Product comparison · 2 internal hard drives

Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH vs Seagate ATLAS 10K III 18GB U320

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  • 12specifications compared
  • 10differ
  • 2identical
  • 6known for one product only

Key differences

The Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH has 22 GB more HDD capacity than the Seagate ATLAS 10K III 18GB U320 (40 GB vs 18 GB). The Seagate ATLAS 10K III 18GB U320 has 5,800 RPM more HDD speed than the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH (10000 RPM vs 4200 RPM). The Seagate ATLAS 10K III 18GB U320 has 1" more HDD size than the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH, SCSI on the Seagate ATLAS 10K III 18GB U320. Operating voltage: 5 V on the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH, 5 / 12 V on the Seagate ATLAS 10K III 18GB U320.

  • HDD capacity
    • HDD 40 GB AT 2 5"" (FUJITSU MH:40 GB
    • ATLAS 10K III 18GB U320:18 GB
  • HDD speed
    • HDD 40 GB AT 2 5"" (FUJITSU MH:4200 RPM
    • ATLAS 10K III 18GB U320:10000 RPM
  • HDD size
    • HDD 40 GB AT 2 5"" (FUJITSU MH:2.5"
    • ATLAS 10K III 18GB U320:3.5"
  • Interface
    • HDD 40 GB AT 2 5"" (FUJITSU MH:Ultra-ATA/100
    • ATLAS 10K III 18GB U320:SCSI
  • Storage drive buffer size
    • HDD 40 GB AT 2 5"" (FUJITSU MH:2 MB
    • ATLAS 10K III 18GB U320:8 MB
  • Track to track seek time
    • HDD 40 GB AT 2 5"" (FUJITSU MH:1.5 ms
    • ATLAS 10K III 18GB U320:0.3 ms
  • Average seek time
    • HDD 40 GB AT 2 5"" (FUJITSU MH:12 ms
    • ATLAS 10K III 18GB U320:4.5 ms
  • Operating voltage
    • HDD 40 GB AT 2 5"" (FUJITSU MH:5 V
    • ATLAS 10K III 18GB U320:5 / 12 V

Side by side

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Comparison of HDD 40 GB AT 2 5"" (FUJITSU MH, ATLAS 10K III 18GB U320
18 specifications
Features7 differ
HDD capacityDiffers40 GB18 GB
HDD speedDiffers4200 RPM10000 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/100SCSI
Storage drive buffer sizeDiffers2 MB8 MB
HDD number of cylindersKnown for one47.104Unknown — not stated by the source
Track to track seek timeDiffers1.5 ms0.3 ms
Average seek timeDiffers12 ms4.5 ms
Average latencyKnown for one7.14 msUnknown — not stated by the source
HDD number of headsKnown for oneUnknown — not stated by the source2
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Weight & dimensions1 differ
WeightDiffers98 g700 g
Other features1 differ
Power requirementsKnown for one5V ± 0.5%Unknown — not stated by the source
Dimensions (WxDxH)Differs70 x 100 x 9.5 mm101.6 x 147 x 26.1 mm
InternalYesYes
HDD transfer rateKnown for oneUnknown — not stated by the source320 Mbit/s
Sustained data rateKnown for oneUnknown — not stated by the source55 MB/s

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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