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Product comparison · 2 internal hard drives

Fujitsu 120GB mobile hard disk drive vs Seagate 500GB SATA II HDD, 20Pk

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  • 20specifications compared
  • 17differ
  • 3identical
  • 19known for one product only

Key differences

The Seagate 500GB SATA II HDD, 20Pk has 380 GB more HDD capacity than the Fujitsu 120GB mobile hard disk drive (500 GB vs 120 GB). The Seagate 500GB SATA II HDD, 20Pk has 3,000 RPM more HDD speed than the Fujitsu 120GB mobile hard disk drive (7200 RPM vs 4200 RPM). The Seagate 500GB SATA II HDD, 20Pk has 1" more HDD size than the Fujitsu 120GB mobile hard disk drive (3.5" vs 2.5"). Interface: Ultra-ATA/133 on the Fujitsu 120GB mobile hard disk drive, Serial ATA II on the Seagate 500GB SATA II HDD, 20Pk. Operating voltage: 5 V on the Fujitsu 120GB mobile hard disk drive, 5 / 12 V on the Seagate 500GB SATA II HDD, 20Pk.

  • HDD capacity
    • 120 GB
    • 500 GB
  • HDD speed
    • 4200 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Ultra-ATA/133
    • Serial ATA II
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Read seek time
    • 12 ms
    • 17 ms
  • Track to track seek time
    • 1.5 ms
    • 1 ms
  • Operating voltage
    • 5 V
    • 5 / 12 V

Side by side

Differences highlightedShow differences only
39 specifications
A

Fujitsu

120GB mobile hard disk driveView product
B

Seagate

500GB SATA II HDD, 20PkView product
Features7 differ
HDD capacityDiffers120 GB500 GB
HDD speedDiffers4200 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/133Serial ATA II
Storage drive buffer sizeDiffers8 MB16 MB
Read seek timeDiffers12 ms17 ms
Write seek time14 ms14 ms
Track to track seek timeDiffers1.5 ms1 ms
Average seek timeKnown for one22 ms
Average latencyKnown for one7.14 ms
Bytes per sector512512
Mean time between failures (MTBF)Known for one300000 h
Component forKnown for oneSurveillance system
Start/stop cyclesKnown for one50000
Power1 differ
Power consumption (standby)Known for one0.8 W
Power consumption (off)Known for one0.1 W
Operating voltageDiffers5 V5 / 12 V
Operational conditions5 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Storage temperature (T-T)Differs-40 - 65 °C-40 - 70 °C
Operating relative humidity (H-H)Differs8 - 90%5 - 90%
Operating altitudeKnown for one-300 - 3000 m
Non-operating altitudeKnown for one-300 - 12000 m
Operating shockDiffers300 G63 G
Non-operating shockDiffers900 G300 G
Storage relative humidity (H-H)Known for one5 - 95%
Weight & dimensions4 differ
WidthDiffers70 mm101.6 mm
DepthDiffers100 mm147 mm
HeightDiffers9.5 mm26.1 mm
WeightDiffers99 g635 g
Other featuresidentical
Dimensions (WxDxH)Known for one70 x 100 x 9.5 mm
Drive device, transfer rateKnown for one100 MB/s
InternalYesYes
Supported data transfer ratesKnown for one16.6 MB/s (DMA 2, PIO 4); 33.3 MB/s (UDMA 2); 66.6 MB/s (UDMA 4)
Acoustic pressure emissionsKnown for one28 dB
Power requirementsKnown for one+5V; +12V
Data transfer rateKnown for one3 Gbit/s
Drive ready timeKnown for one9 s
Drive devices burst data transfer rate (PIO)Known for one0-4
Drive devices burst data transfer rate (Ultra DMA)Known for one0-6

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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