures (MTBF)Known for one1200000 h
Poweridentical
Power consumption (standby)Known for one0.13 W
Operating voltageKnown for one5 V
Power consumption (typical)Known for one12.5 W
Power consumption (idle)Known for one9 W
Start-up currentKnown for one3 A
Operational conditions2 differ
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Storage temperature (T-T)Differs-40 - 65 °C-40 - 70 °C
Operating relative humidity (H-H)Known for one8 - 90%
Operating vibrationKnown for one9.8 G
Non-operating vibrationKnown for one49 G
Operating altitudeKnown for one-300 - 3000 m
Non-operating altitudeKnown for one-300 - 12000 m
Non-operating shockDiffers900 G300 G
Operating shockKnown for one63 G
Weight & dimensions4 differ
WidthDiffers69.8 mm101.6 mm
DepthDiffers100 mm147 mm
HeightDiffers9.5 mm26.1 mm
WeightDiffers116 g633 g
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
InternalKnown for oneYes
Acoustic pressure emissionsKnown for one0.27 dB

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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