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Product comparison · 2 internal hard drives

Fujitsu HD SATA 120GB 5.4k 2.5'' vs Seagate 640GB 3.5'' SATA II

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  • 6specifications compared
  • 5differ
  • 1identical
  • 13known for one product only

Key differences

The Seagate 640GB 3.5'' SATA II has 520 GB more HDD capacity than the Fujitsu HD SATA 120GB 5.4k 2.5'' (640 GB vs 120 GB). The Seagate 640GB 3.5'' SATA II has 1,800 RPM more HDD speed than the Fujitsu HD SATA 120GB 5.4k 2.5'' (7200 RPM vs 5400 RPM). The Seagate 640GB 3.5'' SATA II has 1" more HDD size than the Fujitsu HD SATA 120GB 5.4k 2.5'' (3.5" vs 2.5"). Interface: Serial ATA on the Fujitsu HD SATA 120GB 5.4k 2.5'', Serial ATA II on the Seagate 640GB 3.5'' SATA II. Operating voltage: 5 V on the Fujitsu HD SATA 120GB 5.4k 2.5'', 5 / 12 V on the Seagate 640GB 3.5'' SATA II.

  • HDD capacity
    • 120 GB
    • 640 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Serial ATA
    • Serial ATA II
  • Operating voltage
    • 5 V
    • 5 / 12 V

Side by side

Differences highlightedShow differences only
19 specifications
A

Fujitsu

HD SATA 120GB 5.4k 2.5''View product
B

Seagate

640GB 3.5'' SATA IIView product
Features4 differ
HDD capacityDiffers120 GB640 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSerial ATASerial ATA II
TypeKnown for oneHDD
Storage drive buffer sizeKnown for one32 MB
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Known for one750000 h
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one380 g
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
InternalYesYes
Product colourKnown for oneSilver
Hot-Plug supportKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 35 °C
Operating relative humidity (H-H)Known for one8 - 80%

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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